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4. SETTING AND PROCEDURE BEFORE OPERATION
4.4.2
The following shows the flow of error compensation.
Set the mode switch to 9 for test mode.
Check that RUN LED is turned OFF.
Select the channel to compensate using the mode
switch.
Input a value to be the offset value.
AJ65BT-64RD
Set the offset/gain setting switch at OFFSET.
Adjust the detected temperature value to the offset
value using the UP/DOWN switch.
AJ65BT-64RD
Set the offset/gain setting switch at SET to memorise
the offset value.
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.)
Error compensation procedure
Start
RUN
MODE
0 1
9
•
2
Turns off
•
3
after 2
•
4
seconds
•
B
MODE
0 1
Turn the knob
9
•
2
to the channel
•
3
to be set.
•
4
•
Or, input standard
resistive value
using a standard
Pt100
resistor, etc.
-50 °C
OFFSET
RUN
Flickers at
SET
0.5 second
intervals
GAIN
-497
500
OFFSET
RUN
SET
Off
GAIN
A
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.
Set the offset/gain setting switch at SET to memorise
the gain value.
NO
B
UP
DOWN
Set the mode switch to 0 and return to the normal
mode.
4-8
MELSEC-A
A
AJ65BT-64RD
Or, input standard
resistive value
using a standard
Pt100
resistor, etc.
80 °C
OFFSET
RUN
Flickers at
0.5 second
intervals
GAIN
AJ65BT-64RD
797
800
OFFSET
RUN
Off
GAIN
Is compensation completed
for the channel used?
YES
RUN
MODE
0 1
9
Turns on
•
after 2
•
•
seconds
•
End
SET
UP
DOWN
SET
2
3
4
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