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3 SPECIFICATIONS
3.3 I/O Signal
3.3.1 I/O signal list
Signal direction: QJ71PB92D
Device No.
X00
Exchange start end signal
X01
Communication trouble detection signal
X02
Communication trouble area clear end signal
X03
X04
Global control end signal
X05
Global control error end
X06
X0F
Operation mode signal
X10
X11
Operation mode change completion signal
X12
X1A
X1B
Communication READY signal
X1C
X1D
Module READY signal
X1E
X1F
Watchdog timer error signal
3 - 9
The I/O signal configuration used in the QJ71PB92D and the data communications
with the PLC CPU are described below.
PLC CPU
Description
Not usable
Not usable
Not usable
Not usable
Not usable
POINT
If a device which is not usable is accidentally turned on and off in the sequence
program, it cannot guarantee as the QJ71PB92D function.
Signal direction: PLC CPU
Device No.
Y00
Exchange start request signal
Y01
Communication trouble detection signal reset
Y02
Communication trouble area clear request signal
Y03
Communication trouble area type selection
Y04
Global control request signal
Y05
Y0B
Y0C
Dedicated instruction valid signal
Y0D
Startup request signal
Y0E
Y10
Y11
Operation mode change request signal
Y12
Y1F
MELSEC-Q
QJ71PB92D
Description
Not usable
Not usable
Not usable
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