4 Cabling the AC 800F
4-76
Internal termination
Fig. 4-51 Internal RS422 termination of FI 820F
When touching the terminating jumpers take the necessary ESD
protection measures. Follow the instructions given in Section 2.
External termination with internal supply
Fig. 4-52 Activating the termination on the terminal block TB 870F
When using the terminating voltage of the module, the bus is not
terminated properly when the module is switched off or replaced.