53
W&T
Digital-I/O Extender Sets
Subject to error and alteration
Digital Inputs
The basic wiring of the inputs for the Digital-IO Extender Set
can be seen in the following illustration:
The digital inputs of the Digital-I/O Extender Set 17635 are
„Type 3“ according to IEC 61131-2 and have a maximum input
voltage of 30V with respect to the device reference ground.
The lines to the digital inputs should not be longer than
necessary.
12..24V DC
+
-
Link
Vdd
GND
0 1 2 3 4 5 6 7
0 1 2 3 4 5 6 7
Outputs
Inputs
TxD
RxD
Fiber Optic SC
