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Ways of connecting central and expansion racks – Siemens Automation System S7-400 User Manual

Page 20

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Installing the S7-400

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Automation System S7-400 Hardware and Installation

A5E00850741-01

Ways of Connecting Central and Expansion Racks

Central rack CR

Expansion rack ER 1

Expansion rack ER 4

Expansion rack ER 1

Expansion rack ER 1

Expansion rack ER 4

Expansion without 5 V local transfer

Expansion with 5 V local transfer

Remote expansion

IM 460-0

IM 460-1

IM 460-3

Chain length max. 102.25 m

Chain length max. 1.5 m

IM 461-0

IM 461-0

IM 461-1

IM 461-3

IM 461-3

IM 460-4

Expansion rack ER 1

Expansion rack ER 4

Chain length max. 605 m

IM 461-4

IM 461-4

Chain length max. 5 m