Offset/Gain Settings - Mitsubishi Electric MELSEC Q Series User Manual

4 SETUP AND PROCEDURES BEFORE OPERATION

4.6 Offset/Gain Settings

Start
3)
Switch to the offset/gain
setting mode *1
Verify that the mode is set to
offset/gain setting and the RUN
LED is flashing.
2)
Make offset/gain range setting
at Un\G25
Set the offset setting channel
in Un\G22.
Set the Un\G23 to 0
Turn the channel change
request(YB) to ON.
Verify that the channel
change completed flag (XB) is ON.
1)
Turn the channel change
request signal (YB) to OFF.
Channel change completed flag (XB)
turns OFF.
Write the adjustment amount for the
analog output value in buffer memory
address 24 (Un\G24).
Turn the set value change request
signal (YC) ON.
Verify that set value change completed flag
(XC) turns ON after the analog output value
is changed, and then turn the set value
change request signal (YC) OFF.
Desired analog
output value?
YES
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When the user range setting is used, perform the offset and gain settings according to
the following procedure.
When the industrial shipment setting is used, offset/gain setting is not necessary.
If the utility package is installed, perform the offset/gain settings according to the
procedure described in Section 5.6.2.
(1) Offset/gain setting procedure
Set the gain setting
channel in buffer memory
address 23 (Un\G23).
Set buffer memory address
22 (Un\G22) to 0.
Turn the channel change
request signal (YB) ON.
Verify that the channel change
completed flag (XB) turns ON.
*1 The mode switching (normal mode to offset/gain setting mode to normal mode) method
is given below.
Dedicated instruction (G(P).OFFGAN)............................Refer to Section 4.6 (2), (a)
Setting made to mode switching setting (Un\G158, Un\G159) and turning the operation
condition setting request (Y9) from OFF to ON .......Refer to Section 4.6 (2), (b)
Intelligent function module switch setting .................. Refer to Section 4.5,
Section 4.6 (2), (c)
(After intelligent function module switch setting, reset the programmable controller CPU
or switch power OFF, then ON.)
NO
*2 Do not perform the following during operation of "*2". Doing so may cause a flash
memory data error, resulting in malfunction of the Q62DA-FG.
Power-off of the programmable controller CPU
Reset of the programmable controller CPU
NO
Adjust gain?
YES
1)
MELSEC-Q
Adjust other
channels?
NO
Turn on the user range write request (YA) to
register the value of offset/gain settings with
the Q62DA-FG.
Check that the offset/gain setting
mode flag (XA) is off.
Turn off the user range write
request (YA).
Error occurred?
NO
Switch to the normal setting mode. *1
END
YES
2)
*2
YES
3)
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