Siemens SIMATIC C7-626, Installation, Assembly, Wiring

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3
3-21
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
5. Insert the green and red wires into the screw-type terminal block as
shown in Figure 3-15.
Make sure that you always connect the same wires at the same terminal,
A or B (for example, always connect the green wire to terminal A and the
red wire to terminal B).
Bus cable connection for first
and last stations on the
bus
1
Bus cable connection for all
other stations on the bus
1 The bus cable can be connected on the right or on the left
A B A B A B A B
ÇÇ
ÇÇ
Figure 3-15 Connecting the Bus Cable to the Bus Connector (6ES7 972-0B.20 ...)
6. Screw tight the clamp-type hinge cover.
Make sure that the cable shielding is bare under the shielding clip.
7. Tighten the green and red wires in the screw-type terminal.
8. Close the cover of the bus connector and
9. Screw the housing back on.
Configuring MPI Networks and PROFIBUS-DP Networks