MATRIX 120™ REFERENCE MANUAL
54
4
EXTERNAL TRIGGER INPUT CONNECTIONS USING EXTERNAL POWER
Figure 40 - PNP External Trigger Using External Power
Figure 41 - NPN External Trigger Using External Power
CBX100/500
Function
+V
Power Source - Inputs
I2A
Input 2 A (polarity insensitive)
I2B
Input 2 B (polarity insensitive)
-V
Power Reference - Inputs
INPUT 2 CONNECTIONS USING MATRIX 120 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 CBX. Disconnect the power supply when
working inside the CBX.
PNP Input 2 Using MATRIX 120 Power
Power to
Input Device
Input
Input Device
Signal
Reference
Input Device
Pulled up to External
Input Device Power
Input
Signal
NPN Photocell
Pulled down to External
Input Device Reference
Input
Signal
PNP Photocell
