Wiring A Digital Module With Terminal Block For A One-Conductor Connection - Siemens SIMATIC S7-300 Reference Manual
Programmable logic controllers module data
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- Manual (676 pages) ,
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Connecting the power supply
Always connect the supply voltage to the front connector module Observe the
wiring rules in Table 8-3 on page 8-7.
In the following example, you must connect L+ to Plus of the upper terminal and M
to Minus of the lower terminal.
Connecting the terminal block for one-conductor connection
–
+
L+
1
2
3
4
5
6
7
8
9
10
11
12
1
3
14
1
5
1
6
1
7
8 1
19
20
M
–
+
Front connector
module
Figure 8-8
Wiring a Digital Module with Terminal Block for a One-Conductor Connection
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
SIMATIC TOP Connect and SIMATIC TOP Connect TPA
1
Terminal block
Terminal block
8-15
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