Siemens 7MH4960-2AA01 SIWAREX WP231 Weighing Module

The Siemens SIWAREX WP231 Weighing Module (7MH49602AA01) is engineered for precise platform or hopper scale integration within SIMATIC S7-1200 systems or stand-alone applications. With legal-for-trade capability, robust load cell diagnostics, and multiple communication interfaces including RS485 and Ethernet, this module is ideal for industrial weighing tasks demanding high accuracy and compliance.

Technical Specifications

Model: 7MH4960-2AA01 Siemens
Type: SIWAREX WP231 Legal-for-Trade Weighing Module for S7-1200 or Stand-Alone Operation

Power & Performance

• Function: Single-channel weighing module for platform or hopper scales using analog load cells / strain gauges (full bridges)
• Legal-for-Trade: Suitable for legal-for-trade applications (follow local verification laws)
• Load Cell Interface: 1x LC input (1-4 mV/V)
• Diagnostics: Detailed load cell diagnostics available with SIWAREX DB digital junction box (7MH5001-0AD20 or 7MH5001-0AD01)

Interfaces & Communication

• Digital Inputs (DI): 4x DI
• Digital Outputs (DQ): 4x DQ
• Analog Output (AQ): 1x AQ
• RS485 Communication: 1x RS485 Interface
• Ethernet Connectivity: 1x Ethernet Port
• Recommended Accessory:
  • 6ES5728-8MA11 Ground Terminal: 10 units per packing unit

7MH4960-2AA01 Physical Specifications

• Net Weight: 0.280 kg
• Packaging Dimensions (W x H x D): 88.00 mm x 110.00 mm x 86.00 mm
• Package Size Unit of Measure: MM
• Quantity Unit: 1 Piece
• Packaging Quantity: 1
• Country of Origin: Germany

Product Lifecycle & Compliance

• Product Lifecycle (PLM): PM300 – Active Product
• Export Control Regulations: ECCN: N / AL: N
• Compliance with RoHS Directive: Since 01.09.2012
• WEEE Take-Back Obligation: No

REACH Art. 33 Candidate Substances:

• Lead (CAS-No. 7439-92-1 > 0.1% w/w)
• Lead monoxide (CAS-No. 1317-36-8 > 0.1% w/w)
• 4,4′-isopropylidenediphenol (CAS-No. 80-05-7 > 0.1% w/w)
• 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one (CAS-No. 71868-10-5 > 0.1% w/w)
• SCIP Number: bdc517f5-fd62-4c72-8095-9c6a0e41c75c

Additional Product Information

• EAN: 4019169239899
• UPC: 887621043193
• Commodity Code: 85389091
• Catalog ID: WT10
• Product Group: 4909
• Group Code: R3P5
• Product Class: A – Standard stock product, returnable within guidelines

Key Features & Benefits:

✅ Legal-for-Trade Certified: Designed for applications requiring verified weighing systems.

✅ Comprehensive Connectivity: 4x DI, 4x DQ, 1x AQ, 1x RS485, and 1x Ethernet for flexible integration.

✅ Advanced Load Cell Diagnostics: Enhanced system monitoring with optional SIWAREX DB junction box.

✅ S7-1200 or Stand-Alone Operation: Versatile module suitable for integration or independent use.

✅ Compact & Lightweight Design: Easy to install within industrial control panels.

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