Input Connections From Plc - Datalogic STS320 Series Installation Manual

Sensor 2
brown
black
blue

Input Connections from PLC

Alternatively, the reading system can be controlled by a digital output of a PLC. For this
purpose, connect the switched signal and the appropriate reference level as shown in
the figures below.
PLC Signal
Input
Reference
CBX500 Row 2
+V
I2A
I2B
-V (bridge to I2B)
Figure 13 - Presence Sensor Connected to Input 2
CBX500 Row 2
I1A
I1B
Function
Power Source - External Trigger
Input 2 A (polarity insensitive)
Input 2 B (polarity insensitive)
Power Reference - Inputs
Function
External Trigger A (polarity insensitive)
External Trigger B (polarity insensitive)
INSTALLATION GUIDE 13
DIGITAL INPUTS