Siemens SIMATIC S7 - Operation; 3.1 Configuring and Connecting the Analog Inputs

3-5
SM 338 Equipment Manual
(4) J31069-D401-U1-A0-7618
9. Punch out the appropriate number on t he front.
X
To connect the external supply voltage, open the covering flap on the left
side of the module.
Table 3-3 Terminal assignment
Terminal
Assignment
1 P24 (input voltage jumpered with 3)
2 M24 (ground externally jumpered with 4)
3 P24 (jumpered with 1)
4 M24 (jumpered with 2)
Connect the supply voltage as shown on the printed terminal assignment.
!
Warning
It is absolutely essential to use a powerpack with potential isolation.
Connecting exter-
nal supply voltage
In
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