The Siemens 7MH4601-1AA01 is a SIWAREX U weighing electronics module from the SIMATIC automation platform, designed for precise weight measurement and force monitoring in industrial applications. It is a single-channel version for connecting one scale, and integrates directly into SIMATIC S7-300 or ET 200M distributed I/O systems, functioning as a standard analog input module within the automation architecture.
Item No :
7MH4601-1AA01Order(MOQ) :
1Payment :
EXWProduct Origin :
GermanyShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
0.386kgOverview
7MH4601-1AA01 SIMATIC PLC Module
New in stock
Origin from Germany
Payment Method: TT.Western Union
Shipping Method: DHL\UPS\Fedex\EMS\Others
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| Part Number | Description | Key Difference |
|---|---|---|
| 7MH4601-1AA01 | SIWAREX U, single-channel (this item) | Discontinued; remaining stock |
| 7MH4950-1AA01 | Successor – SIWAREX U replacement | Current production model |
| 7MH4601-1BA01 | SIWAREX U-2, dual-channel | Two scales on one module |
| SIWATOOL | PC configuration software | Required for parameterization and calibration |
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.
1 × Siemens 7MH4601-1AA01 SIWAREX U Weighing Module
Note: Load cells, SIWATOOL software, and connecting cables are sold separately.
In Stock – Limited remaining stock available
Tested – Each unit verified for functionality
Warranty Included – 12-month warranty for purchase confidence
Technical Support – SIWAREX compatibility and migration assistance available
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.
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