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MELSEC-Q
3 SPECIFICATIONS
Device No. Signal name Description
XA
Offset/gain setting
mode flag
[In offset/gain setting mode]
(1) This is used as an interlock condition for setting User range writing request (YA) to
on/off when registering the value after adjustment of the offset/gain settings have
been completed.
(2) Refer to Section 4.6 regarding the offset/gain settings.
Performed by the D/A converter module
Performed by the sequence program
[In normal mode]
(1) This signal is used as an interlock condition to turn on/off User range writing request
(YA) when the user range is restored.
(2) Refer to Chapter 7 regarding the user range restoration.
XB
Channel change
completed flag
(1) This is used as an interlock condition for setting Channel change request (YB) to
on/off when changing the channel for which the offset/gain settings are to be
performed.
(2) Refer to Section 4.6 regarding the offset/gain settings.
Performed by the D/A converter module
Performed by the sequence program
OFF
Module ready (X0)
Offset/gain setting mode flag (XA)
User range writing request (YA)
ON
Performed by the D/A converter module
Performed by the sequence program
Module ready (X0)
Offset/gain setting mode flag (XA)
User range writing request (YA)
Channel change request (YB)
Offset/gain setting mode
Offset/gain specifications
(buffer memory addresses 22 and 23:
Un\G22 and Un\G23)
Channel change completed
flag (XB)
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