User manual | Electronica EL 400 Digital Readout System Operational Manual
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EL 400
Operational Manual
Digital Readout System
For
Machine Tool
EL 400 DRO
1. Table of Contents
.............................................................................................. 9
........................................................................................ 12
................................................................................................ 17
.................................................................................... 17
....................................................................................... 20
...................................................................................... 22
(ABS / INC) ...................................................... 30
) ......................................................................... 30
............................................................................................... 31
...................................................................................... 33
(SDM) ............................................................................ 38
....................................................................................... 42
............................................................................................ 42
............................................................................................... 43
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EL 400 DRO
............................................................... 45
.................................................................. 61
................................................................... 69
................................................................................. 72
.................................................................................... 77
................................................................... 81
.................................................................................. 83
.......................................................................... 84
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EL 400 DRO
1. Introduction
Congratulations on purchasing EL 400 series Digital Readout
System (DRO) from Electronica Mechatronic Systems. Our DRO incorporates the latest state of the art technology; giving you world class features which help in improving productivity, reducing rejection and at the same time giving ease of operation to user with its ergonomic design.
Some of the key features of EL 400 series DRO are:
Adaptability to various types of machines, old and new, simple and complex.
Ease of installation.
Optional fourth axis gives addition encoder combination possibilities for milling machines.
User friendly operations.
Note: Please familiarize yourself with the contents of this Operators manual to benefit from all features provided by EL 400 DRO.
Electronica Mechatronic Systems (I) Pvt. Ltd.
Reserves the right to change specifications without prior notice.
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EL 400 DRO
2. DRO Specifications
Mains Supply
Fuse Rating
Power Consumption
Storage Temperature
Operating Temperature
Relative Humidity
Dimensions (mm)
(*excluding earth stud)
Net Weight
Encoder Input
Encoder Connector Type
Auxiliary Connectors
Encoder Resolution Supported
Display
Quantization Error
Standard Compliance
90…..265 VAC
50/60 Hz
800mA Slow Blow 20mm
20 Watts Maximum
-20ºc to 70ºc
0ºc to 50ºc
20% To 85% Non-Condensing
155 X 270 X 80
Height X Width X *Depth
Approx 1.5 Kg
RS422
9-Pin D-Type Female
15-Pin D-Type Female For
Auxiliary Output (Optional)
Encoder Jack Plug connector for
Probe input(Optional)
USB B type connector
(for service only)
0.1/0.2/0.5/1/2/5/10/20/50 Micron
7 Digits with +/- indicator
7 Segment LED
+/- 1 Digit
EMC and Low Voltage
Compliance BS EN 61326
RoHS
ISO 9001:2008
COMPANY
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EL 400 DRO
3. Read Before Proceeding
The EL 400 DRO is sophisticated electronic equipment and should be carefully handled to avoid any damage.
The rated supply to DRO should be within specified limits and should not be exceeded under any circumstances. Doing so may cause irreversible damage to DRO.
DRO should be opened by authorized person only. Otherwise it will invalidate the warranty of the unit.
Equipotential Point (Ground) should be provided to avoid erratic operations of DRO.
Cable routing of DRO and encoders should not be routed through or nearby high capacity switching/inductive load or where it can cause danger.
EL 400 DRO is standard compliant with
EMC Directive EN61326 Standard 61326-4-2, 61326-4-4,
61326-4-11, 61326-4-5, CISPR 16-1 and 16-2.
RoHS compliant.
Warranty will be considered void if and not limited to
Failing to meet manufacturers specified supply conditions.
Abusive handling.
Environmental conditions outside of Manufacturers specifications.
Manipulation, tampering of electronics.
Replacement of original parts with other parts than specified by manufacturer.
Used with encoders other than those supplied by the manufacturer.
Disposal
At the end of its life the EL 400 DRO systems should be disposed of in a safe an environmentally sympathetic manner as applicable to local legislation. The casework and other components may be suitable for recycling. DO NOT BURN.
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EL 400 DRO
4. Getting Started
4.1. Front View
Axis Quick
Zero Keys
Basic
Operation s
DRO
Display
Axis
Keys
Common
Operations
Machine Specific
Operation Keys
Numeric
Keypad
Note: In 4 Axes model, press Z followed by Z0 to toggle between
Z and U axis display and „u‟ LED glows.
4.1.1. Machine Specific Operation Keys:
Milling machine functions
Lathe machine functions.
EDM machine functions.
Note: Simple DRO doesn‟t have machine specific functions.
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4.2. Rear View
Encoder
Inputs
EL 400 DRO
Manufacturers label with Serial
Number
Power ON
Switch
Fuse (Spare included) 800mA
Slow Blow
20mm
Auxiliary
Connectors
(optional)
Probe
Connector
USB B type connector
Power Inlet
IEC Connector
Equipotential
Point (Ground terminal)
Note:
1. This rear view is for 4-Axis EL 400 DRO.
2. For lathe machine, connect Z axis at ‘Y’ and Z’ at Z axis.
Equipotential
Point (Ground terminal)
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EL 400 DRO
4.3. Keyboard layout
Symbols Description
Setup
ABS / INC
Inch / mm
Reference
Preset
---
Numeric Keys
Toggle Sign
Decimal Entry
Enter
Setup and mode keys
NUMERIC
KEYBOARD
Cancel
Toggle Keys
Navigation Keys
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EL 400 DRO
Calculator Function
Half Function
COMMON
OPERATIONS
SDM Function
Function Key
Bolt-Hole (PCD) Function
Arc Contouring Function
MILLING
SPECIFIC
FUNCTIONS
Angle Hole Function
Grid Hole Function
Tool Offsets
Taper Calculation
LATHE
SPECIFIC
FUNCTIONS
Summing Function
Vectoring Function
Bolt-Hole (PCD) Function
Arc Bolt-Hole Function
Angle hole Function
EDM SPECIFIC
FUNCTIONS
PSD (Pre-Set Depth)
Function
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EL 400 DRO
Axes keys for Simple, Mill and EDM version.
Axes Quick Reset keys for
Simple, Mill and EDM version.
Axes keys for Lathe version.
Axes Quick Reset keys for
Lathe version.
AXES KEYS
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EL 400 DRO
5. Installation
5.1. Mounting Options
Following are the possible options for mounting of EL 400 DRO.
Single Arm DRO mount (Code No. 0114-03-0110)
No. Description
1 Fork arm
2 Machine mounting
Bracket
3 M10 X 60mm Allen head Screw
4 M10 punched washer
5 M10 Nylock nut
6 M10 Nylon spacer
Qty. No. Description
1 7 M10 X 75mm Stud
1 8 M10 Lock nut
1
4
2
4
9 M6 X 8mm Allen grub screw
10 M6 X 16mm Allen head screw
11 EL 400 Series DRO
Qty.
1
1
4
2
1
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EL 400 DRO
Double Arm DRO mount (Code No. 0114-03-0120)
No. Description
1 Fork arm
2 Machine mounting
Bracket
3 M10 X 60mm Allen head Screw
4 M10 punched washer
5 M10 Nylock nut
6 M10 Nylon spacer
Qty. No. Description
2 7 M10 X 75mm Stud
1 8 M10 Lock nut
2
6
3
6
9 M6 X 8mm Allen grub screw
10 M6 X 16mm Allen head screw
11 EL 400 Series DRO
Qty.
1
1
4
2
1
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EL 400 DRO
DRO Lathe mount stand (Code No. 0114-03-0140)
No. Description
1 Bar for Lathe stand
2 Base plate for Lathe
Stand
3 M10 X 20mm CSK
Allen screw
4 M10 punched washer
5 M10 X 40mm Full
Threaded stud
Qty. No. Description
1 6 M10 Lock nut
1
1
7 M6 X 8mm Allen grub screw
8 M6 X 20mm Allen head screw
2
1
9 M6 punched washer
10 EL 400 Series DRO
Qty.
2
4
3
3
1
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EL 400 DRO
DRO Lathe mount stand with Single ARM (Code No.
0114-03-0150)
No. Description
1 Bar for Lathe stand
2
3
Base plate for Lathe stand
M10 X 20mm CSK
Allen screw
Qty. No. Description
1 9 M10 X 75mm Stud
1
1
10 M10 lock Nut
11 M10 Nylock nut
Qty.
1
1
1
4 Fork Arm 1 12
M6 X 20mm Allen head screw
3
5
M10 X 60mm Allen head screw
1 13 M6 punched washer 3
6 M10 Nylon Spacer
7 M10 punched washer
8 Spacer between fork
4
5
1
14
M6 X 8 mm Allen grub screw
15 EL 400 Series DRO
4
1
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EL 400 DRO
DRO Swivel mount (Code No. 0114-03-0130)
No. Description
1 Fork arm
2 M10 Lock nut
3 Swivel bracket
4 M10 X 60mm Allen head screw
5 Swiveling block
6 M10 punched washer
Qty. No. Description
1 7 M10 Nylock nut
3 8 M10 X 40mm Full
Threaded stud
1
1
9 M10 Nylon spacer
10 EL 400 Series DRO
1
7
11 Hexagon Bolt M10 X
60mm
Qty.
2
1
4
1
1
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EL 400 DRO
5.2. Power Supply
The EL 400 DRO series uses a Switch mode power supply inside which covers the universal power input range i.e. 90VAC to
265VAC / 50 to 60 Hz. Ensure the input power is within the specifications before powering the unit.
The power supply to the DRO should not be given from the same source as that of any high capacity switching / inductive loads to avoid interference.
Ensure proper equipotential point (Ground) connection is provided to the DRO to avoid any erratic operations.
5.3. Encoder Connections
2
3
4
5
6
7
Pin
Number
1
8
9
Output
Signal
ABS
*1
/ABS
VCC (+5V)
Shield
*2
GND (0V)
Phase A
Phase /A
Phase /B
Phase B
Note:
*1 - ABS is Reference Mark.
*2
– Ensure proper shielding of the encoder cables for proper functioning of the encoder and the DRO.
Encoder Cable should be properly routed as per manufacturers‟ guidelines. Cable should not be routed near any inductive loads to avoid electrical noise interference. It should be routed away from the machine moving parts to avoid any damage.
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EL 400 DRO
5.4. Power UP
Switch ON the power switch located on the back of the DRO. The
DRO will display the power UP message momentarily as shown below
Displays the DRO model
..
Displays the current Software version
Power up message can be bypassed by pressing the key.
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6. Setup
6.1. Setup Mode
EL 400 DRO
Pressing setup key will open
Setup menu on DRO
Select Axis
With the help of navigation keys you can choose the parameter as shown in table2.
With the help of navigation keys left / right you can choose the settings of each parameter.
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EL 400 DRO
6.2. Parameters Setting
Following parameters are available for setting
Display
.
Parameter
Counting mode
.
Measuring system resolution
*6
Display resolution
*5
(Linear)
.
..
.
Display resolution
*6
(Angular)
Measurement mode
*6
(Linear)
Direction
Error Comp.
Measuring system error message *
2
Auxiliary function*
1
Data transmission
RS232 options mode
Touch probe function*
1
Probe Delay*
1
Six O/P signal*
1
Taper On*
1
Setting options
Linear / Angular
0.1/0.2/0.5/1/2/5/10/20/50 Micron
0.1/0.2/0.5/1/2/5/10/20/50 Micron
Degrees-Minutes/
Degrees-Minutes-Seconds/
Degrees-Decimal
Radial / Diametric
Press
Left / Right
Press for error compensation
On / Off
for Auxiliary Function
Menu
Serial or Serial Continuous
DRO F / DRO T type
1 to 60 seconds
Pulse / Continuous
X / Y / Z axis
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EL 400 DRO
Axes summing*
1
Keypad Lock*
3
X
– Z’ axis / Z – Z‟ axis
On / Off
Sleep mode*
4
Store setting
Reset*
6
Press to set Sleep time, from
0 to 120 minutes
Press to store changed settings.
Press to Restore default settings
Password protected OEM mode
OEM mode
End
Press to exit from setup
When you press key once again, you return to the set up mode. Display shows
. Press to exit.
Note:
*1 - These parameters are specific to the models as mentioned in the given Section.
*2 - The measuring system error message is displayed when the encoder cable gets disconnected from the DRO or it is damaged along the length. The error message is displayed on corresponding axis display as
.
*3 - With keypad lock, all key operations except set up are locked.
This helps in not losing the datum point because of wrong reset operation.
*4 - The display is switched off for the time in sleep timer, with any key operation the display gets „ON‟.
*5 - The resolution of the display can be set coarser than of the measuring system used.
*6
– It is applicable for individual axis
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EL 400 DRO
6.3. Error compensation
Error compensation is required during DRO installation as there are errors due to ball screw pitch error or deflection & tilting of axes. The error can be also because of measuring system.
This error can either be linear or non-linear. These errors can be determined either with the help of reference measuring system or a slip gauge.
6.3.1. Error compensation for linear Axis
6.3.1.1. Linear Error Compensation (LEC)
Linear error compensation can be applied, if the results of the comparison with a reference standard show a linear deviation over the whole measuring length. In this case the error can be compensated by the calculation of a single correction factor.
Navigation to Calibration Menu
Selection of axis for
error compensation.
X 5
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EL 400 DRO
Linear Error Compensation
Select Linear Error
Compensation (LEC) menu.
.
Press Enter for display value menu.
Set the machine at datum point (starting point) and press the axis key to reset the axis.
Move the axis away from datum point to put the slip gauge at datum point.
.
Move the axis to touch the slip gauge. The display value is the measured length of the slip gauge
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EL 400 DRO
X 5
X 2
Input the reference value of slip gauge in millimeter
(mm) and press .
Now the DRO shows the calibration factor. Press
Enter key to read the calibration factor.
Select the save changes mode with the help of down arrow key. Confirm with the Enter key.
Using down arrow key exit to display screen.
Press enter key to exit from setup mode.
Now the linear error compensation is stored and applied.
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EL 400 DRO
6.3.1.2. Segmented Error Compensation (SLEC)
Segmented Linear Error Compensation (SLEC) is used when the results of the comparison with a reference standard shows nonlinear error. In SLEC the entire axis travel is divided into as many as 99 user defined segments. The error in each segment is compensated with a single correction factor. Each correction point is measured with respect to the starting point. This starting point is usually set close to the end of the scale. This starting point can coincide with the absolute datum point.
ERROR
1
2
3
4 5
Travel
Machine Reference point
Home Reference point
6.3.1.2.1. Auto Mode
Select the Calibration menu under setup as per Section 6.3.1.1
then select SLEC option as follows:
Set the machine slide near encoder reference and then select SLEC menu.
Last digit of axis display is blinking which indicates that this axis is ready for sensing the reference mark.
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EL 400 DRO
.
Encoder reference mark
Move the machine to cross reference mark and reach the start point of the first segment.
Press Enter key.
This will set the machine reference at the start of first segment. For
more information on machine reference see Section 7.7.2
.
Now reach the end of the first segment.
Press the key.
(Input the length of the segment as measured by standard.) Repeat this step for all segments.
After completing all segments navigate using
key to save changes and press .
X 5
.
Press key to exit the setup mode. This indicates that error compensation is complete.
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EL 400 DRO
6.3.1.2.2. Edit Mode
Edit mode allows user to check and edit the error compensation values for each segment after setting up in
Auto mode.
Select Segmented Linear Error Compensation (SLEC) menu
.
.
Press key to select edit mode.
Pressing axis key select the axis for which the value is to be edited. Using numeric keypad enter the correct value.
.
.
.
.
.
.
Using left and right keys user can go through all segments.
After completing editing, navigate to mode with down arrow key and press enter. Then exit by pressing enter again.
Note: If segmented error compensation has been defined,
no error compensation will be applied until the reference mark is crossed.
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EL 400 DRO
6.3.2. Error Compensation for Angular Axis
For error compensation of angular axis measurement, select the angular counting mode parameter in setup as mentioned in
. With down arrow key select error compensation menu.
6.3.2.1. 360º Rotation Method
Select Angular mode for measurement in setup and navigate to
Calibration menu as per Section 6.3.1.1
Enter calibration menu.
Press to display value. Set the machine at datum point
(Stationary point) and press axis key to reset the axis.
Move the machine to complete one rotation of table. It is highly recommended to place a marker so as to complete one round accurately.
Enter value of 360º in terms of seconds i.e.
1296000.
Save changes and exit to counting screen.
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EL 400 DRO
6.3.2.2. Pulses per Revolution (PPR) Method
Enter calibration menu as per Section 6.3.1.1
...
Select PPR menu.
Save changes and exit to counting screen.
Enter PPR value of encoder and press enter.
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EL 400 DRO
7. Primary functions
7.1. Absolute / Incremental mode (ABS / INC)
The key toggles between the Absolute / Incremental position display.
Absolute mode displays the positions of all axes from a fixed datum.
The Incremental mode displays each position relative to the last position. This is also known as point to point use.
The LED indicates the current selection of mode.
Note: At the beginning of each working session, set the
datum in Absolute Mode, and then switch the DRO to
Incremental Mode. By using the DRO in this way, you can return the machine to its absolute datum at any time, simply by switching back to Absolute Mode.
7.2. Inch Metric Display (In / mm)
The key toggles between the Inch units (in) or the millimeter units (mm).
The LEDs indicate the current mode of display.
7.3. Axis Reset
This function is used to Zero the axis.
. .
Pressing axis reset key
( , , ) will reset the respective axis.
When axis reset function is activated in ABS mode, it will redefine the datum of the travel, and then it is not possible to restore the old datum.
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EL 400 DRO
7.4. Axis Set
This function is used to set the axis with a known value.
.
Select axis key. Enter the numeric value to preset the selected axis. Confirm with
key.
Incorrect numeric entries can be cancelled one by one using .
Using this in ABS mode will alter the datum of that axis, so it will not be possible restore the old datum.
7.5. Half Function
This function is used to find the center of a work piece by halving the displayed distance on the selected axis.
.
.
Press key followed by axis key will half the value of axis display.
It is recommended to use this function in INC mode. If you press this key in ABS mode, it will change the datum point of the axis.
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7.6. Calculator
EL 400 DRO
Press the
key to select mathematical functions from the list shown.
7.6.1. Illustrated Example
After selecting desired operation, enter values and press enter.
Result will displayed on X axis. be
.
.
Press calculator key again to exit calculator mode.
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EL 400 DRO
7.7. Setting of reference
This function allows user to set a machine zero point. With this machine zero point users can restore the work coordinates even if the machine is moved when the DRO is in OFF condition.
Generally each encoder has reference marks present at every specified interval. These reference marks are used to recall the same datum point every time.
This function works only in ABS mode. If tried to use in INC mode, the DRO is automatically forced to ABS mode and then the function executes.
There are two Positions which can be set as datum point (Home function)
Reference point of measuring system.
Machine reference mark.
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EL 400 DRO
7.7.1. Reference Point
In this function, the Datum is set at the reference mark on the encoder.
Press
Enter key.
key and select
„Home‟ mode by pressing
Select the corresponding axis for referencing.
Blinking zero next to selected axis will indicate that DRO is now waiting for the encoder reference mark. Move the machine to select the reference mark.
.
Encoder reference mark
After crossing reference mark DRO will start counting. Your reference is now set.
Note: It is highly recommended to mark an indicator on the
encoder so as to use the same reference mark while finding the datum point.
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EL 400 DRO
7.7.2. Machine Reference function
Machine referencing is used when datum is not at the reference mark on encoder but at a fixed distance from reference mark.
7.7.2.1. Setting of Machine Reference
Before setting the machine reference, make sure to perform
reference point function as discussed in
.
.
Move the machine to the required machine reference
Then navigate with left/right arrow key to
Set Machine Reference menu and press Enter to confirm the position.
Select the axis for which position. machine reference is to be set.
Now display will show zero on selected axis.
This indicates that axis. that selected point is set as machine reference for
Note: In machine reference function, the absolutes datum
is at a fixed distance from the reference mark of an encoder. It is marked permanently on the machine
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EL 400 DRO
7.7.2.2. Recall Machine Reference
Select reference mode and navigate using left / right arrow keys to machine reference menu.
Confirm with enter key.
Select axis for which machine reference is to be recalled.
Blinking zero next to selected axis will indicate that DRO is now ready to set reference. Move slide towards reference mark indicator.
.
After crossing reference mark on encoder DRO will start counting.
Encoder reference mark
This recalled. indicates that machine reference is now
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EL 400 DRO
8. Secondary Functions
8.1. Preset
Preset function allows user to set
„Distance-to-Go‟ to reach the next position. Preset function also includes Near Zero Warning
.
.
.
.
Press key and then select the axis key.
Input the numeric value and press Enter to confirm.
Repeat above steps for remaining axis.
Press key again to execute the function.
Display will show
“Distance-to-Go”.
Note: During preset mode display works only into
incremental mode and thus the datum is not disturbed.
This function also provides near zero warning alarm (see
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EL 400 DRO
8.2. Sub Datum Memory (SDM)
This function allows the DRO to store up to 1000 sub datum points.
Each sub datum stores coordinates for all 3 axes (X, Y, and Z). In operation, the datum of the machine is replaced by each sub datum in turn, allowing the operator to work to zero for each sub datum instead of having to constantly refer to printed list of coordinates. SDM LED glows during working in this function
Y
1
4
7
8
3
6
2 5
Absolute Datum
There are three options under SDMs.
9
10
X
8.2.1. Program mode (
)
Select SDM menu and Program mode.
Press enter to confirm.
As a standard step number 1 is displayed.
This can be edited by pressing axis key and entering the required step number.
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.
.
.
EL 400 DRO
Select the required axis and enter the values for the selected step. Press value.
to confirm each
Press key to go to next step. With right and left key user can select previous/next step. To go any step directly after pressing press key and then step number which user want to go and press key.
Press to see current step number Press Up arrow key again to exit.
In this manner, you can enter all SDMs.
Press key to exit.
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EL 400 DRO
8.2.2. Learn Mode (
)
Select SDM mode and navigate to „Learn‟ menu with left / right arrow key.
.
Enter the required step number on axis display. Press Enter to confirm.
.
.
.
Move the machine to the position to be stored as sub datum for all axes and press . This will show the current step number. will store the position and go to the next step.
Use above steps to complete all required locations. Maximum
1000 steps can be stored.
By pressing the again
Press key to exit.
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EL 400 DRO
8.2.3. Run Mode (
)
After mode selecting
Select
SDM run program from program menu with navigation.
In run menu display will show step number one.
Enter the required step number by pressing and with numeric values.
.
.
Press to confirm.
.
.
Pressing will
.
. display distance to go for the selected step no.
Press key to go to next step.
This can be repeated for all the step nos.
Press key to exit.
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EL 400 DRO
8.3. Near Zero Warning
EL 400 DRO features a unique Near Zero Warning function which alerts user once the machine position is within 50 microns of the set value.
This function is automatically enabled in the following functions:
Preset function
Sub Datum Memory (SDM)
All milling specific functions.
8.4. Center Of Circle
R
Point 3
C
P
Point 1
Q
Point 2
Center Of Circle function allows user to find center of a circle by locating three points on the circle.
Distance to the center from current location is shown on
DRO display as Distance-to-
go.
Work piece
Press function key to select
Center of Circle menu, press enter key to confirm.
..
.
While in this function Fn
LED will glow
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..
..
.
EL 400 DRO
.
.
.
.
.
8.5. Center Of Line
Move to first point on circle.
Pressing will store value.
Repeat this step for remaining points.
After storing all three points press to display
Distance-to-go to center of circle.
A C B
Point 1
Work piece
Point 2
Center Of Line function allows user to find center of a line by locating end points of the line.
Distance to the center from current location is shown on
DRO display as Distance-to-
go.
Enter Center of Line menu
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..
.
.
.
.
.
EL 400 DRO
.
..
Move to first point on line.
Pressing will store value.
Repeat this step for second point.
After storing both points pressing will display
Distance-to-go to center of line.
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EL 400 DRO
9. Machine Specific Functions
9.1. Milling Machine Specific Functions
9.1.1. Circular Bolt Hole Function (PCD)
Circular Bolt-Hole function (also known as PCD) allows user to generate a pattern of holes along
Arc
Center
Radius
Start
Point the perimeter of circle. After taking data from user such as coordinates of centre, radius, starting angle and number of holes, the table of required points is automatically generated and user is shown distance required to travel to each hole.
9.1.1.1.
Procedure
Enter Bolt-Hole
Enter X (ENTCNT0) and Y (ENTCNT1) axis
co-ordinates of
Centre of circle.
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.
.
.
.
EL 400 DRO
Enter radius of circle.
Enter starting angle this angle is with positive Xaxis.
of holes.
θ
Enter total number
DRO will display the
Distance-to-Go
the first hole. to
Traverse X and Y axes until display value are zero.
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EL 400 DRO
9.1.1.2. Additional Options Available
Press or key to know
Distance-to-Go for each point.
Continue to drill the remaining holes in the same way.
Press key to see current hole
number Press it again to exit.
Press key to
select the specific
hole.
Press key to exit the function.
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EL 400 DRO
9.1.2. Arc Bolt Hole Function
Arc
Center
Radius
End
Point
Start
Point
Arc Bolt Hole function is very similar to Circular Bolt Hole function, except in arc hole function user can enter the starting and ending angle of an arc. This angle is always with respect to positive X-axis and is calculated in anticlockwise direction.
9.1.2.1. Procedure
Enter Arc Bolt-Hole function.
Enter X (ENTCNT0) and Y (ENTCNT1) axis
co-ordinates
Centre of arc.
of
Enter radius of arc.
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Enter starting angle.
.
.
.
.
Enter ending angle.
Enter total number
of holes.
DRO will the first hole. display
Distance-to-Go
for
9.1.2.2. Additional Options Available
Press
or
key to
cycle
through
Distance-to-Go for each point.
Press to
see
current hole number
Press Up arrow key again to exit.
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Press key to exit this function.
9.1.3. Arc Contouring Function
Maximum
Cut
End
Point
Arc
Center
9.1.3.1. Procedure
Radius
Start
Point
Press
hole.
This calculates function the positions of points along the line of the arc using the required parameters.
function. key to
jump to specific
Enter arc contouring
Enter X (ENTCNT0) and Y (ENTCNT1) axis
co-ordinates of
Centre of arc.
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Enter radius of arc.
Enter starting angle.
Enter ending angle.
Enter tool diameter.
Select type of cut i.e. internal cut, external cut or mid cut. Right toggle key will cycle through all available options.
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.
.
.
EL 400 DRO
Enter Maximum cut or step size.
DRO will display
Distance-to-Go till first hole.
9.1.3.2. Additional Options Available
Press or key to
cycle
through
Distance-to-Go for each step.
Press
key to see
current hole number.
Press Up arrow key again to exit.
Press key to jump
to specific hole.
DRO hole will display
Distance-to-Go till first
Press key to exit this function.
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9.1.4. Angle Hole Function
Pitch
Center
Angle
This function calculates the position of the holes on a line with the help of parameters such as starting point, pitch angle of a line and no. of holes.
9.1.4.1. Procedure
Enter Angle Hole function.
Enter X (ENTCNT0) and Y (ENTCNT1) axis
co-ordinates. Starting point of a line.
Enter pitch between two holes.
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Enter angle of line with positive X axis between two holes.
Enter total number of
holes.
.
.
.
.
DRO will display
Distance-to-Go till first hole.
9.1.4.2. Additional Options Available
Press
or
key to
cycle through Distance-
to-Go for each step.
Press current
key to see
hole
number.
Press it again to exit.
Press key to jump to
specific step.
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9.1.5. Grid Function
EL 400 DRO
Y axis
θ
Pitch
X axis
The grid function calculates the locations of the holes of pattern in
XY plane. This pattern can be at a tilt angle from X axis. The calculations are done with parameters like starting point coordinates, holes spacing, tilting angle of the line and number of holes.
Enter Grid function.
Enter X (ENTCNT0) and Y (ENTCNT1) axis
co-ordinates Starting point of Grid.
Enter distance between two holes for X axis and for Y axis. (Pitch X
& Pitch Y)
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.
.
.
.
EL 400 DRO
Enter angle of grid with positive X axis between two holes.
Enter total number of
holes for X axis and Y axis.
DRO will display
Distance-to-Go till first hole.
9.1.5.1. Additional Options Available
Press or key to
cycle through Distance-
to-Go for each step.
Press key to see current hole number.
Press it again to exit.
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9.1.6. Linear Bolt Hole
Y Axis
Center
Pitch
X Axis
Linear Bolt Hole function allows user to create an equality spaced pattern of holes in linear direction. After taking data from user such as axis and pitch, the table of required points is automatically generated and user is shown distance required to travel to reach particular hole.
Enter Linear Bolt Hole menu.
Select axis along which
Linear Bolt Hole pattern is to be generated.
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.
EL 400 DRO
..
Reset axis by pressing axis key. Enter the required pitch and press value.
to confirm
Pressing again will return DRO to counting mode and Distance-to-go will be displayed till first hole.
.. ..
After reaching first hole pressing will show
Distance-to-go till next hole.
9.1.7. Polar Co-ordinates
R
Polar Co-ordinates function allows user to measure distance in Polar Co-ordinate measuring system.
θ
Here one axis is used to display radius (R) and other is used to display angle (
θ
) as shown in table below
.
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EL 400 DRO
If user wants to set axis value, it should be perform prior entry in this function.
Plane Radius (R) Angle (
θ
)
X - Y
X - Z
Y - Z
X Axis
X Axis
Y Axis
Y Axis
Z Axis
Z Axis
Enter Polar Co-ordinates menu.
Select the desired Plane.
Pressing will cycle through available Plane options.
..
...
Press key
DRO will return to counting mode.
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9.1.8. Axes Summing
This function allows displaying the sum Z and U axes. Thus the function is applicable only for 4 axes mill version DRO.
Select Axes Summing menu.
.
.
..
Pressing will automatically switch ON the axes summing function.
Pressing will switch off
Axes Summing Function.
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9.2. Lathe Machine Specific Functions
9.2.1. Tool Offset
X
Z
1
9 0
Tools differ in length as well as in diameter, making compensation in slide movement necessary to accommodate the dimensional variation of the tools.
This compensation is known as the tool offset. Once the tool offset is established, the slide movement is automatically adjusted according to the value that is set. EL 400 series DRO supports 9 such tool offsets.
While in this mode DRO operates in ABS mode.
There are two options under Tool Offsets
9.2.1.1. Tool Offset Program Mode
Enter Tool Offset
Mode and press
Enter key confirm mode. to
Enter Tool number.
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Take the slim cut along outside diameter of the part or touch the tool to the surface of the part (if cylindrical)
Move the tool away from the part without disturbing X-axis and measure the Diameter of the part
.
.
Press X axis key and enter
Diameter of the part and press Enter.
.
.
Take the facing cut or touch the end of the part with the tool. Move the tool away from the part, without moving the Z axis.
.
Press Z axis key and press
Enter to zero the axis.
.
.
Now Tool Offset Datum is established.
Press Left arrow key to move next tool offset calculations.
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EL 400 DRO
.
.
9.2.1.2. Tool Offset Run Mode
Follow above procedure for setting tool offset for the remaining tools.
Enter tool offset function and press Right arrow key to select Run mode.
Press Enter key to confirm the mode.
.
.
Enter Tool number and press Enter key.
Now display shows last reading changed while tool offset calculation plus tool offset value of the entered tool number.
Press key to exit from Tool offset mode.
This is a mode in which you can execute other functions like
Taper, Addition, Vector, Steps, Half, etc.
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9.2.1.3. Additional Options available in Run Mode
In tools Run Mode menu, left and right arrow keys can be used to select different tool offsets.
Press key to see current tool number Press
Enter key to exit.
In tools Run mode menu using key new tools offset value can be enter bye numeric keys
.
.
Press Enter key to confirm
Tool No.
Now display shows last reading changed while tool offset calculation plus tool offset value of the selected tool no.
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9.2.2. Taper Function
Taper function allows user to calculate taper of the job. Measurements carried out in Taper function are Radius of taper and Angle
θ° of taper. Taper on axis setting is available in
DRO setup menu. This will select where to display taper angle. See
9.2.2.1. Procedure
. .
Touch the tool to one end of the taper and reset X and Z axis.
. .
. .
Enter Taper Function. function
..
.
...
.
Now move the tool to the other end of the taper. Taper angle is displayed display. on DRO
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EL 400 DRO
Following table illustrates Radius and Angle display relation
Taper ON axis
X axis
Z axis
Z
’ axis
Radius ( R )
Z axis
X axis
X axis
Angle (
θ°)
X axis
Z axis
Z
’ axis
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EL 400 DRO
9.2.3. Axes Addition Function
X
Z
Combined
Movement
X + Z‟
Z‟
X
Z
Combined
Movement
Z + Z‟
Z‟
Axes Summing function is used to display combined movement of either X
– Z’ axes pair or Z
– Z’ axes pair. The summing axis pair can be displayed either on X axis or Z axis.
Summing pair axis configuration setting is available in DRO setup
9.2.3.1. Procedure
Enter Summing pair function.
..
.
Summing pair result is displayed on DRO display.
..
Following table illustrates Summing axis pair and result display axis relation.
Summing axis pair
X axis & Z
‟ axis
Z axis & Z
‟ axis
Combined movement displayed on axis
X display
Z display
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EL 400 DRO
9.2.4. Vectoring Function
X
Z‟
α
Vector
Angle
Z
Combined Movement X = X + Z‟ (Sin α)
Combined Movement Z = Z + Z‟ (Cos α)
Vectoring function is used for displaying combined movement of either X
– Z‟ axis pair or Z
– Z‟ axis pair taking into consideration angle between Z and Z‟ i.e. α.
The resulting combined movement is displayed on
X and Z axis.
9.2.4.1. Procedure
Select Vectoring function
.
Combined Axis
Movement
X + Z‟ (Sin α)
Z + Z‟ (Cos α)
Enter angle between
Z and Z‟ axis.
..
..
..
Resulting combined movement will be shown on DRO display.
Following table illustrates combined movement and display relation
Combined Movement displayed on
X display
Z display
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EL 400 DRO
9.3. EDM Machine Specific Functions
9.3.1. Circular Bolt Hole Function
9.3.2. Arc Bolt Hole Function
For EDM machine specific DRO a dedicated key is
provided for this function. For more details see Section 9.1.2
9.3.3. Angle Hole Function
9.3.4. Pre-Set Depth (PSD) Function
PSD feature is used to control relay at a pre-set depth setting. This feature is widely used in Electric discharge machines (EDM) where sparking process has to be stopped after reaching the required preset depth value.
This feature is available only for Z-axis in case of 3 axes DRO and on X axis in case of 1 Axis DRO.
PSD is also sometimes referred as Single Output function.
9.3.4.1. Setting for Time Delay
There are six pre-defined delay settings available which can be set as follows
…
Enter Auxiliary setup menu.
Note that this option is available only on Z axis for 3 axes DRO and on
X axis in case of 1 axis
DRO.
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EL 400 DRO
Select time delay by using left and right keys.
Sensitivity Count
60
SNSTY0 (
)
SNSTY1 (
)
SNSTY2 (
)
SNSTY3 (
)
SNSTY4 (
)
SNSTY5 (
)
9.3.4.2. Using PSD Function
Time Delay in seconds
In mm mode
0.000
0.118
0.236
0.354
0.472
0.590
Time Delay in seconds
In Inch mode
0.000
0.210
0.420
0.630
0.840
1.050
Select PSD function,
Enter preset depth for z-axis.
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EL 400 DRO
9.3.4.3. Pin Connection Details (V10):
Pin No. Description
1 Relay NC
2 Relay Pole
3
4
5
6
7
8
Relay NO
-
-
Ext. SW +
-
1
6
7
8
4
5
2
3
9
10
11
12
13
14
15
Pin No. Description
9 Relay NC
10 Relay Pole
11
12
13
14
15
-
Relay NO
-
-
-
Ext. SW -
-
The external switch (Pin no. 6 and 15) has the same functionality as key on keyboard.
Relay contact ratings: 24 V at 2A current maximum.
PSD ON will activate the relay connecting the Relay NO and Pole.
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EL 400 DRO
10. Auxiliary Functions
10.1. Touch Probe Functions
Touch probe also called as Contact probe is a device which gives a trigger signal when it comes in contact with the work-piece. The
EL 400 DRO uses this trigger signal to execute certain functions which helps the operator to set an axis or measure a work-piece.
Probe functions are categorized into following categories:
10.1.1. Basic Settings:
DRO Type: The DRO can be configured as “DRO T” and
“DRO F” in setup mode. The “DRO T” mode flashes the probe message on trigger
. And the “DRO F” freezes the coordinates on trigger.
…
Enter Auxiliary setup menu.
…
Toggle using and key.
key
Probe Delay: This delay is provided to avoid multiple probe trigger during measurement. The user can set value between 1 second to 60 seconds.
o
…
Enter Auxiliary setup menu.
…
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EL 400 DRO
Previous delay value is displayed.
Enter new delay. value.
Probe Diameter and length: Before using the other probe functions make sure that the probe diameter and length are entered.
…
Select Probe menu.
…
Enter Probe configuration menu.
.
.
Enter Probe diameter.
Probe Length message.
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EL 400 DRO
Enter Probe Length.
Press key to come to normal counting mode.
10.1.2. Special Probe Functions:
Datum Function: The co-ordinates of the datum can be set by probing edges or surfaces and capturing them as datum.
Datum by edge: Here the DRO sets the datum at the trigger edge of the work piece.
EDGE 1
Work Piece
EDGE 2
…
Select Probe menu.
Select the Probe Edge datum menu.
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EL 400 DRO
Select axis for the
Datum.
Toggle between Edge
1 and 2 and execute function.
The DRO receives the trigger pulse form the probe and sets the datum accordingly. (After the trigger pulse the DRO waits for the user to set the axis at the datum point) When the trigger pulse is sensed user can enter the desired co-ordinates of the datum.
Datum by midpoint: Here the DRO sets the datum at the midpoint of the two work piece edges.
Point 1
Work Piece
Point 2
Select Probe menu.
Select Probe Midpoint datum menu.
…
Select axis for the
Datum.
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EL 400 DRO
Move the probe towards work piece edge 1 till the DRO receives first trigger pulse. Move the probe towards work piece edge 2 till the DRO receives second trigger pulse. Enter the co-ordinates of the midpoint as datum on selected axis.
Inside / Outside Measurement: This function is used to measure work piece center and width.
Outside Measurement
Inside Measurement
…
Select Probe menu.
Select inside or outside measurement option.
Select axis for measurement.
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Move the probe towards work piece edge 1 till the DRO receives first trigger pulse. Move the probe towards work piece edge 2 till the DRO receives second trigger pulses. The display shows coordinates of the center and width of the work piece on the selected axis.
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10.2. Six Output Functions
There are six optically isolated outputs.
User entered position for six outputs are stored in DRO; however at any point of operation user has flexibility to edit values using
Program function.
In continuous mode if current tool position is greater than the entered value then respective output remains high, and when it is less the corresponding output remains low. However in case of pulse mode, only pulse is obtained whenever tool passes the set position in either direction.
0 Set Position
-ve +ve
Continuous mode
Pulse mode
10.2.1. Program Six Output (
)
Enter Six Output menu.
Enter program menu.
Select total number of outputs using left and right key.
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EL 400 DRO
.
.
10.2.2. Execute Six Output (
)
Enter position for each output at the respective axis.
Repeat this step for all outputs.
Press cancel key to exit to DRO display screen.
Program runs as per positions specified by user.
The decimal point on the last digit of the axis indicates that the “six output” is active for that axis.
.
..
..
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10.2.3. Pin Connections
Pin No. Description
1 Ext. +24V
2 O/P 2
3
4
5
6
7
8
O/P 4
O/P 6
-
-
-
-
Electrical Output specifications:
5
6
3
4
7
1
2
8
9
10
11
12
13
14
15
Pin No. Description
9 O/P 1
10 O/P 3
11
12
13
14
15
-
O/P 5
Ext. GND
-
-
-
-
Outputs are open collector.
Maximum current rating 500mA max.
Output voltage rating 24V max.
For testing output of the function make the use of external components with connector as shown in figure below
9 - 24Vdc
Pin 1
Pin 2, 3, 4, 9, 10 or 11
(as required)
1KΩ
Resistor
0V (Gnd) Pin 12
LED
Note:
“Six output” function is not available in EDM version DRO.
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EL 400 DRO
10.3. Serial Communication Functions
EL 400 allows two modes of serial communication continuous mode and on request transfer. In continuous mode the current displayed counts are transmitted to PC and can be viewed on windows Hyper Terminal Software.
The Following results are shown on Terminal screen.
0010.005 ARMX 0086.980 ARMY 0000.000 ARMZ
Symbol Meaning
A Absolute readings
I
R
D
X/Y/Z
M
Incremental
Radial
Diametric
Axes
MM
N Inch
The Hyper Terminal Settings should be as under
Setting options
Communication port
Baud rate /Bits Per second
Values
Com1 / Com2
9600
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EL 400 DRO
Date Bits 8
Parity None
Stop bits
Flow Control
1
None
On request mode the current displayed counts are transferred to
PC by pressing key and can be viewed with EL300 PC Side
Utility software (Refer Software Utility Guide for details). If there is a communication error between DRO and PC, DRO displays “Pc fail” message.
Press key to exit the function.
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EL 400 DRO
11. Troubleshooting
11.1. Self Diagnostics Mode
EL 400 DRO features self diagnostics mode which checks for following areas.
Memory corruption
Display function
Keyboard functioning
Encoder diagnostics
Self diagnostics mode is enabled by pressing during startup message. First it will enter in memory diagnostic mode.
If no fault is found in memory the display will show
Press any key to stop display diagnostic and proceed with keyboard diagnostic. Here DRO will display the pressed key.
Press key once to exit any diagnostic mode.
To exit Self diagnostics mode press key twice.
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EL 400 DRO
11.2. Troubleshooting Guidelines
Problem Observed
No display / Display glows momentarily
Readings are incorrect
Guidelines
Mains supply should be o L
– N : As specified o N
– E: < 3Vrms o L
– E : As specified
Check the fuse. Note that if the fuse has blown, this suggests a fault with the Power source which must be corrected before the fuse is replaced.
Check if encoder connections are proper.
Check calibration factor and if required recalibrate DRO.
If using segmented error compensation, verify the datum position.
Ensure that supply is within specified limits.
The displays work, but give erratic readings, the last digit jitters or the measurements jump to new figures unexpectedly.
Erratic behavior of DRO
This is possible because of poor earth connection. Ensure that the
DRO and the machine on which it is installed must have proper earth connection.
Ensure that cable routing is proper and away from high capacity inductive load.
Ensure that encoder armor is intact and properly routed.
Check for voltage fluctuation.
Try switching DRO Off and turning it back on after 1 min.
Check if keypad is locked.
Try resetting DRO to default settings.
For any additional assistance contact your nearest service center.
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EL 400 DRO
12. List of Display Text
VER
Version
SELECT Select
LINEAR Linear measurement
ANGULAR Angular Measurement
SC
DP
Scale resolution
Display resolution
RAD
DIA
RIGHT
LEFT
CALIB
LEC
Radial mode
Diametric mode
Right counting direction
Left counting direction
Calibration mode
Linear error correction
SLEC
Segmented linear error correction
DISPVAL
CAL FAC
ENF ON
ENF OFF
AUX Fn
SERIAL
SER CON
DRO F
Display value
Calibration factor
Encoder fail ON
Encoder fail OFF
Auxiliary function settings
Serial handshake mode serial continues mode
DRO Freeze mode in probe
DRO T sensing
DRO transmit mode in probe sensing
PRB DLY
LOC OFF
LOC ON
SLEEP T
SAV CHG
RST OEM
OEM MOD
END
HOME
MC REF
SET MC
Probe sensing delay
Keyboard lock OFF
Keyboard lock ON
Sleep timer
OEM mode
Save changes in Set up mode
Reset to OEM settings
End of SET UP mode
Home function
Machine reference function
Set machine reference
TOOLS
Tool offset function
Program SDMs
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RUN
LEARN
STEPNO
Probe
CENTRE
POLAR
SUM
6OP
DATUM
PROB ED
PROB MD
INSIDE
MEASURE
OUTSIDE
CONFIG
B HOLE
CIRCLE
ARC
ENTCNT
RADIUS
STR ANG
End ANG
HOLES
Arc CNT
TOOL DI
INT CUT
EXT CUT
MID CUT
MAX CUT
ANGHOLE
PITCH
ANGLE
GRID
INVALID
TAPER
ADITON
VECTOR
V ANGLE
ADD
Execute SDMs
Learn mode in SDMs
Step no. in SDMs
Probe function
Center function
Polar coordinates display
Axis Summing Function in Mill
Auxiliary function
Datum setting
Probe edge option
Probe midpoint option inside measurement
Measurement
Outside measurement
Configuration
Bolt hole function
Circular bolt hole option
Arc bolt hole option
Center coordinate entry
Radius entry
Starting angle entry
End angle entry
No. of Holes
Arc contouring function
Tool diameter internal cut
External cut
Middle cut
Maximum cut distance
Angle hole function
Pitch of Angle hole
Angle entry
Grid function
Invalid entry
Taper function
Axis summing function in lathe
Axis vectoring in lathe
Vector Angle
Add in Calculator
86 | P a g e
EL 400 DRO
SUB
MULTI
DIV
Sin
COS
TAN
ASIN
ACOS
ATAN
INF VAL
RAMPASS
RAMERR
PRB DIA
PRB LEN
RST DRO
HOLE NO
LINE
TOOL NO
NO SIG
HOLE X
HOLE Y
PITCH X
PITCH Y
STP
ENTER
CANCEL
F1
ENC_DIG
ON
OFF
OPT ON
OPT OFF
T OFF
TRY
AGAIN
Subtract in Calculator
Multiply in Calculator
Division in Calculator
Sine in Calculator
Cosine in Calculator
Tan in Calculator
Sine
-1
in Calculator
Cosine
-1
in Calculator
Tan
-1
in Calculator
Infinite Value
Memory ok
Memory error
Probe Diameter
Probe Length
Reset DRO
Hole number
Line
Tool number
No signal
Holes in X direction
Holes in Y direction
Pitch in X direction
Pitch in Y direction
Step
Enter
Cancel
Function 1
Encoder Diagnostic
On
Off
Options on
Options off
Tool offset
Try
Again
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13. DRO Models
Description Ordering Code No.
EL401-S, 1 Axis Simple without Options
EL402-L, 2 Axes Lathe without Options
EL4P-11-0000
EL4L-21-0000
EL403-L, 3 Axes Lathe without Options
EL402-M, 2 Axes Mill without Options
EL4L-31-0000
EL4M-21-0000
EL403-M, 3 Axes Mill without Options EL4M-31-0000
EL404-M, 4 Axes Mill without Options
EL411-S, 1 Axis Simple with Options
EL412-L, 2 Axes Lathe with Options
EL413-L, 3 Axes Lathe with Options
EL412-M, 2 Axes Mill with Options
EL4M-41-0000
EL4P-11-1110
EL4L-21-1110
EL4L-31-1110
EL4M-21-1110
EL413-M, 3 Axes Mill with Options
EL414-M, 4 Axes Mill with Options
EL4M-31-1110
EL4M-41-1110
EL491-E, 1 Axis EDM EL4E-11-1000
EL493-E, 3 Axes EDM EL4E-31-1000
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EL 400 DRO
Code No: 0073-14-0960
Code No : 0073-14-0961
Revision Date : 22 th
Oct, 2010
Sales Office: Factory:
Electronica Mechatronic Systems (I) Pvt. Ltd., Electronica Mechatronic Systems (India) Pvt. Ltd.,
Electronica House, 2 Nursery Court,
Kibworth, Leicestershire,
LE8 0EX, United Kingdom,
Phone: +44 (0) 116 279 68 91
Unit No. 37&44, Electronic Co-operative Estate,
Pune-Satara road, Pune
– 411009
Maharashtra, India
Phone: +91 (020) 2422 4440, 2422 9398,
Fax: +44 (0) 116 279 67 02
Email: [email protected]
Web: www.electronicaems.co.uk
Fax: +91 (020) 2422 1881
Email: [email protected]
Web: www.electronicaems.com
Electronica Mechatronic Systems (I) Pvt. Ltd. Is a division of Electronica
Mechatronic Systems (India) Pvt. Ltd.
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advertisement
Key Features
- Adaptability to various types of machines
- Ease of installation
- Optional fourth axis
- User friendly operations
- Easy to use
- Improve productivity
- Reduce rejection