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Warning
!
The CPUs provide 24 VDC on the communication connector to power devices such as the
TD 200.
You must not connect the 24 VDC lines between CPUs. Doing so could result in damage
to the CPUs.
You must only connect communication lines (pins 3, 5, and 8), not power lines (pins 2
and 7), when networking CPUs.
Note
When you connect a PG 702 to a network of CPUs and TD 200s, the PG 702 does not
function if there are more than three TD 200s.
Note
The display update time slows as more TD 200s are added to the network.
SIMATIC TD 200 Operator Interface
C79000-G7076-C205-04
Multiple CPU Configurations
B-3
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