Installation And Removal Procedures; Mounting Dimensions For The S7-200 Smart Devices - Siemens SIMATIC S7 System Manual

3.3

Installation and removal procedures

3.3.1

Mounting dimensions for the S7-200 SMART devices

The CPU and expansion modules include mounting holes to facilitate installation on panels.
S7-200 SMART module
CPU SR20, CPU ST20, and CPU CR20s
CPU SR30, CPU ST30, and CPU CR30s
CPU SR40, CPU ST40, and CPU CR40s
CPU SR60, CPU ST60, and CPU CR60s
Expansion modules:
The CPU xx60 models have two sets of mounting holes. The width "B" dimension is measured from the center of each
1
mounting hole to the corresponding edge of the housing.
Note
The compact serial CPUs (CPU SR20s, CPU SR30s, CPU SR40s, and CPU SR60s) do not
support expansion modules or signal boards.
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
1
EM 4AI, EM 8AI, EM 2AQ, EM 4AQ, EM 8DI, EM 16DI, EM
8DQ, and EM 8DQ RLY, EM 16DQ RLY, and EM 16DQ
Transistor
EM 8DI/8DQ and EM 8DI/8DQ RLY
EM 16DI/16DQ and EM 16DI/16DQRLY
EM 2AI/1AQ and EM 4AI/2AQ
EM 2RTD, EM 4RTD
EM 4TC
EM DP01
3.3 Installation and removal procedures
Width A (mm)
90
110
125
175
45
45
70
45
45
45
70
Installation
Width B (mm)
45
55
62.5
37.5
1
22.5
22.5
35
22.5
22.5
22.5
35
51