6ES7461-3AA01-0AA0 Siemens IM 461-3 Interface Module | 102m Coupling

Product Overview

• Siemens 6ES7461-3AA01-0AA0 – IM 461-3 receiver interface module for SIMATIC S7-400
  • Receiver module for distributed coupling systems
  • Supports cable length up to 102.25 meters
  • Includes C-bus functionality
  • Connects remote I/O racks to central controller

Technical Specifications

• Brand & Model
  • Brand: Siemens
  • Model: 6ES7461-3AA01-0AA0
  • Product type: IM 461-3 Receiver Interface Module
  • Series: SIMATIC S7-400
• Power & Performance
  • Backplane bus current: 620 mA max at 5V DC
  • Power loss: 3.1 W max (3100 mW)
• Hardware Configuration
  • Max cable length: 102.25 meters
  • Between first and last interface module
  • C-bus support for extended communication
• Connection & Dimensions
  • Required termination plug: 6ES7461-3AA0-7AA1
  • Width: 25 mm (0.98 in)
  • Height: 290 mm (11.42 in)
  • Depth: 280 mm (11.02 in)
  • Weight: 620 g (1.37 lbs)

Expert Review / Manager’s Insight

• The 6ES7461-3AA01-0AA0 extends S7-400 I/O over distances up to 102 meters.
• This reduces the need for additional PLC racks in large facilities.
• Use it with the IM 460-3 sender module for complete distributed I/O solutions.
• The C-bus ensures reliable communication between central and remote racks.
• Simple installation saves time during system setup and expansion.
• This module works best for distributing I/O across multiple production areas.

Typical Applications

• Best suited for
  • Distributed I/O in large manufacturing plants
  • Connecting remote sensor and actuator stations
  • Expanding S7-400 systems across multiple floors
  • Automotive assembly line control
  • Chemical processing with I/O distributed over wide areas

Installation & Wiring

• Mounting
  • Install in S7-400 rack (UR1, UR2, CR2, etc.)
  • Use any available slot in the expansion rack
  • Secure with fixing screws at top and bottom
• Wiring tips
  • Use Siemens termination plug 6ES7461-3AA0-7AA1
  • Keep cable length under 102.25 meters for reliable communication
  • Route cables away from high-voltage power lines
  • Terminate both ends of the cable correctly

Compatibility

• Works with
  • Siemens S7-400 CPUs (all versions)
  • IM 460-3 sender interface module
  • S7-400 racks (UR1, UR2, CR2, ER1, ER2)
• Configuration
  • Configure in STEP 7 hardware configuration
  • Set rack numbers for distributed I/O
  • No additional software required

Package Contents

• Includes
  • 1x 6ES7461-3AA01-0AA0 IM 461-3 module
  • 1x label strip for identification
  • Termination plug sold separately

Warranty & Shipping

• 12-month warranty against manufacturing defects
• 12-24 hour dispatch for in-stock items
• Shipping options: FedEx, UPS, DHL

Comparison with Similar Models

• 6ES7461-3AA01-0AA0 – IM 461-3, 102m, with C-bus (current model)
• 6ES7461-3AA00-0AA0 – IM 461-0, 102m, without C-bus
• 6ES7461-3AA01-0AA0 – Compare current model (this page)
• 6ES7461-3AA01-0AA0 – IM 461-3, 102m, with C-bus
• 6ES7461-3AA01-0AA0 – IM 461-3, 102m, with C-bus

Frequently Asked Questions

• Q: What is the maximum distance for distributed coupling?
  • A: The IM 461-3 supports cable lengths up to 102.25 meters between the first and last modules.
• Q: Do I need a sender module on the other end?
  • A: Yes, you need the IM 460-3 sender module in the central rack to work with this receiver.
• Q: What is C-bus and why is it important?
  • A: C-bus enables communication between distributed racks. This module includes C-bus support.
• Q: Does this module require a termination plug?
  • A: Yes, you need the 6ES7461-3AA0-7AA1 termination plug on the last module in the chain.
• Q: Can I use this module with any S7-400 rack?
  • A: Yes, it fits all S7-400 racks including UR1, UR2, CR2, ER1, and ER2.

Buying Guide & Selection Advice

• Choose 6ES7461-3AA01-0AA0 for distributed I/O up to 102 meters away.
• Need longer distance? Consider fiber optic interfaces for up to 3000 meters.
• For simpler setups without C-bus, select IM 461-0 instead.
• Remember to order the termination plug 6ES7461-3AA0-7AA1 separately.
• Plan your rack layout before ordering to ensure correct quantity.
• Check if your CPU supports distributed I/O configuration in STEP 7.

Contact & Support

• Email: sales@powergearx.com
• WhatsApp: +86 18030005825

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