Datalogic Matrix 120 Reference Manual page 66

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