Siemens 7MH4950-2AA01 Two-Channel Weighing Module

The Siemens 7MH4950-2AA01 SIWAREX U2 is a versatile dual-channel weighing module that integrates directly with SIMATIC automation systems. Ideal for precise industrial weighing using analog strain gauge load cells, it delivers flexibility, performance, and system consistency.

Technical Specifications

• Model: 7MH4950-2AA01 Siemens
• Series: SIWAREX U
• Module Type: SIWAREX U2 Weighing Module
• Channels: 2 (for analog load cells / strain gauge bridges)
• Supported Systems: SIMATIC S7-300 and ET 200M
• Load Cell Interface: 2× LC (1–4 mV/V, full bridge)
• Serial Communication: 1× RS232
• Mounting Type: Rail-mounted in S7-300/ET 200M racks
• Lifecycle Status: Phased Out (Since 01.10.2023)

Function & Application

Purpose:
Provides precision weighing capability within the Siemens S7-300 or ET 200M automation platform. Designed for integration with analog strain gauge load cells in industrial weighing and batching systems.

Typical Applications:

• Platform and hopper scale systems
• Batch weighing in food, pharma, and chemical production
• Load cell integration in process automation
• Weight-based level measurement

Recommended Accessories

• 6ES7392-1AJ00-0AA0 – 20-Pole Front Connector with Screw Terminals
• 6ES7390-5AA00-0AA0 – Shield Support Element, 80 mm, for 4 Shield Terminals
• 6ES7390-5CA00-0AA0 – Shield Terminal for 4–13 mm Cable (2 pcs)

Delivery & Compliance

• Packaging Dimensions: 48.00 × 130.00 × 150.00 mm
• Net Weight: 0.240 kg
• Packaging Quantity: 1 Piece
• Country of Origin: Germany
• Estimated Dispatch Time: 10 Working Days

Product Compliance & Classification

• RoHS Compliance: Since 07.11.2007
• WEEE Take-Back Obligation: No
• SCIP Number: 3cc07d1a-e050-45e8-908e-2a8f11f32ed0
• REACH Substances:
  • Lead (CAS 7439-92-1) > 0.1%
  • Lead monoxide (CAS 1317-36-8) > 0.1%
  • Silicic acid, lead salt (CAS 11120-22-2) > 0.1%
  • 2,2′,6,6′-tetrabromobisphenol A (CAS 79-94-7) > 0.1%
• Commodity Code: 85389091
• Catalog ID: WT10
• Product Group: 4910
• Group Code: R3P5
• Product Class: B – Return restricted (contact Siemens support)
• EAN: 4019169840040
• UPC: 662643440232

Key Features & Benefits:

✅ 2 Load Cell Channels: Connect two platform or hopper scales simultaneously.

✅ Analog Precision: Supports 1–4 mV/V full bridge strain gauges.

✅ RS232 Diagnostics: Access calibration and weight data via serial interface.

✅ Direct S7-300 / ET 200M Mounting: Fits directly into Siemens modular racks.

✅ Built for Automation: Combines weighing and control logic in one platform.

📦 Order Today for Fast UK & Europe Delivery!

At Drive Outlet Megastore, we offer competitive Siemens 7MH4950-2AA01 prices, ready for quick dispatch across the UK and Europe.

Need help selecting shielded accessories, load cell wiring options, or migration to SIWAREX WP231? Contact our automation experts today.

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