Communication
8.6 RS485
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
463
Table 8- 20 Termination and bias switch positions
Switch position = On: Termination and biased
Switch position = Off: No termination or bias
Pin number
Network connector
Biasing and terminating the CM01 signal board
You can use the CM01 signal board to easily connect multiple devices to a network.
The signal board passes all signals (including the power pins) from the S7-200 SMART CPU
through to the programming port, which is especially useful for connecting devices that draw
power from the S7-200 SMART CPU (such as a TD 400C).
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