Design
Siemens PLT130
.
1994
3/6

Bus configurations

Bus configuration, examples

Application Other conditions Cableconnector s
20-m localb us Smallplants
Max. 9 participants possible
Max. 20 m bus cable
Standard design redundant
Canonly b e used in instrumentation
rooms.
Theg uidelinesfor ear thing and screen-
ingmus t be observed for the partici-
pants on the local bus.
Ensure inp articular that the partici-
pants have the same ground potential
(equipotentialb onding, 0-V island).
Exceptions are valid for isolated local
bus interface modules N-AS and N-AT.
N1to N2,
N2to N3 etc.: 6DS8201-8 . .
Frontplug on N1: 6DS9 200-8AA
20-m localbus /4-km remote
bus
Large plants
Max. 100 participants possible
Max. 4 km remote bus cable
Max. 32 bus converters UI can be
used, power distribution subrack can
be used for 2 bus converters UI.
Theg uidelinesfor ear thing and screen-
ingmus t be observed for the partici-
pants on the local bus.
Ensure inp articular that the partici-
pants have the same ground potential
(equipotentialb onding, 0-V island).
Exceptions are valid for isolated local
bus interface modules N-AS and N-AT.
N1to UI: 6DS8205- 8 . .
N1to N2,
N2to N3 etc.: 6DS8201-8 . .
20-m localbus /4-km remote
bus, redundant
Large plants
Max. 100 participants possible
Max. 4 km remote bus cable
Max. 32 bus converters UI can be
used, power distribution subrack can
be used for 2 bus converters UI.
Theg uidelinesfor ear thing and screen-
ingmus t be observed for the partici-
pants on the local bus.
Ensure inp articular that the partici-
pants have the same ground potential
(equipotentialb onding, 0-V island).
Exceptions are valid for isolated local
bus interface modules N-AS and N-AT.
N1to U/ 1 and UI2: 6DS8 204-8 . .
N1to N2,
N2to N3 etc.: 6DS8201-8 . .
Individual participant on
4-km remote bus
Medium-sized plants
Individual participant on remote bus
(large distances between individual
participants)
Max. peripheral configuration of
connected ASsystems
Max. 32 participants possible
Max. 4 km remote bus cable
Interface module(s) for 20-m local bus
and bus converter in same cabinet or
subrack.
Power distribution subrack can be
used for 2b us converters UI per
cabinet.
Nto UI: 6DS8 205-8 . .
Individual participant on
4-km remote bus, redundant
Medium-size plants
Individual participant on remote bus
(large distances between individual
participants)
Max. peripheral configuration of
connected ASsystems
Max. 32 participants possible
Max. 4 km remote bus cable
Interface module(s) for 20-m local bus
and bus converter in same cabinet or
subrack.
Power distribution subrack can be
used for 2b us converters UI per
cabinet.
Nto U I1 and UI2: 6DS8 204-8 . .
AF Connector board ”Remote bus” N Interface module for 20-m local bus
FB Remote bus UI Inductive bus converter
Created with "Chameleon CMYK PDF Creator" for Wolfgang Strozyk at Siemens AG
This catalog is out of date, see note on page 2