Siemens SIMATIC S7-400 6ES7461-4AA01-0AA0 IM 461-4 Receiver Interface Module

Overview

SIEMENS · SIMATIC S7-400

6ES7461-4AA01-0AA0 IM 461-4 Receiver Interface Module

The 6ES7461-4AA01-0AA0 IM 461-4 connects a remote S7-400 expansion rack to an IM 460-4 transmitter at distances up to 600 m without voltage transmission or K bus.

At a Glance

Brand	Siemens
Model	6ES7461-4AA01-0AA0
Product Type	Long-distance S7-400 expansion-rack receiver interface
Core Function	Receives the expansion-bus connection from an IM 460-4 transmitter over distances up to 600 m
Application or Compatible Series	Distributed SIMATIC S7-400 rack configurations without K-bus communication

Exact Identification

Match 6ES7461-4AA01-0AA0 character by character before replacement.

Interface Check

Confirm the installed supply, terminals, network and field wiring.

Project Backup

Preserve the validated configuration and application data before exchange.

Product Overview

The 6ES7461-4AA01-0AA0 IM 461-4 connects a remote S7-400 expansion rack to an IM 460-4 transmitter at distances up to 600 m without voltage transmission or K bus.

The receiver supports distributed rack connections with a total path up to 600 m. The module is used with the IM 460-4 transmitter in the central rack. No operating-voltage transmission is provided through the interface link.

Ordering focus: match the exact IM 461-4 variant, IM 460-4 transmitter, 600 m cable limit, independent rack supply and absence of K-bus requirements.

Key Functions

Long-Distance Rack Coupling

The receiver supports distributed rack connections with a total path up to 600 m.

Defined IM Pairing

The module is used with the IM 460-4 transmitter in the central rack.

Independent Expansion-Rack Supply

No operating-voltage transmission is provided through the interface link.

Official Specifications

Interface Role	Receiver module
Matching Transmitter	IM 460-4, 6ES7460-4AA01-0AB0
Maximum Coupling Distance	600 m
Rack Arrangement	Distributed S7-400 expansion rack
Voltage Transmission over Link	Not provided
K-Bus Communication	Not provided
Backplane Supply	5 V DC
Approved Ambient Range	0 to +60 °C
Temperature Class	T4 in the documented hazardous-location approval
Connection Requirement	Dedicated IM 460-4/IM 461-4 interface cable system
System Platform	SIMATIC S7-400
Installation Position	Expansion rack receiver slot according to the rack design
Rack Power Requirement	Separate compatible S7-400 power supply in the expansion rack
Module Exchange Basis	Exact IM 461-4 hardware and cabling arrangement

Official source:Siemens technical data for 6ES7461-4AA01-0AA0.

Frequently Asked Questions

Which transmitter must be paired with 6ES7461-4AA01-0AA0?

Use the matching IM 460-4 in the central rack.

How far can the rack link run with 6ES7461-4AA01-0AA0?

The documented maximum coupling distance is 600 m.

Does 6ES7461-4AA01-0AA0 deliver power to the expansion rack?

No, the remote rack requires its own compatible S7-400 power supply.

Can communication-bus functions pass through 6ES7461-4AA01-0AA0?

No, this interface version does not provide the K bus.

What should be checked before replacing 6ES7461-4AA01-0AA0?

Verify the paired transmitter, cable route, rack power supply, module slot and grounding.

Which installation temperature applies to 6ES7461-4AA01-0AA0?

Use it within the approved 0 to 60 °C ambient range for the documented installation.

What should be tested after commissioning 6ES7461-4AA01-0AA0?

Check rack communication, module diagnostics, remote power and the complete expansion-rack I/O image.

Compatibility & Ordering Notes

Before ordering 6ES7461-4AA01-0AA0: match the exact IM 461-4 variant, IM 460-4 transmitter, 600 m cable limit, independent rack supply and absence of K-bus requirements.

Compatibility Checklist

• Pair the receiver only with the specified IM 460-4 transmitter.
• Provide a separate approved power supply for the remote expansion rack.
• Do not use this link for modules that require K-bus communication.

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