Service Manual
Sartorius Combics 1 | Combics 2
Models CW1P | CW2P | CW1S | CW2S
for Complete Combics Scales,
Models CIS1 | CIS2 | CISL1 | CISL2
for Combics Indicators
and
Models CAPP1 | CAPS1 | CAPXS1
CAPP4 | CAPS4| CAPXS4
for Combics Weighing Platforms
including Service Specifications
WCI5001-e04106
Contents
Overview
General Information
Service Concept
04
General Information
05
Overview of the Models
05
Auxiliary Service Tools and Equipment
06 Accompanying Literature
Operating Concept
07 Keys below the Display
08 Preconfigurations
08
Purpose, Features
10 Function of the Keys when Configuring the Menu
10 Printing the Parameter Settings
11 Description of the Equipment
Function of the Service Keys and Switches
12
A. Menu Access Switch
12
B. SBI/BPI Key
13
Activating the BPI Mode
13
C. Boot Key
14
Activating the xBPI Protocol
Activating the Service Mode
15 Activating the Service Mode
Working in the Service Mode
17 Additional Menus in Service Mode
20 Menu Item 1-18:
Entering Calibration/Linearization Weights
20
04
21
22
23
24
25
25
28
28
31
32
34
37
38
38
44
2
1-18-1:
External User-defined Calibration
Weight (Service Mode not Required)
1-18-2
1. Entering 1st Linearization Weight
Calibration/Adjustment Routines in Service Mode (General
Information)
Valid areas for Use
Zone “D”
Menu Line 1-9: Calibration/Adjustment Functions
1-9-1 External Calibration/Adjustment with Default
Weights
1-9-5 Internal Linearization (Only for WP2 on COM1
or UniCOM Ports)
1-9-7 External Linearization with User-defined
Weights
1-9-8 Setting the Preload
1-9-9 Clearing the Preload
Adjustment without Weights
Menu Item 1-19:
Entering the Specifications of the Load Cell(s)
Menu Item 1-20: Entering the Geographical Latitude and
Altitude, or the Acceleration of Earth Gravity
Entering the Place of Adjustment with Subsequent
Adjustment (Example)
Menu Item 1-13: Zero at On
Configuring the A/D Converter of the Combics Indicator
(Service Mode)
Menu Item 11: A/D Converter Settings (Configuration:
Standard, Trade)
45
A/D Converter Configuration (General Information)
45
Notes on A/D Converter Configuration
46
Descriptions of the Individual Menu Items
47 Selecting the Weighing Range Structure
(Menu Item 11-3)
55 Menu Item 9-1: A/D Converter Configuration (Example:
Trade Configuration)
56 Menu Item 9-1: A/D Converter Configuration with Load
Cell(s) Connected
(Example: Standard Configuration)
60 Menu Item 1-19: Entering the Specifications of the Load
Cell(s)
62 Entering the Date of Service
63 Entering the Serial Number of the Complete Combics
Scale (or Indicator)
65 Entering the Model Designation of the Complete Combics
Scale (or Indicator)
66 Defining Transaction Numbers for Data Records (Weight
Values) which were stored in the Alibi Memory
Repairing the Combics Indicator
67 Replacing the Front Panel
68 Blank Display
68 Replacing the Power Cord
69 Replacing the Power PCB
70 Replacing the DC/DC Converter
71 Replacing the A/D Converter
71 Quick-test of the A/D Converter
72 Replacing the Digital PCB
73 Checking the IP67 Protection
73 Torque Values for Cable Glands and Vent Valve
Adjusting the Weighing Platform
Adjusting the Off-center Load
Diagram: Determining the Adjustment Resistance
Off-center Load Adjustment: 0-ohm Resistors (Example)
Setting the Overload Stops
77 1. Weighing Platforms with 1 Load Cell: Steel
78 2. Weighing Platforms with 1 Load Cell: Stainless Steel
79 3. Weighing Platforms with 4 Load Cells: Steel
80 4. Weighing Platforms with 4 Load Cells: Stainless Steel
Repairing the Weighing Platforms
81 Replacing the Connecting Cable
82 Replacing Load Cells
83 Torque Values
84 Pin Assignments in the Junction Box
85 Replacing the Load Cell Foot
85 Color Codes of the Wiring for Weighing Platforms, Models
CAPS..
86 Error Codes
89-94 Service Specifications
95-96 Type Designation
97 When to Use Which Procedure
98 CAPXS... Explosio-Prodected Models
98 What Is Different in Comparison to Other EX Models
Adjusting the Weighing Platform
100 Version with the junction box
101/103
Junction Box
104
Adjusting the Off-center Load
105/109
Determining Resistance Values
74
75
76
3
Overview
Service Concept
Prerequisites for performing maintenance and repair work on Sartorius Combics
scales requires considerable experience with both indicators and weighing platforms.
In case of defects, repairs are performed on site. Generally, the equipment is not
replaced.
General Information
– Do not connect or disconnect cables to or from the equipment; always disconnect the
power cable from the wall socket (mains supply) first!
– To ensure safety, an isolating transformer must be installed between the indicator and
the power supply before performing work that entails opening the Combics indicator
housing.
On complete Combics scales, check and adjust as necessary:
(The procedure is the same as for all scale and weighing platform models.)
– Repeatability (standard deviation)
– Off-center load
– Span
– Linearity
4
Overview of the Models
The hardware configuration consists of either a Combics 1 or 2 indicator and
Sartorius weighing platform(s), or a Combics 1 or 2 indicator and weighing
platform(s) (strain-gauge load cells) from another manufacturer.
Important:
Mechanical and electrical service or repair work on the complete Combics scale
requires considerable experience, and for this reason should be performed only
by Sartorius technicians trained at the factory. Any attempt to perform repair
work can result in damage to the equipment.
Auxiliary Service Tools and Equipment
In addition to standard tools, you will need the following special tools to work on
the complete Combics scale:
Qty. Designation
Order No.
1
1
6740-33
1
1
1
1
1
1
Laptop
Sartocas service software,
version 1.46 or later
or
Psion Server, complete,
version 4.10 or later
PPLoader software
Isolating transformer
Flintec LCT-01 load cell tester
Socket wrench, double hexagon, 10-32 mm,
“ square driver
Adapter for Allen screws, SW 5 - 17, ” square driver
5
Qty. Designation
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
Order No.
Torque wrench, 10-120 Nm 14x18, stainless steel
Torque wrench, 60-320 Nm 14x18, stainless steel
Set of open-ended wrenches with sockets
Set of sockets, up to 30 mm (hexagonal, stainless steel)
Transport belt (to move load plates or weighing
platforms; available from specialist suppliers)
Ring lugs (stainless steel; for moving the load plates or
weighing platforms; available from specialist suppliers)
Set open-ended wrenches (spanners) (up to 24 mm, stainless steel)
Threaded rod, M 16x120, for lifting the weighing platform
(available from specialist supplier)
Testing device for checking IP66/67 protection (not yet defined)
Set of screwdrivers (slotted)
Set of screwdrivers (Phillips head )
Set of Allen wrenches
Digital voltmeter (Beckman)
6738-62
Strain gauge simulator
6740-74
RS-232/485 converter
6740-68
Accompanying Literature
Operating instructions for “Complete Combics 1 | 2 Scales“
WCW6001-e02073
Operating instructions for “Combics 1 | 2 Indicators“
WCI6001-e02052
Operating instructions for “Painted or Stainless Steel Weighing Platforms“ WCA6001-e03053
6
98648-010-90
98648-010-85
98648-010-67
Operating Concept
Combics 1
0
T
Fn
combics1_bedienfeld.eps
Keys below the Display
e On/off
Turns the Combics on and off.
Combics switched off displays
“off“.
n Toggle the display between
the weighing platforms (Combics
2 only)
With two weighing platforms
connected, this key toggles the
display between the two readouts.
( During weighing:
Zero the scale
In the operating menu:
Closes active submenu and
returns to next higher menu
level and menu level (unless the
first menu level is already shown)
During alphanumeric input
in the operating menu:
– Press briefly:
Activate character to the left
of the currently active character
(with the first character active:
Exit the input mode without
saving changes)
– Press and hold (> 2 sec ):
Exit the input mode without
saving changes
) During weighing:
– Press briefly:
Tare the scale
– Press and hold (> 2 sec ):
Calibration/adjustment
In the operating menu:
– Press briefly:
Display the next lower menu level
or
Select and store a menu item
– Press and hold (> 2 sec ):
Exit the operating menu
During alphanumeric input in the
operating menu:
– Press briefly:
Activate character/s to the right
of the currently active character ®
(after the last character: store
input)
– Press and hold (> 2 sec ):
Store current input and display
the menu item
k During weighing:
Toggle (depends on operating
menu settings) between:
– first and second weight unit or
– gross and net or
– normal and 10-fold increased
display resolution
In the operating menu:
Show the next item on the same
menu level (scroll through values
in series)
7
During alphanumeric input
in the operating menu:
– Cursor in first position, no
characters entered yet: Delete
entire string and enter “0“
– Change the displayed character;
scroll forward (sequence:
0 through 9, decimal point,
minus sign, Z through A, space)
p During weighing:
– Press briefly:
Print
– Press and hold (> 2 sec ):
Print GMP footer
In the operating menu:
Print the menu settings starting
from the current position; or
print Info data
During alphanumeric input in the
operating menu:
– Cursor in first position, no
characters entered yet: Delete
entire string and enter a space
8
– Change the displayed character;
scroll backwards ÿ (sequence:
Space, A through Z, minus sign,
decimal point, 9 through 0)
Note:
The sequence in which keys are pressed
in the following descriptions (“Key
sequence:“) are given as examples
only. Other sequences are possible.
Combics 2
CF
-
REF
OK
n
0
T
Fn
combics2_bedienfeld.eps
Configuring the Combics
Purpose
You can configure the Combics to
meet individual requirements by
entering user data and setting
selected parameters in the operating
menu. The operating menu is a
combination of text levels and
numeric codes.
Features
The operating menu parameters are
divided into the following categories
1. Text-menu level
–
Application programs »APPL«
–
Key assignments k »fn-key«
–
Device parameters »setup«
–
Device information »InFo«
–
Language for calibration and
adjustment printouts »LAnG«
You can display, enter or change the
following parameters:
–
Application programs »APPL«
In addition to basic weighing
functions, you can use the
Combics 2 to calculate and
display weighing data as follows:
–
Counting
–
Neutral measurement
–
Averaging (animal weighing)
–
Checkweighing
–
Classification
–
Weighing in percent
–
Net-total formulation
–
Totalizing
–
–
–
–
–
–
–
–
–
Function: Key assignment for k
»fn-key«
Gross/net toggling
»gro net«
Show second weight unit
»2. unit«
10-fold higher resolution
»Res 10«
Device parameters »setup«
Device configuration, i.e.,
to meet individual requirements
by selecting predefined menu
parameters in the operating
menu. The device parameters
are combined in the following
groups :
Weighing platform »wp1«
Interfaces (COM1 and optional
UniCOM)
Digital control line »ctrl in«
Bar code scanner »barcode«
Printer protocols »prtport«
–
–
–
–
Extra Functions: Utilities
»utilit«.
Timer »time«
Date »date«
Set user password »code«
–
Display device information
»info« (serial number, etc.)
–
Language for calibration and
adjustment records »lang«.
Select the language.
The rest of the menu
is language-independent.
9
Functions of the Keys when
Configuring the Menu
Open the operating menu:
Turn the Combics off and on
again by pressing e; while all
segments are displayed, press the
) key briefly.
Navigating in the operating
menu:
–
–
–
–
–
–
–
–
–
–
–
10
Scroll :
Press the k key
To the left ¬: Press (
Change and store setting:
Press the ) key
Exit the operating menu:
Press and hold the ) key (> 2
sec)
During alphanumeric input in the
operating menu:
–
–
Scroll upwards (0, 1, 2, 3, etc.):
Press the k key
Scroll downwards ¬ (A, B, C, etc.):
Press the p key
Next position: Press the ) key
Previous position: Press the (
key
Exit input mode without saving
changes; with cursor in first
position: Press the ( key
Exit the input mode without
saving changes:
Press and hold the ( key
(> 2 sec)
To confirm your input: Press the
) key with the cursor 1 space
beyond the last position; or press
and hold (> 2 sec)
Confirm currently active
character and move 1 position
to the right:
Press the ) key
Move cursor 1 position to the left
Press the ( key
Printing the Parameter Settings
Generate a printout of the settings on
the current menu level:
Press the p key
>
Printout (example)
The maximum width of this
printout is 20 characters.
-------------------MENU
SETUP
WP1
-------------------1
1.1
1.1.2
1.2.1
...
1.18
1.18.1
CAL.
10.000 kg
etc.
Description of the Equipment
The complete Combics scales from Sartorius are primarily used in industry. Because there are a number of hardware
configurations to choose from, Combics models are constructed according to customer requirements.
The complete Combics scale consists of:
– A choice of weighing platforms with capacities from 3 kg to 3000 kg (in stainless steel or steel) and indicators
The Combics 1 / 2 indicators consist of:
– Front panel with keypad and
digital display (Combics 2 has
additional keys and LEDs)
Digital PCB with application
processor, memory, RS-232 interfaces
Combics 2
CF
REF
OK
Analog/digital converter
T
combics_15_klemmen.eps
O
combics_02.eps
– Combics indicators
are equipped with either cable
glands or D-Sub 25
connectors.
Note:
Power PCB
DC/DC converter
(Combics2 has a clock chip)
Additional electronic subassemblies are optional.
11
Function of the Service Keys and Switches
A. Menu Access Switch
A
This switch must be open to work with the service software or configure the A/
D converter (e. g., “Trade” configuration). If the menu access switch is closed,
the error message “ACCESS SWITCH LOCKED” is displayed in the service program
and the indicator shows “L” (underload) or “H” (overload). In this case, the A/D
converter cannot be configured. If adjustment is necessary (span, linearity), the
“± 2%” window is active.
B. SBI/BPI Key
geschlossen
geöffnet
verriegelungs_schalter.eps
To use the Sartocas program (v 1.46 or later) or Psion server (v 4.10 or later).
the Combics indicator must be in BPI (binary processor interface) mode (for
example, to load a modified data record from the A/D converter into its
controller). This setting is valid for the COM1 port.
Note:
B
sbi_bpi_taster.jpg
12
To perform adjustment only with the service software, the COM1
interface is set to the xBPI (eXtended Binary Processor Interface) protocol
and the laptop or Psion server connected to that port.
Activating the BPI Mode
– Turn on the Combics.
– In weighing mode, press and hold the SBI/BPI key for approx.
5 seconds (the weight readout goes blank).
– Release the switch.
– Turn the Combics off and then on again.
– The Combics is now in BPI mode.
Important:
Peripheral devices that communicate over the SBI (Sartorius Balance Interface)
protocol cannot be operated while the Combics is in BPI mode.
If you press the p key, only InF 30 is displayed.
To return the indicator to the SBI mode, either use the “Close” function in the
Sartocas service software or a Psion server (and then turn the Combics off and
back on again), or select the Menu Reset option (9 - 1 - 1) in the Combics
operating menu.
C. Boot Key
C
boot_taster.jpg
Activate this switch only if an attempt to program the application memory with
the PPLoader program fails (programming routine stops responding).
Procedure for making the PCB bootable:
– Disconnect the Combics from the main power.
– Press and hold the boot switch (approx. 3 sec.) while reconnecting the Combics
to power.
– Release the switch. After a brief period, the PCB is bootable again
(load application software again with the PPLoader program).
13
Activating the xBPI Protocol
Activate the xBPI protocol to perform adjustment with the service software
Sartocas software or Psion server without activating the BPI mode
through the SBI/BPI key.
Note:
This menu item is accessible in the standard menu.
– Via Setup select the Device parameters menu item (for the COM1 port).
– Open the Device parameters menu and scroll down to the Interface
submenu.
– Open the Interface submenu and activate the xBPI menu item.
display_xbpi.eps
Note:
14
Under xBPI a submenu is opened for assigning addresses, but this function is only
available when using xBPI with RS-485.
Activating the Service Mode
Activating the Service Mode
– Turn off the Combics (key: e).
– Turn on the Combics (key: e) and briefly press the ) key while all segments
are displayed.
display.eps
The display shows APPL.
appl.eps
– Press the k key to scroll to the Setup item.
setup.eps
– Press the ) key; WP-1 is displayed.
display_wp1.eps
– Press the k key to scroll to the CodE item.
code.eps
15
– Press the ) key; the display shows only a flashing cursor.
d_vore12.eps
– Press k to select “2” and then press ) to confirm; the cursor jumps to the
second position; now you can enter the next number. Repeat this procedure
with the appropriate numbers to enter the service password (202122).
202122.eps
If you find that one of the numbers is wrong, press ( to go back to that digit
and change it; then press the ) key repeatedly to return to the sixth digit
(the 2 flashes).
Note:
code_s.eps
– After entering the last digit, press ) (< 2 sec.) and ( ( (in that order)
to activate the service mode. Setup appears in the display.
A “S” in the upper right-hand corner of the display indicates that the service
mode is active.
To cancel the password input process before it is finished, press ( repeatedly
until CodE is displayed.
Note:
Important:
16
The service mode can be deactivated only by turning the off the Combics indicator.
When the service mode is active (password 202122), you can only view the
customer password. The customer password can be deleted only by entering
the general password (40414243) or the customers password.
Working in the Service Mode
Note: When performing maintenance on an existing system, the service mode must be activated to perform
linearization, to set or clear the preload, and to enter the date of service.
Additional Menus in Service Mode
In the Text Menu (“Setup”)
Under the “Date” (DATE) and “Password” (CodE) menu items:
– Date of service S-DATE
– Memory number MEM-NO
– Indicator serial number SER-NO
– Model designation ModEL
In the numeric menu: The Setup menu for WP1 (WP-1) and the COM1 (COM1) and UniCOM (UNICOM) ports is
extended by the following items for configuring weighing platforms WP1 (WP-1) and WP2 (WP-2):
1-9
Calibration/adjustment functions:
1-9-1: Ext. calibration/adjustment with default weight
(service mode not required)
1-9-3: Ext. calibration/adjustment with user-defined weight
(service mode not required)
1-9-5: Internal linearization (only for WP2 on COM1 and UniCOM ports)
1-9-7: External linearization with user-defined weights
1-9-8: Set preload
1-9-9: Clear preload
1-9-10: Key blocked (service mode not required)
IF „calibration“ first, after that „span adjustment“ is configured in the menu (1.10.2), carry on to put necessary
weights onto the load plate even if the difference to the last span adjustment (calibration function) is already
displayed. When all weights are loaded, press the „tare“ button to start the adjustment function.
17
Note: After necessary adjustments, install the suitable
adjustment routine for the customer.
1-20
1-18
1-18-1:
1-18-2:
1-18-3:
1-18-4:
1-18-5:
Enter the calibration and linearization weights
Enter adjustment weight
Enter linearization weight 1
Enter linearization weight 2
Enter linearization weight 3
Enter linearization weight 4
1-20-1:
1-20-2:
1-20-3:
1-20-4:
1-19
Calibration without weights (by entering the
specifications of the load cell(s)):
Nominal load
Resolution
Sensitivity in mV/V for cell 1 (or mean derived
from all load cells)
Sensitivity in mV/V for cell 2
Sensitivity in mV/V for cell 3
Sensitivity in mV/V for cell 4
When multiple cells are connected, either the
individual values are entered under items
1-19-3 to 1-19-6, or the mean derived from all
load cells is entered under 1-19-3.
Store values entered for 1-19
1-19-1:
1-19-2:
1-19-3:
1-19-4:
1-19-5:
1-19-6:
1-19-7:
18
Place of adjustment (geographical latitude
and altitude or, alternatively, the acceleration
of gravity at the place of installation):
Latitude in degrees
Altitude in meters above sea level
Acceleration of gravity
Store values entered for 1-20
8-12
Geographical data is displayed before every
span adjustment
9-1
9-1-3:
9-1-4:
9-1-10:
Restore factory settings / Reset menu
Load “Standard” configuration
Load “Trade” configuration
Load default setting and delete all Parameters
11
11-1
11-1-4:
11-2
11-2-1:
11-2-2:
11-2-3:
...
11-2-21:
A/D Converter Settings:
Accuracy classes:
Accuracy class l/m
1. Weight unit (copy from menu subset 1-7):
User-defined unit
Grams
Kilograms
Tons
11-3
11-3-1:
11-3-2:
11-3-3:
Weighing range:
Single-range scale
Multi-interval scale
Multiple-range scale
11-4
11-4-1:
11-4-2:
11-4-3:
11-4-4:
Metrological data for single-range scale:
Scale interval d
Verification scale interval e
Minimum load
Maximum load
11-5
11-5-1:
11-5-2:
11-5-3:
11-5-4:
11-5-5:
11-5-6:
11-5-7:
Metrological data for multi-interval scale:
Scale interval d
Verification scale interval e
Minimum load
Range 1
Range 2
Range 3
Maximum load
11-6
11-6-1:
11-6-2:
11-6-3:
11-6-4:
11-6-5:
11-6-6:
11-6-7:
Metrological data for multiple-range scale:
Scale interval d
Verification scale interval e
Minimum load
Range 1
Range 2
Range 3
Maximum load
11-7
11-7-1:
11-7-2:
11-7-3:
...
11-7-21:
Available weight units:
User-defined unit
Grams
Kilograms
11-8
11-8-1:
11-8-2:
11-8-3:
...
11-8-21:
Calibration/adjustment unit:
User-defined unit
Grams
Kilograms
Tons
Tons
11-10
Store A/D converter configuration:
11-10-1: Store
11-10-2: Do not store
19
Menu Item 1-18: Entering Calibration/Linearization Weights
1-18-1: External User-defined Calibration Weight (Service Mode not Required)
– Activate the service mode (see page 16).
– Select weighing platform “WP1”.
display_wps1_serv.eps
– Press the ) key to open the numeric menu.
display_serv_01.eps
menu_1181.eps
– Select menu item 1-18-1 (external user-defined weight) by pressing k )
repeatedly.
– Activate input mode for the user-defined weight (press ) briefly).
The first digit flashes.
user1.eps
– Enter the user-defined weight (in this example: 10,000 kg) (key sequence:
) k ) p ) ) ) k )). The last number entered flashes.
user2.eps
– Press the ) key again to store the user-defined weight; the menu jumps back
to 1-18-1.
– To exit the service mode, press and hold the ) key for longer than 2 seconds.
menu_1181.eps
20
1-18-2: 1. Entering Linearization Weight
– Scroll to menu item 1-18-2 (press k repeatedly).
Note:
The service mode must be active.
menu_1182.eps
– Activate the input mode for the first linearization weight (press the ) key
briefly). The first number flashes.
user1.eps
– 1. Enter the linearization weight (in this example: 2,500 kg) (key sequence:
3 x k, ) p ) 6 x k, ) k ) k). The last number entered
flashes.
userl2.eps
– Press and hold the ) key (> 2 sec.) to store the value for the first
linearization weight. The menu jumps back to item 1-18-2.
menu_1182.eps
– Follow the above steps for menu items 1-18-3, 1-18-4, and 1-18-5 to enter
values for the second, third and fourth linearization weights as well.
Enter “0” instead of a weight value for unused linearization points.
– At the end of input, the display must show menu item 1-18-5.
– To exit the service mode, press and hold the ) key for longer than 2 seconds.
menu_1185.eps
21
Calibration/Adjustment Routines in Service Mode (General Information)
There are three ways to adjust the span:
– Using external weights
– By entering the specifications of the load cell(s) (sensitivity in mV/V)
– By entering geographical data (latitude and altitude of the place of use) or by
entering the acceleration of gravity (at the place of use)
Span adjustment with external weights always takes precedence.
What does this mean when performing service work?
If a weighing system is used in a location other than that for which it was
originally intended (i.e., the geographical data at the new place of use does not
match the entered at Sartorius AG in Goettingen, Germany), the scale span can be
adjusted by using external weights or by entering the specifications of the load
cell(s). In this case, the geographical data entered for the original place of use is
no longer valid. The same applies for span adjustment performed after any repair
work on the weighing system.
Once you store the geographical data or acceleration of gravity at the place of use
and subsequently perform span adjustment using weights, the scale is correctly
programmed and adjusted.
You can now enter the geographical data of the new place of use to adapt the
scale for use at that location.
22
If the acceleration of gravity has been entered, this data takes precedence over
any
geographical data (latitude and altitude) previously entered.
Valid Locations for Use
Once the exact geographical data or the acceleration of gravity has been entered
and subsequent span adjustment performed, a scale with a resolution of 3000
digits can be used within a tolerance zone of ±100 km from the latitude entered
and ±200 m from the altitude.
The same applies when the acceleration of gravity is entered.
The following values are entered when the complete Combics scale is adjusted
in Goettingen, Germany:
– Latitude: 51.53 degrees (= 51° 32’)
– Altitude: 151 m
– or the corresponding acceleration of gravity, 9.811590 m/s-2
The greater the precision of the geographical data entered, the greater the
precision achieved with the weighing instrument; the tolerance range, however,
is restricted accordingly (see above).
23
Zone “D”
For a complete scale used in the Federal Republic of Germany, the following data
can be entered for scales with a resolution of 3000 digits at the place of span
adjustment:
– Latitude: 51.00 degrees
– Altitude: 513 m
– or the corresponding acceleration of gravity, 9.810 m/s-2
The area of use valid for this scale is designated “Zone D” (valid only in Germany).
Important:
The procedures described above are also applicable to scales verified for use in
legal metrology.
The geographical data must be checked and, if necessary, corrected before every
calibration/adjustment routine. To view the data stored, select the Info menu
item.
If menu item 8-12-2 is active, as is required when the scale is used in legal
metrology, the data is automatically displayed before every span adjustment.
24
Menu Item 1-9: Calibration/Adjustment Functions
Note:
When using a verified weighing platform, open the cover plate on the left side
of the back of the indicator and move the menu access switch to the right
(“accessible”; see page 12).
– Activate the service mode (see page 15).
1-9-1: External Calibration/Adjustment with Default Weights
– Select weighing platform »WP1«.
– Press the ) key to open the numeric menu.
display_wps1_serv.eps
display_serv_01.eps
menu_191.eps
– Select menu item 1-9-1 (external calibration/adjustment with default weights)
(key sequence:
) several times k )) and confirm () key briefly).
When this menu setting is active, you can exit the Service mode by turning the
Combics indicator off and then on again.
25
cal.eps
5kg.eps
– After taring or zeroing the scale, press and hold the ) key until Cal is
displayed.
If menu item 8-12-2 is active, the geographical data is displayed before the
calibration weight is prompted. Confirm each of the values shown by pressing
the ) key to continue with the calibration routine.
– After approx. 2 seconds the calibration weight required is shown on the display.
– Place the prompted weight on the scale. After a brief pause, the difference
between the current value and the last is displayed (calibration).
– Press the ( key to stop the calibration/adjustment routine.
display_serv_01.eps
– Press the ) key to start the adjustment.
5.0kgw.eps
1-9-3 External Calibration/Adjustment with User-defined Weights
– Select weighing platform »WP1«.
display_wps1_serv.eps
– Press the ) key to open the numeric menu.
display_serv_01.eps
26
menu_193.eps
cal.eps
– Press ), then, several times, k ) to select menu item 1-9-3, “External
calibration/adjustment with user-defined weights” and confirm by pressing )
briefly.
– Press ( to jump to the first columns of the numeric menu.
– Press ) to store the selected menu item.
– Turn the Combics indicator off and then on again to exit the Service mode.
– After taring or zeroing the scale, press and hold the ) key until Cal is
displayed.
If menu item 8-12-2 is active, the geographical data is displayed before the
calibration weight is prompted. Confirm each of the values shown by pressing
the ) key to continue with the calibration routine.
– After approx. 2 seconds the calibration weight (user-defined weight) required
is shown on the display. Select menu item “1-18-1” to enter the user-defined
weight.
10kg.eps
– Place the prompted weight on the scale. After a brief pause, the difference
between the current value and the last span adjustment is displayed (calibration).
– Press the ( key to stop the calibration/adjustment routine.
display_serv_01.eps
– Press the ) key to start the adjustment.
10kgw.eps
27
1-9-5 Internal Linearization (Only for WP1 on COM1 or UniCOM Ports)
1-9-7 External Linearization with User-defined Weights
– Activate the service mode (see page 15).
– Select weighing platform »WP1«.
display_wps1_serv.eps
– Press the ) key to open the numeric menu.
display_serv_01.eps
menu_197.eps
lin.eps
28
– Select menu item 1-9-7 (External linearization with user-defined weight) (key
sequence: ), then, several times, k )) and confirm by pressing )
briefly.
– Press and hold the ) key to store the selected menu items and return the
Combics indicator to the weighing mode.
When this menu setting is already active, you can exit the Service mode by
turning the Combics indicator off and then on again.
– After taring or zeroing the scale, press and hold the ) key until Lin is
displayed.
– After approx. 2 seconds the first linearization weight (user-defined weight)
is shown on the display. Select menu items 1-18-2 through 1-18-5 to enter the
linearization weights.
2.5kg.eps
– Place the prompted weight on the scale. After a brief pause, the difference
between the current value and the last adjustment is displayed (calibration).
– Press the ( key to stop the calibration/adjustment routine.
display_serv_02.eps
– Press the ) key to store the value for the first linearization weight;
the second linearization weight is prompted.
5kg.eps
– Place the prompted weight on the scale. After a brief pause, the difference
between the current value and the last adjustment is displayed (calibration).
display_serv_03.eps
– Press the ) key to store the value for the second linearization weight;
the third linearization weight is prompted.
7.5kg.eps
– Place the prompted weight on the scale. After a brief pause, the difference
between the current value and the last adjustment is displayed (calibration).
display_serv_04.eps
29
– Press the ) key to store the value for the third linearization weight;
the fourth linearization weight is prompted.
10kg.eps
– Place the prompted weight on the scale. After a brief pause, the difference
between the current value and the last adjustment is displayed (calibration).
display_serv_05.eps
– Press the ) key to store the value for the fourth linearization weight.
The scale now prompts a requires the zero point (remove all weights from the
load plate).
display_serv_06.eps
– Once the zero point is stored, the Combics automatically returns to the
weighing mode.
0kg.eps
30
1-9-8
Note:
Setting the Preload
When using a verified weighing platform, open the cover plate on the left side
of the back of the indicator and move the menu access switch to the right
(“accessible”; see page 12).
– Activate the service mode (see page 15).
– Select weighing platform »WP1«.
display_wps1_serv.eps
– Press the ) key to open the numeric menu.
display_serv_01.eps
menu_198.eps
– Select menu item 1-9-8 (Set preload) (key sequence: ), then, several times,
k )) and confirm by pressing ) briefly.
– Press and hold the ) key to store the selected menu items and return the
Combics indicator to the weighing mode.
– Press )) to tare the Combics indicator, or press ( to zero it.
If you tare the indicator, “NET” might be displayed.
0kg.eps
– Place the preload on the scale.
vorl1.eps
31
– Press ) until SEt is displayed.
vorl1.eps
– Release the ) key; after a brief pause, the Combics indicator automatically
returns to the weighing mode.
0kg.eps
1-9-9 Clearing the Preload
Note:
When using a verified weighing platform, open the cover plate on the left side
of the back of the indicator and move the menu access switch to the right
(“accessible”; see page 12).
– Activate the service mode (see page 15).
– Select weighing platform »WP1«.
display_wps1_serv.eps
– Press the ) key to open the numeric menu.
display_serv_01.eps
– Select menu item 1-9-9 (Clear preload) (key sequence: ), then, several times,
k )) and confirm by pressing ) briefly.
– Press and hold the ) key to store the selected menu items
vorl3.eps
32
and return the Combics indicator to the weighing mode.
– Remove the preload weight from the scale. A weight value with a preceding
“minus” sign is displayed (for example, -0.335 kg).
vorl4.eps
– Press ) until CLr Pre is displayed.
vorl5.eps
– Release the ) key; the preload is cleared and, after a brief pause, the Combics
indicator automatically returns to the weighing mode.
0kg.eps
33
Adjustment without Weights
Menu Item 1-19: Entering the Specifications of the Load Cell(s)
– Activate the service mode (see page 15).
– Select weighing platform »WP1«.
display_wps1_serv.eps
– Press the ) key to open the numeric menu.
display_serv_01.eps
– Press the ) key, then, several times, k repeatedly and then ) again to
open menu item 1-19, “Calibration without weights”; then select item 1-19-1,
“Nominal capacity”.
display_serv_01191.eps
– Press ) again to activate menu item 1-19-1.
– Enter the nominal capacity of the load cell(s) (e.g., 30.00 kg).
The nominal capacity has to match the maximum load set under menu item
11-4-4.
display_mxl30.eps
Note:
34
If a weighing platform has more than one load cell, multiply the nominal capacity
accordingly. Example: The weighing platform consists of 4 load cells, each of them
has a capacity of 30 kg.
In this case, the nominal capacity (= maximum load) equals 4 x 30 kg, or 120 kg.
– To store the setting, press and hold the ) key (> 2 sec).
– Select menu item1-19-2 (key sequence: k, )).
– Enter the resolution (lowest scale interval d) (e.g., 0.01 kg). This value has to
match that stored under menu item 11-4-1 (or 11-5-1 or 11-6-1).
display_schrittw_001.eps
– To store the setting, press and hold the ) key (> 2 sec).
– Select menu item1-19-3 (key sequence: k, )).
Enter the sensitivity of the load cell in mV/V (usually listed in the load cell
specification sheets). If a weighing platform consists of more than one load cell,
enter here the sensitivity of load cell 1.
Example: The sensitivity of the load cell is 1.9440 mV/V.
display_wze19440.eps
Note:
– To store the setting, press and hold the ) key (> 2 sec).
If a weighing platform consists of more than one load cell, enter the sensitivity
values for the other cells (up to 4) under menu items 1-19-4 (for load cell 2)
through 1-19-6 (for load cell 4) and confirm each value (k ) keys).
If the platform has less than four load cells, enter “0.000” under the unused menu
items.
35
– Press k and ) to select menu item 1-19-7,
Store parameters set in menu item 1-19.
display_serv_01197.eps
– Press ) ( ( to store the load cell specifications entered; the menu
automatically jumps back to the first menu page.
display_serv_01.eps
36
– Exit the operating menu and return to the weighing mode.
Menu Item 1-20: Entering the Geographical Latitude and Altitude,
or the Acceleration of Gravity
When you activate menu item 1-20-1, the value 99999.99 is displayed; under
1-20-2, is 9999999 displayed too. Otherwise, if values have already been entered
for geographical latitude and altitude, then 0.000000 is displayed under menu item
1-20-3.
During calibration, the Combics show will whether and which gravimetric data
(geographical latitude and altitude, or acceleration of gravity) is used, if the menu
item 8-12-2 is activated.
If latitude and altitude are used, the display shows “Altitude” for 2 seconds when
the calibration procedure is started (CAL), followed by the configured elevation
above sea level in meters. Press ) to confirm this information. Next, the display
shows “LATITUDE” for 2 seconds, followed by the value set for the geographical
latitude (in degrees). Press ) to confirm this information. The calibration
weight is now prompted. If the acceleration of gravity is given rather than the
geographical latitude and elevation, the display shows “GRAVITY” for 2 seconds
(after “CAL”), followed by the value entered for the local acceleration of gravity.
Press ) to confirm this information.
However, if the calibration weight is prompted as soon as the “CAL” display goes
out, this means whether the correction of the calibration factor has been
deactivated nor the menu item 8-12-2 is activated; in other words, neither the
geographical latitude and altitude nor the acceleration of gravity have been
entered under menu line 1-20.
37
Entering the Place of Adjustment with Subsequent Adjustment (Example)
– Activate the service mode (see page 15).
– Press ) to select weighing platform »WP1«.
display_wp1_serv.eps
– Press the ) key to open the numeric menu. The first menu page is displayed.
display_serv_01.eps
– Open menu line 1-20, “Place of adjustment”, by pressing k and ).
Menu item 1-20-1 (latitude) is displayed.
display_serv_01201.eps
Important:
38
If the geographical latitude and altitude of the place of installation are known,
enter this data under menu items 1-20-1 (latitude) and 1-20-2 (altitude).
If you wish to use the acceleration of gravity at the place of installation for the
basis of adjustment rather than these two parameters, enter this value under menu
item 1-20-3.
A value entered for acceleration of gravity takes precedence over the
combination of geographical latitude and altitude.
Example:
Entering geographical latitude and elevation:
Select menu item 1-20-1 (latitude) (press )).
In the example shown here, the most recently entered parameter was the value for
the acceleration of gravity (menu item 1-20-3). For this reason, the input fields
for menu items 1-20-1 and 1-20-2 are filled with 999…
display_99.eps
display_5153.eps
In the example shown here, the geographical latitude of Goettingen, Germany,
was the value entered most recently. This value is the reference value, for which
no correction of the span adjustment was made with respect to the place of
installation, assuming that “151” (elevation in meters above sea level) has been
entered under menu item 1-20-2.
Enter the geographical latitude of the place of installation (or the reference
value 51.53) as a positive decimal number (convert angular minutes to decimal
places). Press ) to confirm your input.
display_99.eps
– Select menu item 1-20-2 (“Elevation at the place of installation”) (key
sequence: ) k )).
The input field is filled with 999…, because the last value entered in menu line
1-20 was the acceleration of gravity (menu item 1-20-3).
39
– Enter a value for the local elevation at the place of installation in meters above
sea level (reference value: 151) (key sequence: ) k k).
display_151.eps
Note:
A negative value may be entered for local elevation; for example,
if the scale is installed in a mine.
– Press ) to confirm your input.
– Activate menu item 1-20-4 to store new data
(key sequence: ) k k).
Rather than the geographical latitude and local elevation of the place of
installation, you can enter a value for the acceleration of gravity at the place of
installation (menu item 1-20-3).
Example:
Entering the acceleration of gravity place of installation.
– Select menu item 1-20-3 (acceleration of gravity) (key sequence: k k )).
Example:
display_000.eps
display_981.eps
40
In the example shown here, the geographical latitude and local
altitude (menu items 1-20-1 and 1-20-2) were the last parameters
entered in menu line 1-20. Thus the input field for acceleration of
gravity is filled with 000…
In the example shown here, the most recently entered parameter
was the value for the acceleration of gravity at Goettingen, Germany
(menu item 1-20-3). This value is the reference value, which means
no correction of the span adjustment for the place of installation
is required.
– Enter the acceleration of gravity at the place of installation (in ms-2 / or the
reference value: 9.811590). Press ) to confirm your input.
– Activate menu item 1-20-4 to store new data (key sequence: ) k).
The display shows “busy”, indicating that the parameters entered are being stored.
display_busy.eps
– Restart the scale: Turn the indicator off and then on again (key sequence: e
e, or press and hold the ) key (> 2 sec).
After the self-test of the display, the scale is ready to operate.
display.eps
Note:
Once the precise geographical data or acceleration of gravity has been entered,
the tolerance range is restricted (see page 23).
A new opening of this menu item will show 0.00... in the display only.
– After data has been entered as described above, the span must
be adjusted.
Example
Settings (changes in the factory settings required for this example);
Menu item 1-9-1: External calibration/adjustment with default weight;
Menu item 1-10-1: Calibration/adjustment in one operation;
Menu item 1-16-1: External calibration/adjustment/linearization accessible;
41
The parameters for altitude at the place of installation and geographical latitude
have been entered (menu items 1-20-1 and 1-20-2).
The display will show “ALTITUD” for 2 seconds, if the menu item 8-12-2 is activated.
display_altitud.eps
The altitude at the place of installation is displayed in meters above sea level.
In the example shown here, the altitude of Goettingen, Germany (reference value)
is shown.
display_alt_151.eps
– Press the ) key to confirm the displayed value.
The display shows “LATITUD” for 2 seconds.
display_latitud.eps
display_lat_5153.eps
The geographical latitude of the place of installation is shown in degrees north
or degrees south.
In the example shown here, the altitude of Goettingen, Germany (reference value)
is shown.
– Press the ) key to confirm the displayed value.
10kg.eps
– Place the prompted calibration weight on the scale (see page 25 for details on
calibration and adjustment).
or
42
display_gravity.eps
Instead of “ALTITUD” and “LATITUD”, “GRAVITY” is displayed for 2 seconds if the
acceleration of gravity (menu item 1-20-3) was entered rather than the elevation
and geographical latitude (menu items 1-20-1 and 1-20-2).
The value entered for the acceleration of gravity at the place of installation
is displayed (in m/s-2).
In the example shown here, the acceleration of gravity at Goettingen, Germany
(reference value) is shown.
display_grav_981.eps
This data is shown when menu item 8-12-2 is active.
– Press the ) key to confirm the displayed value.
– Place the prompted calibration weight on the scale (see page 25 for details on
calibration and adjustment).
10kg.eps
43
Configuring the A/D Converter in the Combics Indicator (Service Mode)
The A/D converter must be configured in the following cases:
– To adapt the existing configuration to customer requirements (for example,
to change the nominal capacity or the resolution).
– To adapt the Combics for use with any commercially available strain-gauge load
cell or analog Sartorius CAPP, CAPS, IWA, IU or IF weighing platform, when
installing a new system.
– After replacing the electronic A/D converter during repair work, also on
complete combics scales, when the Sartocas software is not used.
Menu Item 11: A/D Converter Settings (Configuration: Standard, Trade)
Note:
44
Before the A/D converter can be configured, you need to load either the
“Standard” configuration or the “Trade” configuration, depending on customer
requirements.
– 9-1-3: Load “Standard” configuration
– 9-1-4: Load “Trade” configuration
Menu Item 11:
A/D Converter Configuration (General Information)
Note:
Access is restricted by a special password.
Features
With the menu access switch open, you can
configure most of the parameters affecting
the following specifications:
– Toggling between Standard and Trade configurations
(for use in legal metrology)
–
–
–
–
–
–
–
Verification scale interval e
Scale interval d
Minimum load
Maximum load
Maximum load for a given range
Verification scale interval e for a given range
User-definable weight units
These parameters are not reset when you restore the
factory defaults in the operating menu.
Parameters not listed above are not affected by your
choice of Standard or Trade configuration; the same
restrictions apply as for Sartorius weighing instruments
which cannot be configured.
Note on A/D Converter Configuration
A/D converter configuration is performed using the
numeric menu (weighing platform 1).
Important: The A/D converter can be configured only in
the service mode.
The maximum load for each weighing range must be
entered in an appropriate weight unit. Select the desired
weight unit for operation under menu line 11-7, “Weight
units”. The maximum load for each range must be a value
that can be displayed in any available weight unit.
Weight units that are accessible (or blocked) for use as
Weight unit 1 are also available (or blocked) for use as
Weight unit 2. The weight unit used for the configuration
cannot be blocked.
Note:
A jump back to menu item 11 (e.g. 11-5-2° to 11)
without storing the settings before (11-10-1) will
delete the preset settings.
Checking and Configuring the Equipment for Use in Legal
Metrology:
45
Following A/D converter configuration, write the
metrological data on a tag for all weighing ranges.
Afterwards, affix the enclosed protective acetate overlay
to the tag.
After completing calibration and adjustment, move the
menu access switch back to the “closed” position and then
turn the Combics indicator off and back on again to
activate the new configuration.
Open menu line 1-7 to make sure only the permitted
weight units are accessible.
Perform necessary routines for scales used in legal
metrology.
Descriptions of the Individual Menu Items
Menu Item 9-1-3 / 9-1-4:
Selecting and loading configuration data
Before selecting the menu item for A/D converter
configuration, check whether the weighing platform is
used in the standard operating mode (Standard
configuration) or in legal metrology (Trade configuration):
46
– Standard Configuration
(menu item 9-1-3)
or
– Trade Configuration
(menu item 9-1-4)
Menu Line 11-1 (Accuracy Class)
This menu line is not shown when the Standard
configuration is active.
When the Trade configuration is active (for verifiable or
verified weighing platforms), only menu item 11-1-4 is
shown.
Select the accuracy class appropriate for the weighing
platform connected. Which class is appropriate depends
on the load cell(s) installed.
In legal metrology, only classes l/m
(menu item 11-1-4) can be selected.
Press k to select the accuracy classes and ) to
confirm. A circle (o) after the menu code indicates the
ctive setting.
Selecting the Weighing Range Structure (Menu Item 11-3)
The capacity of the weighing platform can be divided into
multiple ranges. These settings are configured under
menu item 11-3:
Single-range Scale (11-3-1)
The entire weighing range is divided into scale intervals on
the basis of the lowest interval d and the maximum load.
In this case, the readability over the entire weighing range
is always the lowest scale interval d.
Multi-interval Scale (11-3-2)
By activating the “Multi-interval scale” function you can
divide the weighing capacity into as many 4 weighing
ranges, each with a different readability. When using the
Trade configuration, this function is permitted only in
accuracy classes l/m. The scale switches from one
range to the next automatically, in accordance with the
range limits specified. When the scale switches from a
higher to a lower range, the higher resolution is set
automatically. Once the scale has been tared, the highest
possible resolution is available even if the weighing
platform is loaded. Press k to select the desired
weighing range function and then press ) to confirm.
A circle (o) after the menu code indicates the active
setting.
Multiple-range Scale (11-3-3)
A multiple-range scale has two weighing ranges.
When the maximum capacity of the lower range is
exceeded, the scale switches to the higher range (lower
resolution) and remains in that range. The scale can be
returned to the lower weighing range (higher resolution)
only by unloading the scale and then pressing the ( key.
Scale Interval d
The lowest scale interval d indicates the resolution of the
weighing instrument. The scale interval d can be entered
only in increments of 1, 2, 5, 10, 20, 50, etc. When working
on a verifiable or verified scale in accuracy class l or
m, you are not prompted to enter the lowest scale
interval, as this is equal to the verification scale interval e.
Verification Scale Interval e
The verification scale interval e indicates the resolution
of the weighing instrument in legal metrology.
When accuracy class l/m is active, this is equal to the
scale interval d. Thus with classes l/m, the lowest
scale interval d is not prompted.
Minimum Load
The minimum load for weighing instruments of class
l is 20 e; for class m instruments, it is 10 e.
Note: The function of the minimum load setting is to warn
operators that below this limit, the summation of
tolerances might lead to significant measurement errors.
In Germany, for example, initial weights below the
minimum load are not allowed.
47
Range 1, Range 2, Range 3
Here you can enter the limits for each of the weighing
ranges. When a limit is exceeded, the accuracy changes.
The following applies when entering range limits:
Range 1 < range 2 < range 3 < maximum capacity.
Thus the weighing capacity can be divided into 4 ranges.
The resolution changes in intervals of 1, 2, 5, 10, 20, 50,
etc. The lowest resolution is equal to the specified lowest
scale interval d. Set unused ranges to 0.
Maximum Capacity
The maximum capacity is the maximum load that may
be placed on the weighing instrument. If a heavier load
is placed on the platform, the display shows H.
The scale intervals are derived from the maximum load and
the lowest scale interval d. In legal metrology, the number
of intervals must not exceed 6000 e, or 3000 e per range
in a multi-interval scale. In standard operation, as opposed
to legal metrology, you can define a “SuperRange”
weighing instrument with more intervals.
For example, a maximum load of 60,000 kg with a lowest
scale interval d of 0.001 kg 60,000 scale intervals. These
parameters, however, may be influenced by physical
restrictions.
48
Available Weight Units (Menu Item 11-7)
With this function, you can make particular weight units
inaccessible during weighing. Available units are indicated
by a circle (o) on the display (more than one can be
selected).
Calibration/Adjustment Unit (Menu Item 11-8)
This setting defines the weight unit with which calibration
must be performed. The calibration unit remains the same,
even when a different weight unit is used during normal
weighing operation.
Calibration without Weights (Menu Item 1-19)
The values entered for nominal capacity (in kg; menu item
1-19-1; specification of the strain-gauge system), resolution
in kg; (menu item 1-19-2) and sensitivity in mV/V menu
item 1-19-3) are converted to internal quantities. Once
the A/D converter configuration data has been stored,
these parameters can no longer be read. For weighing
platforms with multiple load cells, enter the sensitivities of
the other load cells under menu items 1-19-4 (cell 2)
through 1-19-6 (cell 4).
Select menu item 1-19-7 to store the data entered.
Important: Calibration without weights cannot be
performed on weighing instruments used in
legal metrology.
Storing Configuration Data (Menu Item 11-10)
Select menu item 11-10-1 to store the A/D converter
configuration data.
Once the A/D converter configuration has been locked
(menu access switch closed), the indicator can no longer
be used to influence weighing results. The scope of
functions available in the weighing instrument is defined
by the A/D converter. Scale functions which can be
activated are, for example: weight readout, taring,
adjustment, reading tare value, saving/deleting tare values.
Once these parameters have been configured, the A/D
converter in conjunction with the load cell is defined as a
weighing instrument. The A/D converter, in conjunction
with the weighing platform, can now be used like any
standard weighing platform.
In addition, the weight unit must be defined and the
weighing platform adjusted (calibration/adjustment
and linearization must be performed). For a detailed
description of these procedures, see the chapter entitled
“Calibration/Adjustment in Service Mode”.
Important: After configuring the A/D converter
and adjusting the weighing instrument
(calibration/adjustment and linearization),
return the menu access switch to the
“closed” position (i.e. for use in legal
metrology). Turn the Combics indicator off
and then on again (key sequence: e e
to activate the new configuration.
49
Menu Item 9-1:
A/D Converter Configuration (Example: Trade Configuration)
– Activate the service mode (see page 15).
– Press k repeatedly to select weighing platform »WP1«.
display_wp1_serv.eps
– Press the ) key to open the numeric menu. The first menu page is displayed.
display_serv_01.eps
– Open menu item 9-1 (Factory setting/Menu reset)
(key sequence: k k )).
display_serv_91.eps
Loading the Trade Configuration
– Select menu item 9-1-4 (Trade configuration) and confirm
(key sequence: ) k k)).
display_serv_914.eps.
The selected configuration is loaded. »Busy« is displayed briefly.
display_busy.eps.
display_serv_912.eps.
50
Afterwards, the program returns to the display of menu item 9-1-2
(Restore factory defaults: »Off«; factory setting).
– Select menu page 11 (key sequence: ( ( k).
Note:
display_serv_11.eps.
If the Trade configuration is loaded, menu line 11-1 (for selecting
accuracy class) is displayed at this point.
Otherwise (Standard configuration), that menu line is skipped and 11-2
(weight unit 1) is displayed.
In this case, press k to open menu line 11-3.
– Press ) to confirm your selection.
display_serv_111.eps.
– To use the weighing instrument in legal metrology (i.e., with the Trade
configuration loaded) press ) to enter the accuracy class:
– Select menu item 11-1-4 for accuracy class l/m.
display_serv_1114.eps.
– Press ) to confirm.
The configured menu item (in the picture here,
11-1-4 for accuracy class l/m) is marked by a circle (o).
display_serv_1114w.eps.
51
– Press the key sequence ( k k to open menu item 11-3 (Selecting the
weighing range structure).
display_serv_113.eps.
display_serv_1131.eps.
– Press ) to confirm your selection.
In the example shown here, menu item 11-3-1 (Single-range scale) has been
selected.
If desired, press k to change the weighing range structure:
11-3-2: Multiple-range scale; 11-2-3: Multi-interval scale.
– Press ( to return to menu item 11-3.
Note:
Enter the scale interval, minimum load, range limits (multiple-range or multiinterval scales only) and maximum capacity:
The menu line corresponding to the selected weighing range structure is displayed;
i.e.
– for single-range scale (menu item 11-3-1): in relation to menu item 11-4;
– for multiple-range scale (menu item 11-3-2): in relation to menu item 11-5;
– for multi-interval scale (menu item 11-3-3): in relation to menu item 11-6.
In each case, the menu lines for the other two weighing range structures are not
shown.
In this example, 11-3-1 (Single-range scale) has been selected.
Thus menu line 11-4 is opened automatically. Menu lines
11-5 and 11-6 are not available.
52
– The input field for the verification scale interval e is to open.
display_serv_114.eps.
– If the Trade configuration is active, select menu item 11-4-2 (Verification scale
interval e) (key sequence: ( k k k )).
display_serv_1142.eps.
– Press the ) key again to open this item; 0.001 kg is displayed.
eiche1.eps.
– Enter the value for e (for example, e = 0.1 kg) by pressing the key sequence )
) k ) ) p ) and store (press and hold ) > 2 sec).
eiche2.eps.
When menu item 11-4-2 is opened again, the display shows 0.1 kg.
display_schrittw_01.eps.
display_serv_1143.eps.
display_mnl20.eps.
– Select menu item 11-4-3 (Minimum load) (key sequence: ( k).
– Press the ) key again to open this item; then enter the minimum load (key
sequence: k k k ) p ) k).
Example for accuracy class l: Minimum load = 20 x e = 2.0 kg
– To store the new setting, press and hold the ) key (> 2 sec).
53
– Press k to select menu item 11-4-4 (maximum load).
display_serv_1144.eps.
display_mxl300.eps.
Note:
– Press ) again to open this menu item; then enter the maximum capacity (for
example 300.0 kg) (key sequence: k k k k ) k ) k )
p ) k). Enter “300” (it is not necessary to enter the decimal point and
the last “0”).
– To store the new setting, press and hold the ) key (> 2 sec).
If “Multiple-range scale” or “Multi-interval scale” was selected during A/D
converter configuration rather than “Single-range scale”, then the range limits
must be entered under menu line 11-5 (multiple-range) or 11-6 (multi-interval).
Each of these menu lines has 3 items to choose from, for setting range limits
1, 2 and 3.
– Store the configuration data: Select menu line 11-10 (key sequence: ( (
k k k )).
The default setting is 11-10-2, “Do not store configuration”.
display_serv11102.eps.
– Press k to select menu item 11-10-1 (Store configuration).
display_serv11101.eps.
– To store the new settings, press and hold the ) key (> 2 sec).
54
“Busy” is displayed briefly.
display_busy.eps.
display.eps.
Afterwards, the Combics is re-started. The scale is in the normal weighing
mode.
Then adjust the weighing instrument and, if the Trade configuration is active,
return the menu access switch from the “accessible” to the “closed” position (see
page 12).
Menu Item 9-1: A/D Converter Configuration with Load Cell(s) Connected
(Example: Standard Configuration
– Activate the service mode (see page 15).
– Press ) repeatedly to select weighing platform »WP1«.
display_wp1_serv.eps
– Press the ) key to open the numeric menu. The first menu page is displayed.
display_serv_01.eps
Selecting Menu Line 1-13 (Tare/zero at power on)
and Changing the Settings If Necessary
– Open menu line 9-1 (Factory settings/Reset menu).
55
Loading the Standard Configuration
(if the Trade configuration is currently loaded)
display_serv_91.eps
– Open menu item 9-1 (Standard configuration) and confirm (key sequence: k
k )).
– Select menu code 9-1-3 (key sequence: ) k) and press ) to store.
display_serv_913.eps.
The selected configuration is loaded. “Busy” is displayed briefly.
display_busy.eps.
Afterwards, the program returns to the display of menu item 9-1-2 (Restore
defaults: »Off«; factory setting).
display_serv_912.eps.
display_serv_11.eps.
display_serv_113.eps.
56
– Open menu page 11 (key sequence: ( ( k).
Configuration: Enter the desired weighing range structure (single-range scale,
multiple-range scale, multi-interval scale), scale interval and maximum
capacity (with range limits, if necessary).
– Press ) k to select the weighing range structure (menu line 11-3).
display_serv_1131.eps.
Note:
– Press ) to confirm your selection.
In the example shown here, menu item 11-3-1 (Single-range scale) has been
selected.
If desired, press k to change the weighing range structure:
11-3-2: Multiple-range scale; 11-2-3: Multi-interval scale.
– Press ( to return to menu line 11-3.
Entering the scale interval, range limits (multiple-range or multi-interval scales
only) and maximum capacity:
The menu line corresponding to the selected weighing range structure
is displayed, i.e.,
– for single-range scale (menu item 11-3-1): in relation to menu item 11-4;
– for multiple-range scale (menu item 11-3-2): in relation to menu item 11-5;
– for multi-interval scale (menu item 11-3-3): in relation to menu item 11-6.
In each case, the menu lines for the other two weighing range structures are not
shown.
– When you activate menu code 11-3-1 (Single-range scale) (by pressing the
key), menu line 11-4 is opened automatically. In this case, menu lines 11-5 and
11-6 are not shown.
display_serv_114.eps.
– Open menu item 11-4-1 to enter the scale interval d.
menu_1141.eps.
– Press ) to select the menu item.
57
display_schrittw_0001.eps.
The scale interval d is shown, and a flashing digit indicates the cursor position.
You can change the digit that the cursor is on.
Move the cursor as needed to change other digits; in this manner, you can
change the number to the desired value.
– Defining the scale interval d for the weighing instrument:
If the currently active value (displayed; in this example, 0.001 kg) matches the
desired value, press and hold ) (> 2 sec) to confirm it.
– Otherwise, overwrite the value as desired (in this example, by entering 0.01 kg;
key sequence: k ) p ) k ) k k); then press and hold the
) (> 2 sec) to confirm.
display_schrittw_001.eps.
After you store the data, the program jumps back to menu item 11-4-1.
menu_1141.eps.
– Press k to select menu line 11-4-4 (maximum load).
display_serv_1144.eps.
– Press ) to open the menu item.
standard.eps.
58
standard1.eps.
– Enter the desired maximum capacity (in this example, 30.0 kg; key sequence:
k k k k ) k ) p ) k) and then press and hold )
(> 2 sec) to store the value. Enter “30” (it is not necessary to enter the decimal
point and the last “0”).
After you store the data, the program jumps back to menu item 11-4-4.
display_serv_1144.eps.
Note:
If “Multiple-range scale” or “Multi-interval scale” was selected during A/D
converter configuration rather than “Single-range scale”, then the range limits
must be entered under menu line 11-5 (multiple-range) or 11-6 (multi-interval).
Each of these menu lines has 3 items to choose (range limits 1, 2 and 3).
– Store the configuration data: Select menu line 11-10 (key sequence: ( k
kk
menu_1110.eps.
– Press ) to open menu item 11-10-2 (“Do not store configuration”)
(active setting).
display_serv_11102.eps.
– Press k to select menu item 11-10-1 (Store configuration).
display_serv_11101.eps.
59
Press ) to store the A/D converter configuration data.
“Busy” is displayed briefly; afterwards, the Combics is re-started.
After the self-test of the display, the scale is ready to operate.
display_busy.eps.
Menu Item 1-19: Entering the Specifications of the Load Cell(s)
– Activate the service mode (see page 15).
– Select weighing platform »WP1«.
– Press the ) key to open the numeric menu.
display_wps1_serv.eps
– Press the ) key, then seveal times, k ) to open menu line 1-19,
“Calibration without weights”; then select item 1-19-1, “Nominal capacity”.
display_serv_01.eps
– Press ) again to activate menu item 1-19-1.
display_serv_01191.eps
– Enter the nominal capacity of the load cell(s) (e.g., 30.00 kg).
The nominal capacity has to match the maximum load set under
menu item 11-4-4.
display_mxl30.eps
60
Note:
If a weighing platform has more than one load cell, multiply the nominal capacity
accordingly. Example: The weighing platform consists of 4 load cells, each of which
has a capacity of 30 kg. In this case, the nominal capacity (= maximum load)
equals 4 x 30 kg, or 120 kg.
– To store the setting, press and hold the ) key (> 2 sec).
– Select menu item1-19-2 (key sequence: k, )).
– Enter the resolution (lowest scale interval d) (e.g., 0.01 kg). This value has to
match that stored under menu item 11-4-1 (or 11-5-1 or 11-6-1).
display_schrittw_001.eps
display_wze19440.eps
– To store the setting, press and hold the ) key (> 2 sec).
– Open menu item 1-19-3 (key sequence: k )).
Enter the sensitivity of the load cell in mV/V (usually listed in the load cell
specification sheets). If a weighing platform consists of more than one load
cell, enter the sensitivity of load cell 1.
Example: The sensitivity of the load cell is 1.9440 mV/V.
– To store the setting, press and hold the ) key (> 2 sec).
Note:
If a weighing platform consists of more than one load cell, enter the sensitivity
values for the other cells (up to 4) under menu items 1-19-4 (for load cell 2)
through 1-19-6 (for load cell 4) and confirm each value (k and ) keys).
If the platform has less than four load cells, enter “0.000” under the unused menu
items.
61
– Press ) and then ) to select menu item 1-19-7,
(Store values for menu item 1-19).
display_serv_01197.eps
display_serv_01.eps
– Press ) ( ( to store the load cell specifications entered; the menu
automatically jumps back to the first menu page.
– Press e twice; the indicator is now in weighing mode.
– Close the menu access switch (see page 12).
– Turn the Combics indicator off and then on again to activate the new
configuration.
Entering the Date of Service
After performing maintenance or repair, you can enter the date of the
next scheduled maintenance visit.
– Activate the service mode (see page 15).
code_s.eps
– Press k repeatedly to scroll through the menu until the display
shows S-dAtE.
s-date.eps
62
– Press ) activate the input mode (the cursor flashes in the first position).
cursor.eps
– Press the ) k p keys as needed to enter the next scheduled
maintenance date (for example, 25 Apr 03).
s-date1.eps
– Press and hold the ) key (with the cursor to the right of the last character)
to store the date; the display returns automatically to S-dAtE.
s-date.eps
– Press e twice to return the Combics indicator to the weighing mode.
0kg.eps
Entering the Serial Number of the Complete Combics Scale
(or Combics Indicator)
After replacing the digital PCB, the serial number of the Combics
complete scale or Combics indicator must be written in memory.
– Activate the service mode (see page 15).
code_s.eps
63
– Press k k k to scroll through the menu until the display shows Serno.
ser-no.eps
– Press ) activate the input mode.
cursor.eps
– Press the ) k p keys as needed to enter the serial number ( for
example, 13800012) of the existing weighing system.
ser-no1.eps
Note: After you enter the last digit, the first digit is no longer displayed.
– Press and hold the ) key to store the serial number; the display returns
automatically to Ser-no.
ser-no.eps
– Press e twice to return the Combics indicator to the weighing mode.
0kg.eps
64
Entering the Model Designation of the Complete Combics Scale
(Indicator)
After replacing the digital PCB, the model designation of the complete scale or
Combics indicator must be written in memory.
– Activate the service mode (see page 15).
code_s.eps
– Press k k k k to scroll through the menu until the display shows
ModEL.
model.eps
– Press ) activate the input mode (the cursor flashes in the first position).
cursor.eps
– Press the ) k keys as needed to enter the model designation (for
example, CISL1) of the weighing system.
model1.eps
– Press and hold the ) key (with the cursor to the right of the last character)
to store the model designation; the display returns automatically to ModEL.
model.eps
65
– Press e twice to return the Combics indicator to the weighing mode.
0kg.eps
Defining Transaction Numbers for Data Records (Weight Values)
in Alibi Memory
– Activate the service mode (see page 15).
code_s.eps
– Press k k to scroll through the menu until the display shows MEM-no.
memory_s.eps
– Press ) activate the input mode (the cursor flashes in the first position).
cursor.eps
– Press the ) k keys as needed to enter the allocation number in the Alibi
memory.
memory1.eps
– Press and hold the ) key (with the cursor to the right of the last character)
to store the allocation number; the display returns automatically to MEM-no.
memory_s.eps
– Press e twice to return the Combics indicator to the weighing mode.
0kg.eps
66
Repairing the Combics Indicator
Important:
An isolating transformer must be installed between the indicator and mains
before performing work that entails opening the Combics indicator housing.
To open the Combics indicator, remove the four nuts as shown in the illustration
on the left.
Note:
combics_10.eps
After completing maintenance or repair work, check the seal between the
front panel and the housing body for damage and replace if necessary.
If the Combics indicator in question has an IP67 protection rating,
a special test procedure is used to check the IP67 protection after the
housing has been closed.
Replacing the Front Panel
In the case of a defective keypad overlay, keys, LEDs, or display, the entire front
panel must be replaced.
67
Blank Display
If the display is blank (dark), disconnect the equipment from mains, open the
housing and disconnect all cables and wires from the subassemblies.
Then connect the equipment to power again through an isolating transformer and
connect all subassemblies again, measuring the supply voltage in each case.
– The voltage at the power supply output (connector A; see page 69) is
15V ± 0.3 V direct current.
– The output voltages of the DC/DC converter are listed on page 70.
Replacing the Power Cable
– Disconnect the cable from the power source.
– After replacing the power cable, use a torque wrench to tighten the cable
gland to 3 Nm.
pg_netz.jpg
68
Replacing the Power PCB
– Disconnect the cable from the power source.
– Pry the protective cap from the power PCB.
To do this, insert the end of a slotted-head screwdriver into each of the
four openings on the protective cap and carefully push the retainer clips,
located further down, to one side.
netzt_kappe.jpg
– Remove the protective cap and disconnect the two wires (blue/brown).
– Unplug connector A, remove the 2 screws and replace the power supply.
After replaceing the PCB, make sure to return the protective cap to its
original position.
A
netzteil.jpg
69
Replacing the DC/DC Converter
dc_dc.gif
M1
Note:
M2
M3
M4
M5
M6
Use a digital voltmeter (DC setting) to measure voltages against ground (earth).
No particular points of measurement are defined for this procedure; for this
reason, use a thin test pin and exercise extreme caution to avoid short-circuiting
the equipment.
The various supply voltages delivered by the DC/DC converter can be
measured at the following points.
M 1: 13V ± 1.3V Supply voltage for a connected printer.
M 2: 15V ± 0.3V Input voltage for the DC/DC converter.
M 3: –29V ± 1.5V Supply voltage for the front panel electronics.
M 4: –8.5V ± 0.2V Supply voltage for the A/D converter
M 5: 8.5V ± 0.2V Supply voltage for the A/D converter
M 6: 5V ± 0.13V Supply voltage for the digital PCB
70
Replacing the A/D Converter
– Before replacing the A/D converter, try to read out the data from the A/D
converter’s controller using the service software; if this is successful, you can
load the adjustment data in the controller of the new A/D converter once it is
installed. In many cases, this precludes the need to adjust the weighing system.
– Because the model designation and serial number are not stored in the A/D
converter’s controller, you do not need to enter this data again after replacing
the A/D converter.
– When connecting the weighing platform (load cell(s)) to the A/D converter,
it is important to install a ferrite ring over the signal lines leading from the
platform, to ensure electromagnetic compatibility.
adu.jpg
Quick-test of the A/D Converter
Pin Assignment Chart
combics_18.eps
No.
Signal designation
Meaning
Voltage
1
2
BR_POS
SENSE_POS
3
4
5
OUT_POS
OUT_NEG
SENSE_NEG
6
BR_NEG
Bridge supply voltage (+)
4.5V ± 0.18V
Sense (+)
Bridge supply voltage
Measuring voltage positive
Measuring voltage negative
Sense (-)
Bridge supply voltage
Bridge supply voltage (-)
–4.5V ± 0.23V
71
1. Disconnect the platform measuring voltage lines from the terminal strip
(pins 3 and 4) in the A/D converter. Then short circuit these two lines and
connect them to pin 7 (GND) of the terminal connector. If the A/D converter is
intact, the weight readout should be stable.
Disconnect the cable from the platform.
2. Connect the strain-gauge simulator and turn the switch to simulate different
input signals. The weight readout should be stable.
Replacing the Digital PCB
Note:
If communcation problems occur during communication with connected devices
(such as a printer), check the cable connections and the data transfer parameters
first; if the error source is not found, start the internal test program.
or
haupt_pg.jpg
– Turn off the indicator.
– Press and hold the k key and turn the indicator on again. The test program
starts.
In case of defect, replace the digital PCB.
Some Combics indicators are equipped with D-Sub 25 female connectors, and
some with cable glands; make sure you order the correct PCB for your indicator
(see the illustration on the left).
haupt_25.jpg
72
– After replacing the digital PCB, use the PPLoader program to load the
application software, if necessary.
– Afterwards, enter the model designation and the Serial number of the complete
Combics scale (see pages 63 and 65).
Checking the IP67 Protection
The test procedure and the equipment used have yet to be specified.
Torque Values for Cable Glands and Vent Valve
Cable gland: power cord
Cable gland: optional connections
Cable gland (brass): platform connection
Vent valve
3 Nm
3 Nm (brass: 5 Nm)
5 Nm
1.5 Nm
73
Adjusting the Weighing Platform
Adjusting the Off-center Load
If the weighing platform has only one load cell, the off-center load is not adjusted
in case of error; rather, the load cell must be replaced.
The off-center load is adjusted only in weighing platforms that have four load
cells.
Procedure (Example Illustrated on the Left)
Eckl_2_e.eps
Note:
74
– Place the test weight (12.5 t) on the weighing platform and write down the
weight values measured.
– The load cell with the lowest weight value (12450 ) is the reference load cell.
This load cell does not require adjustment.
– Calculate the difference between the weight value registered by this load cell
and those registered by the other load cells.
– Plot the point of intersection of the calculated off-center load difference
(x-axis) and the test weight (see page 75).
– The adjustment resistance (total) and the best resistor combination can be read
from the y-axis (see the diagram on page 75).
In the example given here, load cell 3 has an off-center loading error of 80 kg,
which yields an adjustment resistance of 1.5 ohm + 0.82 ohm.
– Depending on the resistor combinations of each individual load cell, the
required resistors are activated by disconnecting the corresponding “0-ohm
resistor” (see page 76).
The resistance values detected are based on 350-ohm load cells.
For 700-ohm load cells, double the resistance values.
Diagram: Determining the
Adjustment Resistance
Corner load balancing for 350 ohm load cells
(For 700-ohm load cells the computed value must be doubled)
eckl_2_e.tif
Note:
If a 125 kg test weight is used
(corresponding to the maximum
capacity of the weighing platform)
rather than a 12.5 t test weight,
and the off-center load error is 0.8
kg, for example, then the same
adjustment resistance is set as
when a 12.5 t test weight is used.
75
Off-center Load Adjustment: 0-ohm Resistors (Example)
eckl_4.jpg
0-ohm-resistors and
the corresponding adjustment resistors of
load cell no 4
0-ohm-resistors and
the corresponding adjustment resistors of
load cell no 3
0-ohm-resistors and
the corresponding adjustment resistors of
load cell no 2
0-ohm-resistors and
the corresponding adjustment resistors of
load cell no 1
In the example given on page 75, the two 0-ohm resistors (marked by a white dot) must be removed. This activates the
adjustment resistors (0.82 and 1.5 ohms).
Follow the same procedure to determine the resistance values for load cells 1 and 2, and remove the 0-ohm resistors if
necessary.
The allocation of load cells in the weighing platform to contact on the adjustment PCB can be determined by checking
the wiring in the weighing platform.
Note:
76
On stainless steel models, the IP67 protection must be checked after closing the
junction box.
Setting the Overload Stops
1. Weighing Platforms with One Load Cell: Steel
Loosen the overload stops until the weight value displayed for the load on the
platform begins to decrease (stops touch the load plate support).
Then retract (tighten) the stops by 4 turn.
Platform nominal
capacity in kg
3
6
15
30
60
150
300
Test weight for
middle stops in kg
4
8
20
40
80
200
400
Test weight for
corner stops in kg
4
8
15
30
60
150
300
77
2. Weighing Platforms with One Load Cell: Stainless Steel
Extend (loosen) the overload stops until the weight value displayed for the load on the
platform begins to decrease (i.e., until the stops touch the load plate support).
Platform nominal
capacity in kg
3
6
15
30
60
150
78
Test weight for
middle stops in kg
4
8
20
40
80
200
Test weight for
corner stops in kg
3
6
15
30
60
150
3. Weighing Platforms with Four Load Cells: Steel
Extend (loosen) the overload stops until the weight value displayed for the
load on the platform begins to decrease (i.e., until the stops touch the load
plate support).
Platform nominal
capacity in kg
600
1500
3000
Test weight for
middle stops in kg
n/a
n/a
n/a
Test weight for
corner stops in kg
550
1100
1760
Alternatively, you can use a feeler gauge to adjust the corner stops.
In this case, weights are not required.
Platform nominal
capacity in kg
600
1500
3000
Feeler Gauge
in mm
0.55
0.55
0.55
79
4. Weighing Platforms with Four Load Cells: Stainless Steel
Extend (loosen) the overload stops until the weight value displayed for the load on
the platform begins to decrease (i.e., until the stops touch the load plate support).
Platform nominal
capacity in kg
60
150
300
600
600
1500
3000
Test weight for
middle stops in kg
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Test weight for
corner stops in kg
50
100
200
500 (type: 011275)
550 (type: 011231)
1100
1760
Alternatively, you can use a feeler gauge to adjust the corner stops.
In this case, weights are not required.
Platform nominal
capacity in kg
60
150
300
600
600
1500
3000
80
Feeler Gauge
in mm
0.30
0.30
0.40
0.60 (type: 011275)
0.55 (type: 011231)
0.55
0.55
Repairing the Weighing Platforms
Replacing the Connecting Cable
pg9_04.tif
pg9_01.tif
If the connecting cable (from junction box to Combics indicator) needs to be
replaced on a weighing platform with four load cells, or if the load cell needs to be
replaced on a platform with only one load cell , open the Combics indicator and
disconnect the cable from the terminal strip of the A/D converter.
Unscrew the cable gland; the cable or load cell can now be replaced.
Remove the isolation and connect the new cable:
– Expose approx. 6 cm (2.4 in.) of the wires (3) in the cable.
– Remove the isolation from approx. 1 cm (0.5 in.) of the wires and affix ferrules
to the wire ends.
– Thread the cable through the cable gland.
– The shielding (1) must have contact with the clamps (2). Connection to ground
via the shield.
– Make sure you install the required ferrite ring (see page 71).
– After replacing the cable or load cell, use a torque wrench to tighten the cable
gland to 5 Nm.
fct01_23.eps
Note: On stainless steel models, the IP67 protection must be checked after
closing the junction box.
81
Replacing Load Cells
If an off-center load error is detected (platforms with one load cell), or if the
output signal from the load cell is too high or too low (InF 02 is displayed during
span adjustment), replace the load cell.
Because the mechanical construction of the platforms is basically uncomplicated,
no detailed description of the disassembly procedure is included here.
Important:
– When replacing load cells in a weighing platform with four load cells, lift the
corner using an M16x120 threaded rod to access the cells.
The threaded rod can be obtained from a specialized supplier.
eckl_5.jpg
– When reassembling the weighing platform, make sure to replace any plates that
were under the platform frame.
– When replacing a load cell designated “GWT Type 011275/500 C3”, the three
bushings (two for affixing the load cell; one for the load cell base) must be
removed from the defective load cell and installed in the new load cell. These
bushings are located in bore holes in the load cell.
lastz_1.jpg
82
– When installing the new load cell, make sure any arrow (see the illustration on
the left) always points in the movement of the load cell.
– Tighten the load cells with the required torque.
Torque Values
lastz_2.jpg
lastz_3.jpg
Load cell designation
Torque
Load cell designation
Torque
GWT Type 011231/550 C3
GWT Type 011232/1100 C3
GWT Type 011233/1760 C3
GWT Type 011241/7,5 C3
GWT Type 011242/15 C3
GWT Type 011243/30 C3
GWT Type 011244/50 C3
GWT Type 011245/100 C3
GWT Type 011246/50 C3
GWT Type 011247/100 C3
GWT Type 011248/200 C3
GWT Type 011249/100 C3
GWT Type 011250/200 C3
GWT Type 011251/50 C3
GWT Type 011252/150 C3
GWT Type 011253/250 C3
GWT Type 011272/50 C3
GWT Type 011273/100 C3
GWT Type 011274/200 C3
GWT Type 011275/500 C3
130 Nm
130 Nm
130 Nm
10 Nm
10 Nm
10 Nm
10 Nm
14 Nm
14 Nm
14 Nm
14 Nm
35 Nm
35 Nm
35 Nm
35 Nm
35 Nm
35 Nm
35 Nm
35 Nm
35 Nm
GWT Type 011290/500 C3
GWT Type 011293/7,5 C3
GWT Type 011294/15 C3
GWT Type 011295/30 C3
GWT Type 011296/50 C3
GWT Type 011297/100 C3
GWT Type 011298/200 C3
GWT Type 011299/7,5 C3
GWT Type 011300/15 C3
GWT Type 011301/30 C3
GWT Type 011302/50 C3
GWT Type 011303/100 C3
GWT Type 011304/200 C3
GWT Type 011305/50 C3
GWT Type 011306/100 C3
GWT Type 011307/200 C3
GWT Type 011308/500 C3
GWT Type 011309/550 C3
GWT Type 011310/1100 C3
GWT Type 011311/1760 C3
35 Nm
10 Nm
10 Nm
10 Nm
10 Nm
10 Nm
20 Nm
10 Nm
10 Nm
10 Nm
10 Nm
10 Nm
20 Nm
35 Nm
35 Nm
35 Nm
35 Nm
130 Nm
130 Nm
130 Nm
– After replacing load cells, you need to check the overload stops and adjust
them if necessary (see page 77-80).
83
Pin Assignments in the Junction Box
KABELAN1_e.tif
Color Codes:
Load Cell Cables and Connecting Cable (Weighing Platform to A/D Converter)
Ye (yellow)
Bl (blue)
Gn (green)
Blk (black)
Gr (gray)
Rd (red)
Wh (white)
Note:
84
=
=
=
=
=
=
=
Shield
BR_POS (Bridge supply voltage +)
SENSE_POS (Sense +)
BR_NEG (Bridge supply voltage -)
SENSE_NEG (Sense -)
OUT_NEG (Measuring voltage negative)
OUT_POS (Measuring voltage positive)
The color coding of the connecting cable (junction box to A/D converter) might be
different when connecting a non-Sartorius platform to the Combics indicator.
Replacing the Load Cells foot
– To replace the load cells foot, move the retainer spring to the left hand and right
hand and forth with a screwdriver to push it out.
Color Codes of the Wiring for Weighing Platforms, Models CAPS.../CAPXS...
lastz_2.jpg
Platform size
in
mm
No.:
320 x
240
Wiring Diagram for the Indicator (see page 71)
1
2
3
4
5
6
Blue
Green White
Red
Gray Black
400 x
300
Blue
Green
White
Red
Gray
Black
500 x
400
Blue
Green
White
Red
Gray
Black
650 x
500
Blue
Green
White
Red
Gray
Black
800 x
600
Blue
Green
White
Red
Gray
Black
1000 x
1000
Blue
Green
White
Red
Gray
Black
1250 x
1000
Blue
Green
White
Red
Gray
Black
1500 x
1250
Blue
Green
White
Red
Gray
Black
1500 x
1500
Blue
Green
White
Red
Gray
Black
2000 x
1500
Blue
Green
White
Red
Gray
Black
85
Error Codes
Error codes are shown on the main display. Err codes are shown continuously; Inf messages are shown for 2 seconds,
after which the program returns automatically to the weighing mode.
Display
Err 101 - 104
Err 320
Err 335
Err 340
Err 341
Err 343
Inf 01
Inf 02
Inf 03
Inf 06
86
Cause
Key is stuck
Key pressed at power on
Program memory defective
Verified weighing platform not compatible
with the connected terminal
Operating parameter memory (EEPROM) defective
Data lost from RAM; battery needs to be recharged
Data lost from the memory module
for transaction numbers in external alibi memory
Data output not compatible with output format
Calibration/adjustment condition
not met; for example, not tared or
there is a load on the weighing pan
Adjustment could not
be completed within a certain time
Built-in calibration weight defective
Solution
Release key or
Contact your local Sartorius Service Center
Contact your local Sartorius Service Center
Connect a compatible weighing platform
Turn the scale off and then on again
If Err 340 is still displayed, contact
your local Sartorius Service Center
Leave the scale power on for at least 10 hrs.
Contact your local Sartorius Service Center
Change the menu settings
Calibrate only when zero is displayed.
Press ) to tare
Unload the scale
Allow the scale to warm up again and then
repeat the adjustment process
Contact your local Sartorius Service Center
Display
Inf 07
Inf 08
Inf 09
Inf 10
Inf 22
Inf 23
Inf 29
Inf 30, 31
Inf 71
Inf 72
Inf 73
Cause
Solution
Function not allowed in scales
Contact your local Sartorius Service Center
verified for use in legal metrology
for details on changing settings
The load on the scale is too heavy to zero the readout Check whether “Tare/zero at power on” is set (1.12)
Taring is not possible when the gross weight
Zero the scale
is a minus value
Tare key is blocked when there
The data stored in the 2nd tare memory
is data in the tare memory
(Combics 2 only) must be deleted (clear
the memory) before taring
Error in storing reference value, load is too light
Put a heavier weight on the scale
Error in initializing an application
Contact your local Sartorius Service Center
Minimum load not reached
Change menu, or perform “Close” function check
the interface and cable of the connected devicen
Contact your local Sartorius Service Center
Indicator is in the xBPI-mode
Define a lower value for the minimum load
(in the Application settings, menu item 3.6)
Cannot store the current weight value
None
(e.g., if control limits are too low or too high)
Cannot store the current weight value
None
(e.g., the transaction counter has reached its limit)
Data not found or unreadable
Contact your local Sartorius Service Center
87
Display
Inf 74
Inf 98
Inf 99
NO WP
88
Cause
Function is blocked (e.g., menu is locked)
No weighing platform connected
No weighing platform connected
No weighing platform connected
Solution
None
Connect weighing platform
Connect weighing platform
Connect weighing platform
Service Specification CW...-L / CAP...-L / CAPX...-L
Example for the order number of a Combics full range scale: CW1P4-1500RR-L (Type Designation see page 94-95)
CW1
CAP
CAPX
Material |
Design
Number of
load cells
P
P
S
4
4
4
Reproducibility
Model
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
CW.../ CAP...-L
CAPXS...-L
Weighing
capacity
Readability
Test
w eight
Perm issible
tolerance
s
Weighing
Capacity (kg)
Off-center load
Eccentricity
Test
w eight
Perm issible
tolerance
(±)
Platform size
mm | order code
1500
1500
1500
RR
RR
RR
Adjustm .
w eight
Test
w eight
Perm issible
tolerance
(±)
1 kg 0,0006 kg
1 kg
0,001 kg M1
1 kg
3 kg
0,002
kg
6 kg 0,0005 kg
2 kg 0,0015 kg
2 kg
0,002 kg M1
2 kg
6 kg
0,004
kg
15 kg
0,001 kg
5 kg
0,003 kg
5 kg
0,005 kg M1
5 kg
15 kg
0,01
kg
30 kg
0,002 kg
10 kg
0,006 kg
10 kg
0,01 kg M1
10 kg
30 kg
0,02
kg
60 kg
0,005 kg
20 kg
0,015 kg
20 kg
0,02 kg M1
20 kg
60 kg
0,04
kg
150 kg
0,01 kg
20 kg
0,03 kg
50 kg
0,05 kg M1
50 kg
150 kg
0,1
kg
300 kg
0,02 kg
50 kg
0,06 kg
100 kg
0,1 kg M1
100 kg
300 kg
0,2
kg
600 kg
0,05 kg
500 kg
0,15 kg
200 kg
0,2 kg M1
200 kg
600 kg
0,4
kg
1500 kg
0,1 kg
500 kg
0,3 kg
500 kg
0,5 kg M1
500 kg
1500 kg
1
kg
0,2 kg
500 kg
0,6 kg
1000 kg
1 kg M1
1000 kg
3000 kg
L
L
L
Linearity
3 kg 0,0002 kg
3000 kg
Resolution
-
Span
Class
Applications
2
kg
Tarew eight
--(1)
--(2)
--(5)
--(10)
--(20)
--(50)
--(100)
--(200)
--(500)
--(1000)
Perm issible
tolerance
(±)
Testw eight
TCS
iso CAL
ppm
/K
K
kg
0,7/1,5/2,2/3
kg
0,001
kg
10
n
kg
1,5/3/4/6
kg
0,002
kg
10
n
kg
3/7/11/15
kg
0,005
kg
10
n
kg
7/15/22/30
kg
0,01
kg
10
n
kg
15/30/45/60
kg
0,02
kg
10
n
kg
30/70/110/150
kg
0,05
kg
10
n
kg 70/150/220/300
kg
0,1
kg
10
n
kg 150/300/450/600 kg
0,2
kg
10
n
kg
300/700/
1100/1500
kg
0,5
kg
10
n
kg
700/1500/
2200/3000
kg
1
kg
10
n
89
Service Specification CW...-I / CAP...-I / CAPX...-I
Example for the order number of a Combics full range scale: CW2P1-60FE-I (Type Designation see page 94-95)
CW2
CAP
CAPX
Material |
Design
Number of
load cells
P
P
S
1
1
1
Reproducibility
Model
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
CW.../ CAP...-I
CAPXS...-I
90
Weighing
capacity
Readability
Test
w eight
Perm issible
tolerance
s
Weighing
Capacity (kg)
Off-center load
Eccentricity
Test
w eight
Perm issible
tolerance
(±)
Platform size
mm | order code
60
60
60
FE
FE
FE
Adjustm .
w eight
Test
w eight
I
I
I
Linearity
Perm issible
tolerance
(±)
3 kg 0,0001 kg
1 kg 0,0006 kg
1 kg
0,001 kg M1
1 kg
3 kg 0,002
kg
6 kg 0,0002 kg
2 kg 0,0015 kg
2 kg
0,002 kg M1
2 kg
6 kg 0,004
kg
5 kg
0,003 kg
5 kg
0,005 kg M1
5 kg
15 kg
0,01
kg
15 kg 0,0005 kg
Resolution
-
Span
Class
Applications
30 kg
0,001 kg
10 kg
0,006 kg
10 kg
0,01 kg M1
10 kg
30 kg
0,02
kg
60 kg
0,002 kg
20 kg
0,015 kg
20 kg
0,02 kg M1
20 kg
60 kg
0,04
kg
150 kg
0,005 kg
20 kg
0,03 kg
50 kg
0,05 kg M1
50 kg
150 kg
0,1
kg
300 kg
0,01 kg
50 kg
0,06 kg
100 kg
0,1 kg M1
100 kg
300 kg
0,2
kg
600 kg
0,02 kg
500 kg
0,15 kg
200 kg
0,2 kg M1
200 kg
600 kg
0,4
kg
1500 kg
0,05 kg
500 kg
0,3 kg
500 kg
0,5 kg M1
500 kg
1500 kg
1
kg
3000 kg
0,1 kg
500 kg
0,6 kg
1000 kg
1 kg M1
1000 kg
3000 kg
2
kg
Tarew eight
--(1)
--(2)
--(5)
--(10)
--(20)
--(50)
--(100)
--(200)
--(500)
--(1000)
Perm issible
tolerance
(±)
Testw eight
TCS
iso CAL
ppm
/K
K
kg 0,7/1,5/2,2/3
kg
0,001 kg
10
n
kg
1,5/3/4/6
kg
0,002 kg
10
n
kg
3/7/11/15
kg
0,005 kg
10
n
kg
7/15/22/30
kg
0,01
kg
10
n
kg
15/30/45/60
kg
0,02
kg
10
n
kg 30/70/110/150 kg
0,05
kg
10
n
kg 70/150/220/300 kg
0,1
kg
10
n
0,2
kg
10
n
0,5
kg
10
n
1
kg
10
n
150/300/450/60
kg
kg
0
300/700/
kg
kg
1100/1500
700/1500/
kg
kg
2200/3000
Service Specification CW...-LCE / CAP...-LCE / CAPX...-LCE
Example for the order number of a Combics full range scale: CW2P1-300FE-LCE (Type Designation see page 94-95)
CW2
CAP
CAPX
Material |
Design
Number of
load cells
P
P
S
1
1
1
-
Reproducibility
Model
Weighing
capacity
Readability
Test
w eight
Weighing
Capacity (kg)
Perm issible
tolerance
s
Off-center load
Eccentricity
Test
w eight
Perm issible
tolerance
(±)
Platform size
mm | order code
300
300
300
FE
FE
IG
Adjustm .
w eight
Test
w eight
Perm issible
tolerance
(±)
3 kg
0,001 kg
1 kg
0,001 kg
1 kg
0,001 kg M1
1 kg
3 kg
0,002
kg
CW.../ CAP...-LCE
CAPXS...-LCE
6 kg
0,002 kg
2 kg
0,002 kg
2 kg
0,002 kg M1
2 kg
6 kg
0,004
kg
CW.../ CAP...-LCE
CAPXS...-LCE
15 kg
0,005 kg
5 kg
0,005 kg
5 kg
0,005 kg M1
5 kg
15 kg
0,01
kg
30 kg
0,01 kg
10 kg
0,01 kg
10 kg
0,01 kg M1
10 kg
30 kg
0,02
kg
60 kg
0,02 kg
20 kg
0,02 kg
20 kg
0,02 kg M1
20 kg
60 kg
0,04
kg
150 kg
0,05 kg
20 kg
0,05 kg
50 kg
0,05 kg M1
50 kg
150 kg
0,1
kg
CW.../ CAP...-LCE
CAPXS...-LCE
300 kg
0,1 kg
50 kg
0,1 kg
100 kg
0,1 kg M1
100 kg
300 kg
0,2
kg
CW.../ CAP...-LCE
CAPXS...-LCE
600 kg
0,2 kg
500 kg
0,2 kg
200 kg
0,2 kg M1
200 kg
600 kg
0,4
kg
CW.../ CAP...-LCE
CAPXS...-LCE
CW.../ CAP...-LCE
CAPXS...-LCE
1500 kg
3000 kg
0,5 kg
1 kg
500 kg
500 kg
0,5 kg
1 kg
500 kg
1000 kg
0,5 kg M1
1 kg M1
500 kg
1000 kg
1500 kg
3000 kg
LCE
LCE
LCE
Linearity
CW.../ CAP...-LCE
CAPXS...-LCE
CW.../ CAP...-LCE
CAPXS...-LCE
CW.../ CAP...-LCE
CAPXS...-LCE
CW.../ CAP...-LCE
CAPXS...-LCE
Resolution
-
Span
Class
Applications
1
2
kg
kg
Tarew eight
--(1)
--(2)
--(5)
--(10)
--(20)
--(50)
--(100)
--(200)
--(500)
--(1000)
Perm issible
tolerance
(±)
Testw eight
TCS
iso CAL
ppm
/K
K
kg
0,7/1,5/2,2/3
kg
0,002
kg
10
n
kg
1,5/3/4/6
kg
0,004
kg
10
n
kg
3/7/11/15
kg
0,01
kg
10
n
kg
7/15/22/30
kg
0,02
kg
10
n
kg
15/30/45/60
kg
0,04
kg
10
n
kg 30/70/110/150 kg
0,1
kg
10
n
kg 70/150/220/300
kg
0,2
kg
10
n
kg 150/300/450/600 kg
0,4
kg
10
n
kg
300/700/
1100/1500
kg
1
kg
10
n
kg
700/1500/
2200/3000
kg
2
kg
10
n
91
Service Specification CW...-NCE / CAP...-NCE / CAPX...-
(page1-2)
Example for the order number of a Combics full range scale: CW2P1-6DC-NCE (Type Designation see page 94-95)
CW2
CAP
CAPX
Material |
Design
Number of
load cells
S
S
S
1
1
1
Reproducibility
Model
CW.../CAP...-NCE
CAPXS1-3...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-6...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-15...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-30...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-60...Weighing Capacity 1/
Weighing Capacity 2
92
Weighing
capacity
Readability
1,5
0,0005
kg
kg
3
0,001
3
kg
6
6
kg
15
0,001
kg
0,002
0,002
kg
0,005
Test
w eight
1 kg
2 kg
5 kg
Perm issible
tolerance
s
0,001 kg
0,002 kg
0,005 kg
Weighing
Capacity (kg)
-
6
6
6
Off-center load
Eccentricity
Test
w eight
1 kg
2 kg
5 kg
Perm issible
tolerance
(±)
Platform size
mm | order code
DC
DC
DC
0,001 kg M1
0,002 kg M1
0,005 kg M1
Adjustm .
w eight
1 kg
2 kg
5 kg
Test
w eight
1,5
kg
3
3
kg
6
6
kg
15
0,005
kg
0,01
10 kg
0,01 kg
10 kg
0,01 kg M1
10 kg
15
kg
30
Perm issible
tolerance
(±)
0,001
0,002
0,002
0,004
0,004
0,01
kg
kg
kg
Tarew eight
--(1)
(0,5)
--(2)
(1)
--(5)
0,01
0,02
kg
--(10)
0,01
kg
0,02
20 kg
0,02 kg
20 kg
0,02 kg M1
20 kg
30
kg
60
0,02
0,04
kg
--(20)
(10)
Perm issible
tolerance
(±)
Testw eight
TCS
iso CAL
ppm
/K
K
kg
0,3/0,7/1,1/1,5
1,5/3
DKD
0,7/1,5/2,2/3
kg
0,001
0,002
kg
10
n
kg
0,7/1,5/2,2/3
3/6
DKD
1,5/3/4/6
kg
0,002
0,004
kg
10
n
kg
1,5/3/4/6
7/15
DKD
3/7/11/15
kg
0,004
0,01
kg
10
n
kg
3/7/11/15
15/30
DKD
7/15/22/30
kg
0,01
0,02
kg
10
n
kg
7/15/22/30
30/60
DKD
15/30/45/60
kg
0,02
0,4
kg
10
n
(5)
30
kg
60
NCE
NCE
NCE
Linearity
(2)
15
kg
30
Resolution
-
Span
Class
Applications
Service Specification CW...-NCE / CAP...-NCE / CAPX...-
(page2-2)
Example for the order number of a Combics full range scale: CW2P4-3000WR-NCE (Type Designation see page 94-95)
CW2
CAP
CAPX
Material |
Design
Number of
load cells
P
P
S
4
4
4
-
Reproducibility
Model
CW.../CAP...-NCE
CAPXS1-150...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-300...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-600...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-1500...Weighing Capacity 1/
Weighing Capacity 2
CW.../CAP...-NCE
CAPXS1-3000...Weighing Capacity 1/
Weighing Capacity 2
Weighing
capacity
60
kg
150
Readability
0,02
kg
0,05
Test
w eight
20 kg
Weighing
Capacity (kg)
Perm issible
tolerance
s
0,05 kg
Off-center load
Eccentricity
Test
w eight
50 kg
Perm issible
tolerance
(±)
Platform size
mm | order code
3000
3000
3000
WR
WR
WR
0,05 kg M1
Adjustm .
w eight
50 kg
Test
w eight
60
kg
150
0,05
kg
0,1
50 kg
0,1 kg
100 kg
0,1 kg M1
100 kg
150
kg
300
Perm issible
tolerance
(±)
0,04
0,1
kg
Tarew eight
--(50)
0,1
0,2
kg
--(100)
600
kg
1500
1500
kg
3000
0,1
kg
0,2
0,2
kg
0,5
0,5
kg
1
100 kg
500 kg
500 kg
0,2 kg
0,5 kg
1 kg
200 kg
500 kg
1000 kg
0,2 kg M1
0,5 kg M1
1 kg M1
200 kg
500 kg
1000 kg
300
kg
600
600
kg
1500
1500
kg
3000
0,2
0,4
0,4
1
1
2
kg
--(200)
(100)
--(500)
kg
(200)
--(1000)
kg
Perm issible
tolerance
(±)
Testw eight
TCS
iso CAL
ppm
/K
K
kg
15/30/45/60
70/150
DKD
30/70/110/150
kg
0,04
0,1
kg
10
n
kg
30/70/110/150
150/300
DKD
70/150/220/300
kg
0,1
0,2
kg
10
n
kg
70/150/220/300
300/600
DKD
150/300/450/600
kg
0,2
0,4
kg
10
n
kg
0,4
1
kg
10
n
kg
1
2
kg
10
n
(50)
300
kg
600
NCE
NCE
NCE
Linearity
(20)
150
kg
300
Resolution
-
Span
Class
Applications
150/300/450/600
700/1500
DKD
kg
300/700/
1100/1500
300/700/
1100/1500
1500/3000
kg
DKD
700/1500/
93
Type Designation
Here is an example of how to put together
order numbers. CW1P1-60 FE-LCE means
the following:
Complete Combics scale with indicator 1
With one load cell
A maximum, single-range weighing capacity
of 60 kg
A platform size of 500 x 400 mm
A resolution of 3,000 e for accuracy class l
(CW1P...);
(...1...);
(...60...);
(...FE...); and
(...LCE)
Complete Combics scale
CW1P
Indicator with 20 mm LCD, backlit;
RS-232C interface port as a standard
feature; port for optional battery operation.
Indicator material: stainless steel
Type of protection: IP44
CW2P
With selectable application programs.
Indicator with 20 mm LCD, backlit; integrated
LEDs (red-green-yellow) for checkweighing
or classification; RS-232C interface port as
a standard feature; port for bar code scanner
or optional battery pack.
Applications
Material |
Design
Number of
load cells
CW1
P
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
94
-
Applications: weighing; counting; checkweighing; classification into 3 or 5 classes;
totalizing; net-total formulation; filling;
weighing in percent; neutral measurement;
animal weighing. Indicator material: stainless
steel. Type of protection: IP 44.
Capacity (kg)
Platform size
mm | order code
60
FE
3 kg
6 kg
15 kg
30 kg
60 kg
150 kg
300 kg
600 kg
1,500 kg
3,000 kg
Resolution
-
LCE
300+240
300+240
300+240
400+300
500+400
400+300
500+400
650+500
800+600
500+400
650+500
800+600
650+500
800+600
(DC)
(DC)
(DC)
(ED)
(FE)
(ED)
(FE)
(GF)
(IG)
(FE)
(GF)
(IG)
(GF)
(IG)
L
15,000 d
1,000+1,000
1,250 +1,000
1,500 +1,250
1,500 +1,500
2,000 +1,500
1,000 +1,000
1,250 +1,000
1,500 +1,250
1,500 +1,500
2,000+1,500
1,000 +1,000
1,250 +1,000
1,500 +1,250
1,500 +1,500
2,000 +1,500
1,000 +1,000
1,250 +1,000
1,500+1,250
1,500 +1,500
2,000 +1,500
(LL)
(NL)
(RN)
(RR)
(WR)
(LL)
(NL)
(RN)
(RR)
(WR)
(LL)
(NL)
(RN)
(RR)
(WR)
(LL)
(NL)
(RN)
(RR)
(WR)
NCE
2+3,000 e
(verification scale
intervals in
multiplerange
scales)
I
30,000 d
LCE
3,000 e
(verification scale
intervals)
CW2S4-1500RR-L, our example
of a complete, stainless steel scale,
means the following:
Complete Combics stainless steel scale
with indicator 2
With four load cells
A maximum, single-range weighing capacity
of 1,500kg
A platform size of 1,500+1,500 mm
A resolution of 15,000 digits
(CW2S…);
(…4…),
(…1500…);
(…RR…); and
(…L)
Complete Combics stainless steel scale
CW1S
Indicator with 20 mm LCD, backlit;
RS-232C interface port as a standard feature;
port for optional battery operation.
Indicator material: made entirely
of stainless steel
Type of protection: IP67
CW2S
With selectable application programs.
Indicator with 20 mm LCD, backlit; integrated
LEDs (red-green-yellow) for checkweighing
or classification; RS-232C interface port as
a standard feature; port for bar code scanner
or optional battery pack.
Applications
Material |
Design
Number of
load cells
CW2
S
4
1
1
1
1
1
1
1
1
1
1
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
-
Applications: weighing; counting; checkweighing; classification into 3 or 5 classes; totalizing;
net-total formulation; filling; weighing in percent; neutral measurement; animal weighing.
Indicator material: completely made of stainless steel. Type of protection: IP67.
Capacity (kg)
Platform size
mm | order code
1500
RR
3 kg
6 kg
15 kg
30 kg
60 kg
150 kg
300 kg
600 kg
1,500 kg
3,000 kg
Resolution
-
300+240
300+240
300+240
400+300
500+400
400+300
500+400
650+500
800+600
500+400
(DC)
(DC)
(DC)
(ED)
(FE)
(ED)
(FE)
(GF)
(IG)
(FE)
650+500
800+600
650+500
800+600
1,000 +1,000
1,250 +1,000
1,500 +1,250
1,500 +1,500
2,000+1,500
800+600
1,000 +1,000
1,250 +1,000
1,500+1,250
1,500 +1,500
2,000 +1,500
1,000+1,000
1,250 +1,000
1,500 +1,250
1,500 +1,500
2,000 +1,500
1,000 +1,000
1,250 +1,000
1,500 +1,250
1,500 +1,500
2,000 +1,500
(GF)
(IG)
(GF)
(IG)
(LL)
(NL)
(RN)
(RR)
(WR)
(IG)
(LL)
(NL)
(RN)
(RR)
(WR)
(LL)
(NL)
(RN)
(RR)
(WR)
(LL)
(NL)
(RN)
(RR)
(WR)
L
L
15,000 d
I
30,000 d
LCE
3,000 e
(verification scale
intervals)
NCE
2+ 3,000 e
(verification scale
intervals in
multiplerange
scales)
95
When to Use Which Procedure
Combics Indicators and Complete Combics Scales
Activate the service mode
to perform all adjustments
Important:
All adjustments required after repair work (such as
replacement of the A/D converter or the load cells) are
performed using the terminal.
The Sartocas service software is not required for these adjustments.
Using this software, however, can make some adjustments
unnecessary (see „Use Sartocas software“ below).
Activate the BPI mode
to load a modified data record in the controller
of the A/D converter
Activate the xBPI protocal
to perform calibration and adjustment, if necessary
using Sartocas
Use Sartocas software
- to reactivate the SBI protocol by selecting the „Close“
command on the Combics terminal (or by restoring
factory defaults (menu line 9-1)
- to program a new A/D converter PCB with data read from the old PCB
The necessary adjustments and customer specific menu settings
are not necessary
96
See page 15
See page 13
See page 14
Use PPLoader software
Drift, display
Inf 02 when starting an
adjustment routine
Display blank (dark)
No communication with
connected equipment
to update the application software in the terminal
to check the A/D converter (quick-test)
or with the strain-gauge simulator,
check load cell(s) with the load cell tester
Disconnect the equipment from the power supply and
disconnect all cables and wires from the subassemblies,
connect equipment to power again, connect subassemblies
in turn and measure voltages
See page 71
See pages 68-70
Check connections and data transfer parameters;
start internal test program; if necessary, replace
97
CAPXS… Explosion-Protected Models
Warning!
Only technicians with EX authorization and certification may service this
explosion-protected (EX) equipment. Afterwards, the scales must be resealed
using the adhesive EX control marks with the technician’s personal ID printed
on them.
Service Concept:
On EX models, only the complete subassemblies and not the components are
exchanged. After you have exchanged a subassembly, such as the PCB or
display unit, you may not perform any high-voltage tests because the scales
still have a potential field. A high-voltage test would destroy the electronic
components!
Important Note:
For hazardous areas, weighing platforms are available in the stainless steel versions
only.
What Is Different in Comparison to Other EX Models?
Ex manufacturer’s type labels are on the equipment
AUT_9863a.jpg
AUT_9852a.jpg
98
The grounding terminal is identified by
a grounding (earthing) symbol.
AUT_9859a.jpg
AUT_9851a.jpg
The load cells are made of stainless steel and
designated as EX (see right side).
The spare part numbers are different.
There are platforms with 4 load cells (see left
side); see photo showing the type of one of
the load cells installed (see right side).
The junction box and the pin assignment of
the cables are identical.
The output cable routed to the indicator is
identified by blue shrink-on tubing.
There is a platform with 1 load cell (see left
side); see photo showing the type of load cell
installed (see right side)
AUT_9865a.jpg
AUT_9871a.jpg
The service (calibration and adjustment) data
are identical.
AUT_9861a.jpg
Warning!
Only an EX indicator may be connected to
the platform scale.
AUT_9868a.jpg
99
Adjusting the Weighing Platform
Version with the junction box (5)
Part no. 57004-428-01
The illustration on the left shows
GF frame 650x500
1.
2.
3.
4.
5.
Load cell
Load cell
Load cell
Load cell
Junction
2
3
1
2
3
4
box
5
4
100
1
Junction Box
Junction box; open.
1.1
2.1
3.1
4.1
5.1
4.1
Cable to load cell 1
Cable to load cell 2
Cable to load cell 3
Cable to load cell 4
Connecting cable for A/D
converter / indicator
5.1
3.1
2.1
1.1
Pin assignment for
connecting cable 5.1
Aut15158.jpg
101
Pin Assignments in the Junction Box
Color Coding
Connecting cable from the junction box (terminals) to the A/D converter/
indicator.
See below for the colors of the wires; the casing is gray.
Note:
102
Colors:
Ye (yellow)
Function:
Shield
Terminal:
=
Bl (blue)
=
BR_POS (Bridge supply voltage +)
Supply +
Blk (black)
=
BR_NEG (Bridge supply voltage -)
Supply -
Gn (green)
=
SENSE_POS (Sense +)
Sense +
Gr (gray)
=
SENSE_NEG (Sense -)
Sense -
Rd (red)
=
OUT_NEG (Measuring voltage negative)
Signal -
Wh (white)
=
OUT_POS (Measuring voltage positive)
Signal +
To connect the cable, the wires must be connected to the inner terminals
(marked in the illustration on page 101).
The color coding of the connecting cable (A/D converter / indicator to junction
box) might be different when connecting a non-Sartorius platform to the
Combics indicator.
Cable from the load cell to the junction box (terminals).
See below for the colors of the wires; the casing is gray.
Colors:
Function:
Terminal:
Ye (yellow)
=
Shield
Bl (blue)
=
BR_POS (Bridge supply voltage +)
Supply +
Blk (black)
=
BR_NEG (Bridge supply voltage -)
Supply -
Gn (green)
=
SENSE_POS (Sense +)
Gr (gray)
=
SENSE_NEG (Sense -)
Sense -
Rd (red)
=
OUT_NEG (Measuring voltage negative)
Signal -
Wh (white)
=
OUT_POS (Measuring voltage positive)
Signal +
Sense +
The terminal strip designations and the order of the terminals (1 - 4) are
marked on the PCB.
The sequence of the pin assignments of the terminals (1 - 4) should run from
the outside to the inside.
103
Adjusting the Off-center Load
If the weighing platform has only 1 load cell, the off-center load is not
adjusted in case of error. The load cell must be replaced.
The off-center load is adjusted only in weighing platforms that have 4 load
cells.
Mechanical asymmetries can result in off-center loading errors that exceed
permissible tolerance limits. Such errors must be compensated by soldering
resistors to the PCB in the junction box.
Aut15159_a_.jpg
Note:
The 4 solder bridges for the resistors are short-circuited at the factory (see the
illustration on the left; note the 4 solder bridges and the sequence of the load
cells).
Correct installation and precise adjustment of the load cells are essential for
accurate measured results, and determine to a great extent the reaction of the
equipment to off-center loads.
In the event of any off-center loading error, always check the installation and
adjustment of the load cell before taking any other steps.
To minimize the off-center loading error, use the load cell with the lowest
readout value as a reference. Then adjust the other load cells to this value by
adding resistors.
104
Determining Resistance Values
- Place the test weight on each load cell in turn and write down each
displayed value.
- Using the lowest displayed value as the basis, calculated the resistance
values for the other load cells in accordance with the following equation:
Equation:
R
R(0) x G(D) / G(T)
=
R
= required resistance (in ohms)
R(0)
= Initial resistance in the load cell being adjusted (in ohms),
measured between Signal + (OUT_POS, positive measuring voltage) and
Signal - (OUT_NEG, negative measuring voltage).
G(D)
= Difference between lowest off-center loading error (from reference
load
cell) and the off-center load value displayed for the weigh cell (in kg).
G(T) =
Test weight applied (in kg)
105
- Solder the required resistor into the bridge of the load cell being adjusted.
- Then perform calibration/adjustment again.
Selecting the Adjustment Resistor:
Diagram 1
Adjusting Off-center Load with 350 Ohms Initial Resistance
6
20 kg
50 kg
100 kg
200 kg
5,5
5
Test
weight
(in kg)
Adjustment resistor (in ohms)
4,5
4
500 kg
3,5
20 kg
50 kg
100 kg
3
200 kg
500 kg
1000 kg
2,5
2
1000 kg
1,5
1
0,5
0
0
0,5
1
1,5
2
2,5
Off-center load (in kg)
106
3
3,5
4
4,5
5
Diagram 2
20 kg
50 kg
Adjusting Off-center Load with 350 Ohms Initial Resistance
100 kg
6
200 kg
500 kg
5,5
5
Adjustment resistor (in ohms)
4,5
Test
weight
[in kg]
1000 kg
4
20 kg
3,5
3
50 kg
100 kg
200 kg
500 kg
1000 kg
Test weight
2,5
2
1,5
1
0,5
0
0
0,5
1
1,5
2
2,5
3
3,5
4
Off-center load (in kg)
107
Sample Calculation Based on Diagram 1
Initial resistance in the load cell: 350 ohms.
- Test weight: 500 kg
- Readout for reference load cell = 498 kg (load cell with the lowest readout
value).
- Readout for load cell being adjusted = 503 kg
- G(D) = 5 kg
R = R(0) x G(D)
G(T)
R = 350 ohms x 5 kg
500 kg
R = 3.5 ohms
In this example, note that the test weight (500 kg) is also distributed over the
other load cells, which means that the weight on the load cell being tested is
somewhat lighter. To compensate for this effect, always use the next higher
resistor value.
R = 3.9 ohms
108
(resistor to be installed)
Resistors available in the E24 series (+/- 5%):
Part no.
57004
57004
57004
57004
57004
57004
57004
57004
57004
57004
57004
-
433
434
435
436
437
438
439
440
441
442
443
-
01
01
01
01
01
01
01
01
01
01
01
0.39
0.82
1.20
1.60
2.00
2.70
3.00
3.30
3.90
4.70
5.60
ohms
ohms
ohms
ohms
ohms
ohms
ohms
ohms
ohms
ohms
ohms
A set of the resistors listed here (containing 3 of each type) can be ordered
under part no. 69CW0106.
Note:
On stainless steel models, the IP67 protection must be checked after closing the
junction box.
109
Sartorius AG
Weender Landstrasse 94–108
37075 Goettingen, Germany
Phone +49.551.308-0
Fax +49.551.308-4440
www.sartorius.com
e-mail: Int.Service@Sartorius.com
Copyright by Sartorius AG, Goettingen, Germany.
All rights reserved. No part of this publication
may be reprinted or translated in any form or by
any means without the prior written permission
of Sartorius AG.
The status of the information, specifications and
illustrations in this manual is indicated by the date
given below. Sartorius AG reserves the right to
make changes to the technology, features,
specifications, and design of the equipment
without notice.
Status: October 2004, Sartorius AG, Goettingen, Germany
Printed in Germany on paper that has been
bleached without any use of chlorine · W1A000 · I.K.
Publication No.: WCI5001-e04106