Wiring The Inputs; Figure 2-4 Non-Inverted Input Drive; Figure 2-5 Inverted Input Drive - Siemens SIMATIC TI505 User Manual

Wiring the Inputs

High Speed Counter Encoder Module User Manual
Input connections to the module can be electronic output drive devices or
mechanical switches.
Figure 2-4 shows an example of wiring electronic encoder outputs to the
input terminals of the module for a non-inverted signal.
Encoder
Input

Figure 2-4 Non-Inverted Input Drive

Figure 2-5 shows an example of wiring electronic encoder outputs to the
input terminals of the module for an inverted signal.
Encoder
I
c
Input
R=V–4V
( rating must allow for this current)
I
c
13mA
Module
V
A+
A–
Input
OCI
V
Module
A+
A–
Input
OCI

Figure 2-5 Inverted Input Drive

OCI
Constant
current load
On
OCI
Constant
current load
On
Installing the Module 2-7