Siemens SIMATIC C7-626, Installation, Assembly, Wiring

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5
5-5
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
Figure 5-2 shows the terminal connection and the block diagram of the
digital outputs.
Channel number
Pin No.
Parts with this shading
are not relevant to this
example.
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Digital outputs
2L+
2L+
2M
3L+
3L+
3M
Load power supply
Pin No.
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Block diagram
2L+
2M
+24 V
Ground
+24 V
Ground
}
}
DO 0.0...0.7
DO 1.0...1.7
Bottom view of C7
Figure 5-2 Terminal Connection and Block Diagram of the Digital Outputs
If the maximum permissible current is utilized for the load power supply,
both pins should be wired to avoid overloading of the contacts. For relatively
low currents, wiring of only one +24 V pin is sufficient.
Terminal
Connection and
Block Diagram
Connection of
Load Power
Supply
C7 Digital Input/Output