ABB RET 54 Series - Page 78

78
1MRS755225
Transformer Terminal
Technical Reference Manual, General
RET 54_
Fig. 5.1.13.10.-4 IEC_103- and SPA-based substation automation system
RER 103
RER 103
RER 123
RER 123
SMS
IEC 103 Master
RER 123
RER 103
RER 125
SPA-ZC 22
RS232C
SMS-SPA_IEC_b
C
E
F
I
0
C
E
F
I
0
C
E
F
I
0
SPA-ZC 22
RE_ 54_:
RER 123 connected to X3.2
RER 103 connected to X3.3
Fiber optic modem
REF 54_ or RET 54_ relays