gefran VDI100 Series Instruction Manual page 33

(5) In Section 3.8 the control boards referenced have a jumper SW3 that can select the digital input to terminals
 - , to be set for SINK or SOURCE. The following Fig. 3.17.3 (a.) – (d.) shows examples for the various
SINK / Source interfaces.
Input Digital
Terminals S1 - S8
(a.) Open Collector Interface
Input Digital
Terminals S1 - S8
(c.) Open Collector Interface
VDI100 • Instruction manual
Fig. 3.17.2: Photo-Coupler Connected to an External Relay
SW3
Source
Sink
24VG
Source Configuration
+24V SW3
Source
Sink
Fig. 3.17.3: Sink / Source Configurations
Sink Configuration
Terminals S1 - S8
NPN
Terminals S1 - S8
PNP
SW3
+24V
Source
Sink
Input Digital
24VG
(b.) NPN Sensor Interface
SW3
+24V
Source
Sink
Input Digital
24VG
(d.) PNP Sensor Interface
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