I/O Circuit Diagrams - Panasonic SQ4-C11 Instruction Manual

2-4-2 I/O Circuit Diagrams

<Reference>
Manual / Auto reset can be selected by the wiring of the reset input terminals (X1, X2, and X3).
Back check circuit
is required.
X1 X2 X3
● For operation with PNP output
Safety liquid leak
sensor
PNP output type
SQ4-A□-P
● For operation with NPN output
Safety liquid leak
sensor
NPN output type
SQ4-A□-N
<Reference>
KA and KB are external devices (forced guide relay, magnet contactor or monitored valve).
© Panasonic Industriar Devices SUNX Co., Ltd. 2016
<Manual reset>
Back check circuit
is not required.
Reset Reset
KA
KB
X1 X2 X3
Control output polarity selection switch
24V DC
Sensor 1
Sensor 2
Sensor 3
Sensor 4
0V
Non-safety output polarity selection switch
Control output polarity selection switch Test input
24V DC
Sensor 1
Sensor 2
Sensor 3
Sensor 4
0V
Non-safety output polarity selection switch
<Auto reset>
Back check circuit
is required.
KA
KB
X1 X2 X3
Test input
PLC etc.
Control
circuit
PLC etc.
Control
circuit
Wiring
Back check circuit
is not required.
X1 X2 X3
KB
KA
KA
KB
Reset
KB
KA
KA
KB
Reset
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