SIEMENS 7MH4601-1BA01 SIWAREX U

Siemens SIWAREX U Weighing Module

Description

The Siemens SIWAREX U 7MH4601-1BA01 is a versatile, dual-channel weighing module for the SIMATIC S7-300 and ET 200M automation systems. It allows for the direct connection of two separate scales with strain gauge load cells. This module is ideal for simple weighing applications such as level monitoring in silos and bunkers, as well as for platform scales. Its compact design and seamless integration into the SIMATIC environment make it a powerful and cost-effective solution for process automation.

Specifications

• Manufacturer: Siemens
• Product Series: SIWAREX U
• Model Number: 7MH4601-1BA01
• Number of Channels: 2
• Input Voltage: 24V DC
• Current Consumption: 0.22A
• Compatibility: SIMATIC S7-300, ET 200M
• Resolution: 16-bit (65535 divisions)

Label Info

• E-Stand (Firmware): 05
• Serial Number: S LB N7 002 186

Application

This module is designed for various industrial weighing tasks, including non-automatic weighing machines, level monitoring of silos and bunkers, crane and cable load measurements, and simple discontinuous processes like batching.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this refurbished component, you contribute to a circular economy and help avoid approximately 12.0 kg of CO2 emissions that would be generated producing a new one.

Availability

This is an obsolete product but is available from our stock. Ideal for spare parts and maintaining existing installations. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?
Can this SIWAREX U module be used as a standalone device?

Answer

No, the 7MH4601-1BA01 is a function module designed specifically for integration into a Siemens SIMATIC S7-300 PLC rack or an ET 200M distributed I/O station. It requires the backplane bus of the system for power and communication.

Question?
What is the maximum resolution of this weighing module?

Answer

The SIWAREX U module has an internal resolution of up to 65,535 parts (16-bit). The actual usable resolution in your application will depend on the quality of the load cell, wiring, and environmental factors.

Question?
Is this module compatible with the Siemens TIA Portal software?

Answer

While it is primarily configured using older software like SIMATIC Manager (STEP 7 V5.x), it is possible to integrate an S7-300 system containing this module into a TIA Portal project. However, for new projects in TIA Portal, it is highly recommended to use a modern successor like the SIWAREX WP231 for S7-1200 or WP521 for S7-1500.

Last Update: Friday, March 13, 2026

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