B-3
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
Network connectors are available from Siemens. Using these connectors allows
you to isolate the CPUs from one another (the 24 VDC), but still allows you to
power the TD 200 from the CPU. See the
SIMATIC S7-200 Programmable
Controller System Manual
for more information on using network connectors.
!
Caution
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
The display time slows as more TD 200’s are added to the network.
Multiple CPU Confi
urations
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