6ES7461-0AA01-0AA0 Interface Module for S7-400 Systems

Product Overview

The 6ES7461-0AA01-0AA0 is a high-performance SIMATIC S7-400 receiver interface module (IM 461-0). It facilitates central coupling without power supply transfer, specifically optimized for C-bus operations. Engineered for industrial stability, this module ensures seamless signal integrity across your S7-400 rack setup.

Technical Specifications

• Brand: Siemens SIMATIC
• Model: 6ES7461-0AA01-0AA0
• Input Current: 290 mA (5 V DC from backplane)
• Power Loss: 1450 mW (Max)
• Max Cable Length: 5 meters
• Termination Required: 6ES7461-0AA0-7AA1
• Dimensions: 25 mm x 290 mm x 280 mm
• Weight: 610 g

Oiltech Controls’s Insight

• Our engineering team confirms the 6ES7461-0AA01-0AA0 is critical for expanding rack systems while maintaining strict timing synchronization.
• Always verify that your C-bus termination plug is securely seated to prevent communication faults.
• Ideal for large-scale manufacturing lines, power generation control, and complex PLC automation environments.
• Reach our team at info@oiltechcontrols.com or WhatsApp +86 158 8020 0923 for integration support.

Shipping and Warranty

• Lead Time: Fast dispatch within 24–28 hours.
• Global Logistics: Reliable shipping via FedEx, UPS, or DHL.
• Warranty: Comprehensive 12-month quality assurance on all units.
• Resources: Please download the technical manual here for installation diagrams.

Professional FAQ

• Q: Can I use this for non-centralized racks?
• A: No, the 6ES7461-0AA01-0AA0 is strictly for central coupling and is not intended for distributed I/O.
• Q: What if the termination plug is missing?
• A: Communication will fail. The termination plug (6ES7461-0AA0-7AA1) is vital for C-bus impedance matching.
• Q: Is the 280 mm depth standard?
• A: Yes, this matches the standard S7-400 form factor for a flush fit in existing racks.
• Q: How do I troubleshoot link failure?
• A: Check the 5V backplane power and ensure your cabling length does not exceed the 5-meter limit.
• Q: Is this unit hot-swappable?
• A: We recommend powering down the rack during installation to protect the backplane bus.

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