Siemens SIMATIC S7-400 Configuration And Use Manual page 92

Configuration Variants of the S7-400
Interfacing Options for Central Controllers and Expansion Devices
Central controller CC
6-12
IM 460-4
IM 460-3
IM 460-1
IM 460-0
Expansion without 5-V-transfer in local area
Expansion device ED 1
Expansion with 5-V-transfer in local area
Expansion device ED 1
Max. line length 1.5 m
Expansion in remote area
Expansion device ED 1
Expansion device ED 1
Expansion device ED 4
IM 461-0
Max. line length 5 m
IM 461-1
Expansion device ED 4
IM 461-3
Max. line length 102.25 m
Expansion device ED 4
IM 461-4
Max. line length 605 m
Automation System S7-400 Configuration and Use
IM 461-0
IM 461-3
IM 461-4
A5E00442711-02