Siemens SIPROTEC 7SJ61 - Connection Examples for RTD-Box, All Devices

Appendix
A.3 Connection Examples
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
389
A.3.2 Connection Examples for RTD-Box, all Devices
Figure A-16 Simplex operation with one RTD-Box, above: optical design (1 FO);
below: design with RS 485
1) for 7SJ64 port D
2) for 7SJ64 optionally port C or port D
Figure A-17 Half-duplex operation with one RTD-Box, above: optical design (2 FOs);
below: design with RS 485
1) for 7SJ64 port D
2) for 7SJ64 optionally port C or port D