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DF GF DF GF
9 9 9 9
(1) 24 V without d.c./d.c. converter.
9 9 9 9 9
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Mains A and B
SX540 SX540 SX555 SX555 SX550
2*SX540 2*SX540 2*SX555 2*SX550
Mains A and B
(expansion)
SX541 SX541 SX555 SX555 SX551
2*SX541 2*SX541 2*SX555 2*SX551
Mains C, category II
(2)
(2) According to IEC 664.
SX542 SX542
--- --- ---
SV543 SV542
--- ---
Mains C, category III
(2)
SV541 SV540
--- --- ---
SV543 SV542
--- ---
3RZHU6XSSO\
Controller + I/O subrack 1
SA167 SA168 SD150 DSSB
170
SD150
2*SA167
2*SA168 2*SD150 2*SD150
I/O subrack 2
SA161 SA162
“““2*SA161 2*SA162 ““
I/O subrack 2 and 3
SA167 SA168
“““2*SA167 2*SA168 ““
I/O subrack 4
SA161 SA162
“““2*SA161 2*SA162 ““
I/O subrack 4 and 5
SA167 SA168
“““2*SA167 2*SA168 ““
Power supply units for field
equipment 24 V d.c.
SA161 SA162
“ --- “ 2*SA161
(3)
(3) A diode unit DSSS 170 is used for voting of 24 V A or B.
2*SA162
(3)
“
(3)
“
(3)
Power supply units for field
equipment 48 V d.c.
SA171 SA172
-- -- -- -- -- -- --
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SX554 is generally applied
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Controller Subrack
SR511 2*SR511
I/O Subrack
DSSR 122 3*DSSR 170 + Voting unit DSSS 171