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MELSEC-Q
4 SETUP AND PROCEDURES BEFORE OPERATION
4.6 Offset/Gain Settings
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
Switch to the normal
setting mode.
1
Start
Switch to the offset/gain
setting mode.
Verify that the mode is set
to offset/gain setting and
the RUN LED is flashing.
Add the voltage or current
that will be the offset value.
Set the offset setting
channel in buffer memory
address 22 (Un\G22).
Set buffer memory
address 23 (Un\G23) to 0.
Turn the channel change
request (YB) to ON.
Set the channel change
request (YB) to ON.
Verify that the channel
change completed flag
(XB) is ON.
Adjust other
channels?
YES
NO
Set the channel change
request (YB) to OFF.
Set the channel change
request (YB) to OFF.
Set the offset/gain setting
request (YA) to ON and
perform the offset/gain
settings. Register to the
A/D converter module.
After verifying that the offset/
gain setting mode status flag
(XA) is OFF, turn YA OFF.
Verify that the offset/gain
setting mode status flag
(XA) is ON.
Add the voltage or current
that will be the gain value.
Set the gain setting channel
in buffer memory address
23 (Un\G23). Set buffer
memory address 22
(Un\G22) to 0.
ERROR LED lit?
YES
NO
End
Verify that the channel
change completed flag
(XB) is ON.
2)
1)
2)
1)
1