4 Cabling the AC 800F
4-73
Channel 0 on terminal block TB 870F
TxD Transmit data (Output) Pin 2
RxD Receive data (Input) Pin 1
GND Ground Pin 5
RTS Request to send (Output) Pin 4
CTS Clear to send (Input) Pin 3
Channel 1 on terminal block TB 870F
TxD Transmit data (Output) Pin 15
RxD Receive data (Input) Pin 14
GND Ground Pin 18
RTS Request to send (Output) Pin 17
CTS Clear to send (Input) Pin 16
Fig. 4-49 shows how to cable the serial fieldbus module FI 820F. Connect the signal
wires to the RS232 device. Observe the max. cable length of 15 m.
Fig. 4-49 Cabling FI 820F via RS232 interface, channel 0
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