Pulled up to External
Input Device Power
Input
Signal
NPN Photoelectric Sensor
Figure 31. NPN External Trigger Using External Power
TCNM-ACBB1 Function
+V
I2A
I2B
-V
Power Source - Inputs
Input 2 A (polarity insensitive)
Input 2 B (polarity insensitive)
Power Reference - Inputs
Input 2 Connections Using ABR Power
CAUTION: Power from the Vdc/GND spring clamps is available directly to the Input Device on the +V/-V
spring clamps, and does not pass through the Power Switch (ON/OFF) inside the TCNM-ACBB1.
Disconnect the power supply when working inside the TCNM-ACBB1.
Power to
Input Device
Input Input Device
Signal Reference
Input Device
Figure 32. PNP Input 2 Using ABR Power
Power to Input
Input Device Signal
Input Device
Reference
Input Device
Figure 33. NPN Input 2 Using ABR Power
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