Siemens simatic c7-621 Hardware Installation Manual page 62

Configuring an MPI Network
5. Fit the green and red wires into the screw terminal block as shown in
6. Press the cable sheath between the two clips. This fixes the cable in
7. Tighten the screw terminals for the green and red wires.
Figure 3-13
8. Close the housing again using the screws.
3-18
Figure 3-13.
Make sure that you always fit the same wires to the same terminal A or B
(for example always connect the green wire to terminal A and the red
wire to terminal B or vice-versa).
position.
Bus cable connection for first and
last node on the network.
A B A B
Ç Ç
The LAN cable can be
connected either to the
right or left
Connecting the LAN Cable to the Bus Connector
6ES7 972-0B.10-0XA0
Make sure that the cable shield makes contact below the shield clamp.
LAN cable connection for all
other nodes in the network.
A B A B
Ç Ç Ç Ç
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01