AD-4531B Digital Indicator Simplified Instruction Manual

AD-4531B
Digital Indicator
5. FRONT PANEL
Simplified Instruction Manual
Do not touch the instrument immediately after it is disconnected
from the power supply.
To avoid electrical shock, do not touch the internal part of the instrument
within ten seconds after disconnecting from the power supply.
Be sure to fasten all the screws completely.
Loose screws may come off during operation and a short circuit
may occur or measurement errors may occur due to noise.
2. EXTERNAL DIMENSIONS
94.8
Min. 120
1
2
3
6. REAR PANEL
Relay output RS-232C/RS-485 Analog output
4 3 2 1
5 4 3 2 1
3 2 1
Display
Keys
4
5
92 +0.8
-0
45 +0.6
-0
Min. 70
1 2 3 4 5 6 7 1 2 3 456
Load cell
Control input/output
5.1. Display
Displays a measured or set value. To set the decimal point position, use
the function mode Cf-01. The display is composed of six seven-segment
LEDs plus a minus sign.
1 2
AC
Confirm the terminal numbers when making connections.
When making connections, confirm the terminal
numbers printed on the top of the indicator case.
5.2. Status Indicators
Name
Panel cutout dimensions / Spacing
*Maintain the intervals above when installing
© 2013 A&D Company, Limited. All rights reserved.
No part of this publication may be reproduced, transmitted,
transcribed, or translated into any language in any form by any
means without the written permission of A&D Company, Limited.
(138.4)
119.3
The contents of this manual and the specifications of the
instrument covered by this manual are subject to change for
improvement without notice.
48
This is a simplified instruction manual. For a detailed
instruction manual, visit the A&D website.
URL: http://www.aandd.jp/
96
44.6
8.2
Unit: mm
1
HI
2
OK
3
LO
4
5
DZ
HOLD
Description
Turns on when the measured value is greater than the
upper limit (HI).
Turns on when the measured value is equal to or greater
than the lower limit and equal to or less than the upper
limit.
Turns on when the measured value is less than the
lower limit (LO).
Turns on when adjusting the zero value. (Digital zero)
Turns on when a value is being held.
5.3. Keys
Operation
3. GENERAL SPECIFICATIONS
Voltage requirement:
Power requirement:
Sensor power supply
1WMPD4002617
Operating temperature:
Operating humidity:
1. BEFORE USE
The AD-4531B digital indicator is a precision instrument. Unpack the
digital indicator carefully and confirm that all items are present.
External dimensions:
Panel cutout:
Spacing:
Weight:
100 VAC to 240 VAC (50/60 Hz)
Approx. 10 VA
5 volt, 120 Ω, one sensor maximum
5 volt, 350 Ω, three sensors maximum
-10 °C to +40 °C
Max. 85% RH (no condensation)
The AD-4531B is a precision instrument. Handle it with much care.
Avoid water and moisture.
Avoid vibration, shock, extremely high temperature and humidity,
direct sunlight, dust and air containing salt or sulfurous gases.
Avoid places where inflammable gases or vapors are present.
The operating temperature range is –10 °C to +40 °C.
A 100 VAC to 240 VAC power source is required. Use a stable
power supply free from sudden dropout or noise as they can cause
malfunctions. Avoid sharing the power line.
Keep cables away from power cables and other sources of
electrical noise.
Connect only a non-inductive load of 10 kΩ or more to the analog
voltage output terminals.
Connect only a non-inductive load of 510 Ω or less to the analog
current output terminals.
When connecting long cables to the sensors, keep the cables
away from power cables and other sources of electrical noise
Do not connect the AD-4531B to the power supply before
installation is completed. The AD-4531B has no switch to turn the
power off.
Use shielded load cell cables.
Do not connect too many sensors. Otherwise, instrument damage may occur.
Press to turn the digital zero function off.
Press to turn the hold function on or off.
When inputting a numerical value, press to
change the blinking digit or change the
function parameter.
Press to output the serial data (print).
When inputting a numerical value, press to
enter the setting.
4.1. Options
AD-4530-200:
AD-4530-030:
AD-4530-040:
AD-4530-007:
AD-4530-237:
AD-4530-247:
Relay output
RS-485
RS-232C
Analog output
Relay output, RS-485, analog output
Relay output, RS-232C, analog output
Note: Only one option can be installed in the AD-4531B at a time.
4.2. Installing an Option
1. Remove the two screws that secure the guide rail, and then remove the
guide rail.
2. Remove the two screws that secure the case.
Pull the case out of the front panel (holding it as shown).
4. Remove unnecessary blank panels with nippers, etc.
5. Insert the option board at the position specified on the rear of the front
panel.
6. Reattach the case and guide rail by reversing the steps above.
Front panel
The AD-4531B is a precision instrument that measures the microvolt
output from sensors. Prevent noise sources such as power lines,
radios, electric welders or motors from affecting the instrument.
Do not try to modify the AD-4531B.
In all hold modes, the hold data is saved digitally, so there is no
drooping of the value displayed on the display panel or the analog
output. Note that the hold function is disabled when the AD-4531B
is disconnected from the power supply.
-1-
+
4. OPTIONS
1.2. Precautions During Use
Disconnect from the power supply before removing the cover.
When removing the cover, make sure that the power is
disconnected.
Press to turn the digital zero function on.
When inputting a numerical value, press to
shift the position of the blinking digit to the
right or change the function group.
96 x 48 x 127.5 mm (W x H x D)
92 x 45 mm
Width: 120 mm or more
Length: 70 mm or more
Approx. 290 g
1.1. Precautions Before Use
Function
Press to proceed to the upper limit value
setting mode.
When inputting a numerical value, press to
change the polarity.
Press to proceed to the lower limit value
setting mode.
When inputting a numerical value, press to
cancel the setting.
Guide rail
Option board
+
+
Press to proceed to the calibration mode.
+
Press to proceed to the function selection
mode.
+
Press to proceed to the selection mode in
the check mode.
* The digital zero function sets a desired measurement point as zero and
displays the deviation from this zero point. When weighing a load, it can
be used as the tare, etc.
* The zero value is saved in non-volatile memory (EEPROM) and is
maintained even if the power is disconnected.
* To change the zero adjustment operation, use the function Cf-11.
To protect against accidental operation, press
turn the digital zero function on or off.
and
to
5.4. Operation Mode
Case
Blank panel
-2-
- Upper / lower limit setting mode
Use this mode to set the upper and lower limit of the comparator.
- Calibration mode
Use this mode to perform zero and span calibration with an actual load
(calibration weight).
- Function mode
Use this mode to set functions.
- Check mode
Use this mode to confirm input and output operation.
-3-
6.1. Connector Function
6.1.1. AC input connector
(1) AC Connect the AC power cord.
(2) AC The power requirement is 100 VAC to 240 VAC, 50/60 Hz.
When making connections:
Switch off the power of all the instruments used.
Keep cables away from power cables and other
sources of electrical noise.
6.1.2. Load cell connector
(1) SHLD
Connect the shielded cable of the sensor cable
(2) SIGNegative signal input terminal for the sensors
(3) SIG+
Positive signal input terminal for the sensors
(4) EXCNegative excitation terminal for the sensors
(5) SENNegative sensing input terminal for the sensors
(6) SEN+
Positive sensing input terminal for the sensors
(7) EXC+
Positive excitation terminal for the sensors
6.1.3. Control input/output connector
(1) EXT IN 1
Control input terminal 1
(2) EXT IN 2
Control input terminal 2
(3) IN COM
(4) EXT OUT 1
(5) EXT OUT 2
(6) OUT COM
Control input common terminal
Control output terminal 1
Control output terminal 2
Control output common terminal
6.1.4. Relay output connector (Option)
(1) COM
Relay output common terminal
(2) LO
Relay LO output terminal
Outputs LO when the measured value is less than the
lower limit.
(3) OK
Relay OK output terminal
Outputs OK when the measured value is equal to or
greater than the lower limit and equal to or less than
the upper limit.
(4) HI
Relay HI output terminal
Outputs HI when the measured value is greater
than the upper limit.
Comparator output
To prevent damage, do not exceed the rated capacities of
the output relays.
To protect the output relays, use a varistor, CR circuits or
diodes.
6.1.5. Serial communication connector (Option)
In the case of RS-232C
(1) IC
Internally connected (Do not use)
(2) IC
Internally connected (Do not use)
(3) SG
Signal ground terminal
(4) TxD
Sending terminal
(5) RxD
Receiving terminal
In the case of RS-485 (Two-wire connection)
(1) B
B terminal
(2) A
A terminal
(3) SG
Signal ground terminal
(4) B
B terminal
(5) A
A terminal
* Each of the A and B connections has two terminals.
These terminals are connected internally and can be used for a
terminating resistor or multi-drop connection.
6.1.6. Analog output connector (Option)
(1) COM
Common terminal of the analog output
(2) IOUT
Analog current output terminal
(3) VOUT
Analog voltage output terminal
-4-
Display
7. CALIBRATION
The AD-4531B measures voltage signals from sensors and displays the
values. Calibration is performed so that the AD-4531B performs correctly.
The decimal point (Cf-01), minimum division (Cf-02) and rated
capacity (Cf-03) are set using the function mode.
The zero point input voltage (Cf-04), the span input voltage (Cf-05)
and the displayed value for the span input voltage (Cf-06) are
adjusted using the calibration mode.
Calibration setting using the function mode is also available. (Digital
span)
* During calibration, maintain a stable environment to prevent
calibration errors.
* When the measured value is stable, the HOLD LED is turned on.
* The decimal point blinks to indicate that the current value is not a
measured value.
Cause
The value of the calibration
weight exceeds the rated
capacity.
The value of the calibration
weight is less than the
minimum division value.
The load cell sensitivity is
insufficient.
C?e4
C?e5
C?e6
Voltage at span calibration is less
than the voltage at the zero point.
The load cell output voltage is
too high when loaded to
capacity.
C?e7
C?e8
Remedy
Use a proper calibration
weight.
Use a proper calibration
weight.
Confirm the load cell
connection. Use a proper
calibration weight.
Confirm the load cell
connection.
Use a load cell with a
greater rated capacity or
set a smaller rated
capacity value.
8. FUNCTION MODE
Use the function mode to set various functions. The set values are saved in
non-volatile memory and are maintained even if the power is disconnected.
7.1. Calibration Modes
In the measurement mode, press
calibration mode.
and
to enter the
8.1. Description of Functions
The first 2 digits of the function No. are the function group. The last 2 digits
of the Function No. are the function item.
Enter the zero point calibration mode.
Cf
f0
f1
Return to the measurement mode.
7.1.1. Zero point calibration mode
With nothing on the load cell, wait for
the HOLD LED to turn on and press
f2
.
f3, f4
Perform zero point calibration and
proceed to the span calibration mode.
Measuring
Cancel zero point calibration and
proceed to the span calibration mode.
Hold down to display the mV/V value of
the zero point.
7.1.2. Span calibration mode
Input the value to be displayed when the actual load
for span calibration is applied to the load cell.
Wait for the HOLD LED to turn on and press
.
Calibration function
Basic function
Comparator function
Use this function to set the comparator operation.
Analog output function
Use this function to set the output values of the analog
voltage output and analog current output.
Serial communication function
Use this function to set the RS-232C and RS-485.
* Set the zero point input voltage (Cf-04), the span input voltage (Cf-05) and the
displayed value for the span input voltage (Cf-06) in the calibration mode.
* Set the upper limit value (f1-01) and lower limit value (f1-02) in the
comparator mode.
* When setting a function, the decimal point blinks to indicate that the
current value is not a measured value.
* In the digital filter setting mode (f0-02), press
to confirm the
measured value.
When the measured value is displayed, the OK LED blinks.
Press
to set the display to zero. And press
to return to the
measurement mode.
8.3.1. Calibration (C function)
Function No.
Setting range
Function
Decimal point position of the measured
value
Decimal point 0:000000 3:000.000
position
1:00000.0 4:00.0000
2:0000.00 5:0.00000
Minimum division (d) of the measured value
Cf-02
Minimum 1:1
10:10
division
2:2
20:20
1 to 50
5:5
50:50
Measurement is possible up to the value
Cf-03
of
this
setting
plus 8 d (8 minimum
Rated capacity
divisions)
1 to 999999
Decimal point position depends on Cf-01 .
Cf-04
Input voltage Input voltage from the load cell at zero
-7.00000
of zero point point
(Unit: mV/V)
to 7.00000
Cf-05
voltage from the load cell at span
Input voltage Input
(measurement point - zero point)
0.00001
of span
(Unit: mV/V)
to 9.99999
Cf-06 Displayed value Displayed value for span (measurement
point - zero point)
for input
-999999
to 999999 voltage of span Decimal point position depends on Cf-01 .
Range to enable zero adjustment by the
Zero
ZERO key
Cf-07
adjustment Expressed as a percentage of the rated
0 to 100
range
capacity with the calibration zero point
as the center.
Performed in combination with zero
Cf-08
Zero tracking tracking width. (Unit: second)
time
0.0 to 5.0
When 0.0, zero tracking is not performed.
Performed in combination with zero
Cf-09
Zero tracking tracking time. (Unit: d)
width
0.0 to 9.9
When 0.0, zero tracking is not performed.
Digital zero when the power is connected
Cf-10
0:
zero function off
Power on zero 1: Digital
Perform digital zero
0 to 2
2: Use state when the power is disconnected
Cf-01
0 to 5
Cf-11
1 to 2
1: On with
and
to enter the function selection mode.
Select the function group. (First 2 digits)
Increase the value of the digit to be changed.
, Off with
+
Zero operation
2: On or off with
Function No.
Setting range
Function
+
0
P
1
P
70000
D
0.00000
D
3.20000
D
32000
D
100
D
0.0
D
0.0
D
0
P
Select the function item. (Last 2 digits)
Description
f0-01
00000
to 11111
1
P
Default value
setting type
00000
(Binary)
D
Disable key
Function No.
Default value
Function
Description
setting range
setting type
f1-01
0
Upper limit Upper limit value of comparator.
-999999 to
value
Decimal point position depends on Cf-01.
D
999999
f1-02
0
Lower limit Lower limit value of comparator.
-999999 to
value
Decimal point position depends on Cf-01.
D
999999
0:Off
f1-03 Comparator
2
1:On excluding the zero band
mode
P
0 to 2
2:Always on
f1-04
0
Set the zero band for the comparator
-999999 to Zero band mode.
D
999999
Hysteresis direction
f1-05
2
Hysteresis 1:Upward 2-level judgment
2:Upper / lower limit judgment
mode
1 to 3
P
3:Downward 2-level judgment
f1-06
0.0
Hysteresis Set the hysteresis time by the unit of 0.1 second.
time
When 0.0, the hysteresis mode is not used.
D
0.0 to 5.0
f1-07
99
Hysteresis Set the hysteresis width by the unit of d.
width
When 0.0, the hysteresis mode is not used.
D
00 to 99
8.3.4. Analog
Function No.
setting range
f2-01
-999999 to
999999
f2-02
-999999 to
999999
f2-03
-999999 to
999999
f2-04
-999999 to
999999
Function No.
Setting range
f3-01
2400 to
38400
Perform span calibration and
proceed to the storing mode.
Cancel span calibration and
proceed to the storing mode.
Save the setting in non-volatile memory and then return to the
measurement mode.
P
Save the data acquired and return to the
measurement mode.
Do not save the data acquired and
return to the measurement mode.
Parameter selection method (All digits blinking)
Change the parameter.
7.1.3. Storing mode
Save the calibration zero, span and displayed
value acquired.
When calibration is not performed, data is not
saved.
C?e2
C?e3
-5-
f0-03
0 to 20
Display
update
rate
Hold mode
f0-05
0.0 to 9.9
Hold
averaging
time
Set by the unit of 0.1 second.
When 0.0, averaging is not performed.
f0-06
0000
to 1111
Latch
function
Corresponds to an external input latch.
Setting and latch
0: Off
assignment
0 0 0 0
1: On
Displayed value latch
Comparator latch
Analog output latch
Serial output latch
Change the value of the blinking digit.
f0-07
0 to 6
External
input 1
Change the polarity.
f0-08
0 to 6
External
input 2
Enter the setting and return to the function selection mode.
f0-09
0 to 9
External
output 1
Cancel the setting and return to the function selection mode.
f0-10
0 to 9
External
output 2
Enter the setting and return to the function selection mode.
Cancel the setting and return to the function selection mode.
Measurement
mode
D
Remedy
Confirm the rating
and connection of the
load cell.
Cutoff frequency
0: Off
5: 2.8 Hz
1: 11 Hz
6: 2 Hz
2: 8 Hz
7: 1.4 Hz
3: 5.6
8: 1 Hz
4: 4 Hz
9: 0.7 Hz
1: 1 time/second 10: 10 times/second
2: 2 times/second 20: 20 times/second
5: 5 times/second
0: Off
3: Bottom hold
1: Sample hold 4: Bipolar peak hold
2: Peak hold
f0-04
0 to 4
Digital input method (Change the blinking digit only)
Move the digit to be changed to the right.
7.2. Calibration Errors
Cause
Voltage
at
zero
point
calibration exceeds in the
positive direction.
Voltage
at
zero
point
calibration exceeds in the
negative direction.
Digital filter
8.2.2. Setting changing mode (Two methods)
* After span calibration, the AD-4531B displays the mV/V value of
span calibration for 3 seconds, and then proceeds to the storing
mode.
Display
f0-02
0 to 9
-6-
0: Off
1: DZ key
2: Hold
3: Print
0: Off
1: DZ key
2: Holding
3: Hold busy
4: Hi
-7-
4: Start hold
5: Stop hold
6: Latch
5: OK
6: Lo
7: Measuring (ON)
8: Measuring (1 Hz)
9: Measuring (50 Hz)
Default value
setting type
Measured value at DAV 0V output.
Decimal point position depends on Cf-01.
0
D
10 V
output
Measured value at DAV 10V output.
Decimal point position depends on Cf-01.
1000
D
4 mA
output
Measured value at DAI 4 mA output.
Decimal point position depends on Cf-01.
0
D
20 mA
output
Measured value at DAI 20 mA output.
Decimal point position depends on Cf-01.
1000
D
8
P
20
P
1
P
0.0
D
0000
(Binary)
D
1
P
2
P
Function
Description
Default value
Setting type
Baud rate
2400: 2400 bps 19200: 19200 bps
4800: 4800 bps 38400: 38400 bps
9600: 9600 bps
2400
P
Data bit
length
f3-03
0 to 2
Parity
f3-04
1 to 2
f3-05
1 to 2
Enter the setting changing mode.
Example of
the specified value
Description
0V
output
f3-02
7 to 8
Measuring
Change the polarity.
Function
8.3.5. Serial Communication
Each digit of the setting corresponds to a key
switch. Only available in the measurement mode.
0: Enabled
Key assignment
0 0 0 0 0
1: Disabled
8.2.1. Function selection mode
Select the digit to be changed.
Default value
Setting type
Description
8.3.2. Basic Functions
8.2. Key Operation
In the measurement mode, press
8.3.3. Comparator
8.3. Function Items
f3-06
1 to 6
f3-07
00 to 99
Stop bit
7
P
7:7 bits
8:8 bits
0:None
1: Odd
2: Even
1:1 bit
2:2 bits
2
P
Terminator 1:CRLF
2:CR
1: Stream mode
2: Manual print mode
3: Auto print mode (Outputs data once
when the measured value exceeds
the zero range and is stabilized for
the first time.)
Output
4: Auto print mode (Outputs data each
mode
time the measured value exceeds
the zero range and is stabilized.)
5: Command mode
6: Jet stream mode (Outputs data at
each sampling, depending on the
baud rate.)
Instrument ID that is added to the serial output
No.
When 0.0, the ID is not added.
1
P
1
P
2
P
00
D
8.3.6. Unit
Function No.
Setting
range
Function
f4-00
0 to 4
Unit
f4-01
f4-02
f4-03
f4-04
f4-05
00 to 7F
Unit character 1
Unit character 2
Unit character 3
Unit character 4
Unit character 5
Description
0: Specify the unit character
(f4-01 to f4-05)
1: kg
3: t
2: g
3: Ib
Unit character added to the serial output.
Set using the hexadecimal ASCII code.
00 : none
1
P
2
P
-8-
Default value
Setting type
1
P
00
(Hexadecimal)
D