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Product description

Siemens 6ES7 461-3AA00-0AA0 is the IM 461-3 receive interface module for distributed expansion of SIMATIC-S7-400 systems. Together with an IM 460-3 send interface module, it connects the central mounting rack to remote expansion racks. Siemens documents a total cable length of up to 102 m for this coupling method and transmission of the communication bus at the full data rate. Up to four expansion racks can be connected on each line; the rack number is set at the front DIP switch in the range from 1 to 21. Cable length can additionally be configured in STEP 7. The IM 461-3 has an upper X1 interface as the input from the preceding module and a lower X2 interface as the output to the next module or to terminating plug 6ES7461-3AA00-7AA0. Red INTF and EXTF indicators support diagnosis of rack-number, cable and initialization errors. Exact order number 6ES7 461-3AA00-0AA0 differs through its connection for an external backup or central backup voltage from 5 to 15 V, which enables uninterrupted buffering of the expansion rack when changing the power supply. The receive module draws a typical 590 mA and a maximum 620 mA from the 5-V backplane bus; power loss is typically 2.95 W and at most 3.10 W. Dimensions of 25 × 290 × 280 mm and a weight of approximately 620 g distinguish it clearly from adjacent IM variants. This keeps the installed topology with central and distributed mounting racks traceable without adopting the bus function or power supply of another IM variant. For maintenance, retrofit and spare-parts procurement, compare the order number, matching IM 460-3 module, cable topology, terminating plug and rack parameter settings with the existing S7-400 configuration.

Siemens 6ES7 461-3AA00-0AA0

Specifications

Manufacturer Siemens
Product series SIMATIC S7-400, IM 461-3
Manufacturer/Order/Identification number 6ES7 461-3AA00-0AA0
Device type IM 461-3 receive interface module
Coupling type Distributed coupling of S7-400 expansion racks
Matching module IM 460-3 send interface module
Maximum total cable length 102 m
Bus transmission Communication bus at full data rate
Expansion racks per line Up to 4
Rack number range 1 to 21
Configuration Rack number via DIP switch, cable length via STEP 7
Interfaces X1 input and X2 output or termination
Diagnostic indicators INTF and EXTF, both red
External backup voltage 5 to 15 V
Backplane bus supply 5 V DC
Current consumption from backplane bus Typically 590 mA; maximum 620 mA
Power loss Typically 2.95 W; maximum 3.10 W
Dimensions 25 × 290 × 280 mm
Weight Approx. 620 g
Terminating plug 6ES7461-3AA00-7AA0
Control cabinet with PLC modules and automation components
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FAQ

Frequently asked questions

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What is Siemens 6ES7 461-3AA00-0AA0 used for?

The IM 461-3 is the receive interface module for distributed coupling of SIMATIC-S7-400 expansion racks with an IM 460-3 send interface module.

Which cable length does the IM 461-3 support?

Siemens documents a maximum total cable length of 102 m for coupling with IM 460-3 and IM 461-3.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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