ABB RET 541 - Page 80

80
1MRS755225
Transformer Terminal
Technical Reference Manual, General
RET 54_
Fig. 5.1.13.10.-7 Modbus- and LON-based substation automation system
REX 521
REF 54_ or RET 54_
RER 133
RER 133
RER 103
RER 103
Modbus_LON_syst_b
Modbus master
RE_ 54_:
RER 133 connected to X3.2
RER 103 connected to X3.3
RS232C
Modem
to NCC
CAP 501
CAP 505
LON for e.g NV bindings, parameters, configuration
SMS 510
RS232 / Isolated RS485 converter.
Two or four wire connection.
Modbus
C
E
F
I
0
C
E
F
I
0
C
E
F
I
0
REX 52x
REX 52x