Connecting A Counting Pulse Sensor For 5 V Differential Signal To Rs 422 - Siemens SIMATIC S5 ET 200U Manual

Function Modules
Figure 9-9 Connecting a Counting Pulse Sensor for 5 V Differential Signal to RS 422
Figure 9-10Connecting a Counting Pulse Sensor for 24 V DC
9-22
Figure 9-9 shows how to connect counting pulse sensors for a 5 V differ-
ential signal to RS 422A.
Electronic Light Source
Sensor Line
5 V 5 V 0 V
5 V
V
a
Pulse
Sensor
Shield
Figure 9-10 shows how to connect a counting pulse sensor for 24 V DC.
0 V DC 24 V
24 V
Pulse
Sensor
Shield
Module
5 V
1
5 V
L+
3
24 V M
5
A
7
9
11
13
15
Shell of Sub–
miniature D Connector
Module
1
3
M
5
0 V
7
L+
9 24 V DC
11
A
13
15
Shell of Sub–
miniature D Connector
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b