Siemens SIMATIC S7-300 Interface Module IM361

Description

The 6ES7361-3CA01-0AA0, also known as the IM361, is an interface module for the robust Siemens SIMATIC S7-300 series. This specific module acts as the receiver (IM-R) in an expansion setup, allowing you to connect expansion racks to the central controller rack. It facilitates the extension of the S7-300 backplane bus, enabling larger and more distributed control system architectures. Powered by 24V DC, this module is a critical component for scaling up your automation projects. It must be paired with an IM 360 sender module in the central rack to function correctly. Order now from PLC2Day for expert support and fast delivery.

Specifications

• Manufacturer: Siemens
• Product Series: SIMATIC S7-300
• Model: IM361 (Receiver)
• Part Number: 6ES7361-3CA01-0AA0
• Power Supply: 24V DC
• Input Current: 0.7A
• Function: Interface for Expansion Racks

Label Info

• Type: 1P 6ES7 361-3CA01-0AA0
• E-Stand (Hardware Version): 05
• Serial Number: S C_LO287561

Application

This module is used in industrial automation to expand the I/O capacity of a SIMATIC S7-300 PLC system. It is ideal for applications where I/O modules need to be located at a distance from the main CPU, such as in large machinery or distributed processes across a plant floor.

Country of Origin

Made in Germany.

CO2 Impact

By reusing this module, you are contributing to a circular economy and avoiding approximately 16.0 kg of CO2 emissions that would be generated from manufacturing a new one.

Availability

This product is an obsolete but readily available spare part. Contact us for current stock levels.

FAQ

Question?

What is the maximum distance between the IM 360 and this IM 361 module?

The maximum distance depends on the specific connection cable used. With a standard Siemens connection cable (e.g., 6ES7368-...), the distance can be up to 10 meters between racks.

Do I need to terminate the bus or set any switches on the IM 361?

No, the IM 361 is a passive receiver module and does not have any user-configurable switches or termination settings. All configuration is managed by the IM 360 sender module in the central rack.

Is this module compatible with the S7-400 series or only the S7-300?

This module, the 6ES7361-3CA01-0AA0, is specifically designed for the SIMATIC S7-300 series and is not compatible with the S7-400 or S7-1500 systems, which use different backplane buses and interface modules.

Last Update: Friday, March 13, 2026

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