Recommended Models & Related Products
Migration Note: The successor 7MH4950-1AA01 is the recommended replacement. When migrating, verify TIA Portal compatibility (successor is configurable) and confirm that load cell wiring and calibration data transfer procedures are followed.
What's Included
Note: Load cells, SIWATOOL software, and connecting cables are sold separately.
Why Buy From Us?
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In Stock – Limited remaining stock available
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Tested – Each unit verified for functionality
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Warranty Included – 12-month warranty for purchase confidence
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Technical Support – SIWAREX compatibility and migration assistance available
Frequently Asked Questions (FAQ)
Q1: What is the Siemens 7MH4601-1AA01?
It is a SIWAREX U single-channel weighing module for SIMATIC S7-300 and ET 200M systems. It integrates weight measurement directly into the PLC, supporting one scale connection with RS-232 and TTY serial interfaces .
Q2: Is this product still in production?
No. It is classified under Siemens PLM status PM500: Discontinued. The successor is 7MH4950-1AA01 .
Q3: What is the successor model?
The designated successor is 7MH4950-1AA01 (SIWAREX U replacement) .
Q4: What is the accuracy of this module?
The accuracy is 0.05% with an internal resolution of 65,535 divisions .
Q5: What serial interfaces does it have?
It has RS-232 for PC connection and TTY for remote display connection .
Q6: Does replacing this module require recalibration?
No. The SIWAREX U is designed so that replacing the module does not require recalibrating the electronic scale. Calibration data can be transferred via SIWATOOL .
Q7: Can I use this module with TIA Portal?
The 7MH4601 series is not directly configurable in TIA Portal. However, Siemens support indicates that the successor 7MH4950 can be configured in TIA Portal, and the older 7MH4601 module can be physically installed in its place without affecting function .
Q8: What diagnostic features does it have?
It provides broken wire detection for sensor, supply, and measurement lines, short-circuit protection, and overload protection up to 240 mA .
Q9: What is the country of origin?
Germany (DE) .
Q10: What should I verify before ordering?
Always verify the exact part number (7MH4601-1AA01 for single-channel), confirm your PLC platform (S7-300 or ET 200M), check the condition and warranty of the specific unit offered, and consider whether the successor 7MH4950-1AA01 would provide better long-term availability and TIA Portal compatibility.