Output Connections To External Digital Inputs - Datalogic STS400 Installation Manual

ELECTRICAL CONNECTIONS

3.8.2 Output Connections to External Digital Inputs

Alternatively, the reading system's digital outputs can be used to control a digital input of
another device such as a PLC. For this purpose, connect the switched signal and the
appropriate reference level as shown in the figures below.
CBX500 ATS
O1+
O1-
O2+
O2-
Output Device
Power to
Output device
Output device
Reference
Output
Signal
Figure 18 - Open Collector Output Using STS400™ Power
Function
Output 1 +
Output 1 -
Output 2 +
Output 2 -
Digital Input
Pulled up to Digital
Input Power
Output
Signal
Figure 19 - Output Connected to External Digital NPN Input
Digital Input
Output
Signal
Pulled down to Digital
Input Reference
Figure 20 - Output Connected to External Digital PNP Input
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