4. SETTING AND PROCEDURE BEFORE OPERATION
MELSEC-A
4-7
4.4.2
Error compensation procedure
The following shows the flow of error compensation.
Start
A
B
MODE
0 1
2
3
4
5
6
7
8
9
MODE
0 1
2
3
4
5
6
7
8
9
RUN
RUN
AJ65BT-68TD
AJ65BT-68TD
OFFSET
GAIN
SET
RUN
RUN
OFFSET
GAIN
SET
UP
DOWN
-497
500
Off
End
A
B
MODE
0 1
2
3
4
5
6
7
8
9
RUN
AJ65BT-68TD
AJ65BT-68TD
OFFSET
GAIN
SET
RUN
OFFSET
GAIN
SET
UP
DOWN
797
800
Off
80 [°C]
-50 [°C]
NO
YES
Set the mode switch to 9 for test mode.
After two seconds, confirm that the RUN LED is
turned off.
Turns off
after 2
seconds
Select the channel to compensate using the mode
switch.
Turn the knob
to the channel
to be set.
Input a value to be the offset value.
Set the offset/gain setting switch at OFFSET.
Flickers at
0.5 second
intervals
Flickers at
0.5 second
intervals
Adjust the detected temperature value to the offset
value using the UP/DOWN switch.
The offset value is memorized by switching the
offset/gain setting switch to SET.
Input a value to be the gain value.
Set the offset/gain setting switch at GAIN.
Adjust the detected temperature value to the gain
value using the UP/DOWN switch.
The gain value is memorized by switching the offset/gain
setting switch to SET.
Is compensation completed
for the channel used?
Turns on
after 2
seconds
Set the mode switch to 0 and return to the normal
mode.
POINT
Once an offset value or gain value is set in the test mode, the set value cannot be confirmed (the
set value is retained in the internal memory.)
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