User's Manual

Design
Siemens PLT 130
.
1994
3/6
Bus configurations
Bus configuration,
examples
Application Other conditions Cable connectors
20-m local bus Small plants
Max. 9 participants possible
Max. 20 m bus cable
Standard design redundant
Can only be used in instrumentation
rooms.
The guidelines for earthing and screen-
ing must be observed for the partici-
pants on the local bus.
Ensure i n particular that the partici-
pants have the same ground potential
(equipotential bonding, 0-V island).
Exceptions are valid for isolated l ocal
bus interface modules N-AS and N-AT.
N1 to N2,
N2 to N3 etc.: 6DS8 201-8 . .
Front plug on N1: 6DS9 200-8AA
20-m l ocal bus/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.
The guidelines for earthing and screen-
ing must be observed for the partici-
pants on the local bus.
Ensure i n particular that the partici-
pants have the same ground potential
(equipotential bonding, 0-V island).
Exceptions are valid for isolated l ocal
bus interface modules N-AS and N-AT.
N1 to UI: 6DS8 205-8 . .
N1 to N2,
N2 to N3 etc.: 6DS8 201-8 . .
20-m l ocal bus/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.
The guidelines for earthing and screen-
ing must be observed for the partici-
pants on the local bus.
Ensure i n particular that the partici-
pants have the same ground potential
(equipotential bonding, 0-V island).
Exceptions are valid for isolated l ocal
bus interface modules N-AS and N-AT.
N1 to U/1 and UI2: 6DS8 204-8 . .
N1 to N2,
N2 to N3 etc.: 6DS8 201-8 . .
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 AS systems
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 2 bus converters UI per
cabinet.
N to 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 AS systems
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 2 bus converters UI per
cabinet.
N to UI1 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