FP2/FP2SHInstallation and Wiring
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4.3 Wiring Input and Output
4.3 Wiring Input and Output
4.3.1 Input Wiring
Before the wiring, carefully confirm the specifications for the units to be wired. Specifi-
cally, limitations on the ambient temperature and number of points that can be on
simultaneously will differ for different units.
Connection of Sensors
COM DC Input
unit
Input terminal
Power supply
for input
Power supply
for sensor
Sensor
Internal
circuit
Relay output type
COM
DC Input
unit
Input terminal
Power supply for input
Sensor
Internal
circuit
Vcc
0V⊖
NPN open collector output type
Relay
Output
COM
DC Input
unit
Input terminal
Power supply for input
Sensor
Internal
circuit
Two-wire type
COM
DC Input
unit
Input terminal
Power supply for input
Sensor
Internal
circuit
Vcc
0V⊖