Basic Circuit Diagram Of Expansion Module Em 145 Ao 2 X U - Siemens SIMATIC ET 200X Manual

Technical Specifications
Basic circuit diagram
The basic circuit diagram of the expansion module is shown below.
Supply voltage for electronic components
and sensors via backplane bus
1M
Figure 7-34
Covering up unused connections
You must seal off any connections which are not required with M12 screw caps, in
order to ensure that the degree of protection (IP 65, IP 66 or IP 67) is achieved.
7-124
1L+
DAC
24 V
5 V
Backplane bus
DAC
interface
SF
Socket connections (see Table 7-66)

Basic circuit diagram of expansion module EM 145 AO 2 x U

+
1
–
2
So. X1
4
3
+
1
–
2
So. X2
4
3
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06