Name: 6ES7461-0AA00-7AA0 Siemens S7-400 Terminating Connector IM 461-0
SKU: 6ES7461-0AA00-7AA0
Price: 234.00 USD
Availability: InStock

Product details

Product Overview

Siemens 6ES7461-0AA00-7AA0 – terminating connector for S7-400 systems
- Specifically designed for receiver IM 461-0 modules
- Essential component for Profibus DP remote I/O configurations
- Small, lightweight accessory weighing only 80g

Technical Specifications

General Information
- Product type: Terminating connector
- Accessory for: S7-400 series
- Weight: approx. 80 g
Compatibility
- Designed for receiver IM 461-0 interface modules
- Used in S7-400 Profibus DP remote I/O networks
Physical Characteristics
- Compact design for easy installation
- Securely terminates the bus cable
- Prevents signal reflection on the Profibus network

Expert Review – Field Engineer’s Insight

A missing terminator often causes Profibus communication failures.
This connector solves network issues quickly and reliably.
Always place it at the last station on your Profibus segment.
The 6ES7461-0AA00-7AA0 is small but absolutely critical for stable networks.
Keep spare terminators in your cabinet for troubleshooting.
It works only with IM 461-0 receivers – verify compatibility before ordering.
Installation takes seconds but saves hours of debugging time.

Compatibility & Applications

Compatible devices
- SIMATIC S7-400 with receiver IM 461-0
- Profibus DP remote I/O stations
Application scenarios
- Profibus DP network termination at the end of a segment
- Required when using IM 461-0 in distributed control systems
- Essential for proper signal quality on the bus cable
Typical industries
- Automotive manufacturing, material handling, process automation
- Any S7-400 system with remote I/O cabinets

Model Comparison

6ES7461-0AA00-7AA0 vs other S7-400 terminators:
- vs 6ES7461-0AA00-7AA0 – for receiver IM 461-0 only
- vs 6ES7461-0AA00-7AA0 – use with IM 460-0 requires different terminator
- vs 6ES7972-0BA30-0XA0 – Profibus bus connector with PG interface

Installation & Wiring Guide

Step-by-step installation
- Identify the last station on your Profibus DP segment
- Connect the terminating resistor to the IM 461-0 receiver
- Ensure the terminator is inserted fully and securely
- Verify the bus cable is properly connected before termination
Important notes
- Only one terminator per Profibus segment end
- Do not use this terminator in the middle of a segment
- Incorrect termination causes signal reflections and errors

Package Contents

1x Siemens 6ES7461-0AA00-7AA0 terminating connector

Shipping & Warranty

12-month warranty against manufacturing defects
Express shipping: FedEx, UPS, DHL
Dispatch within 12-24 hours (business days)

Frequently Asked Questions (FAQ)

Q: What does the 6ES7461-0AA00-7AA0 do?
- A: It terminates the Profibus DP bus cable at the IM 461-0 receiver. This prevents signal reflections and ensures network stability.
Q: Is this terminator compatible with other IM modules?
- A: No, this model works specifically with IM 461-0 receivers. Different IM modules require different terminating connectors.
Q: Can I use this terminator in the middle of a Profibus segment?
- A: No, place it only at the physical end of the bus cable. Using it in the middle disrupts network communication.
Q: What happens without a proper terminator?
- A: Profibus communication becomes unstable or fails entirely. You will see intermittent errors and timeouts.
Q: Do I need this terminator for every S7-400 system?
- A: Only when using IM 461-0 in remote I/O configurations. Check your system layout before ordering.
Q: How do I know if my terminator is working correctly?
- A: Check the Profibus status on your CPU. Stable network operation with no communication errors indicates proper termination.