Siemens 7MH4950-1AA01

Siemens 7MH4950-1AA01 | SIWAREX WP231 Weighing Module for SIMATIC S7-1200

Overview

The Siemens 7MH4950-1AA01 is a SIWAREX WP231 weighing module, designed for use with SIMATIC S7-1200 PLCs. It offers precise weight measurement, connectivity via RS485 and Modbus RTU, and features direct integration with the TIA Portal. This compact and cost-effective solution supports load cell connections for platform scales, tank weighing, and batching systems.

Key Features

• Direct Integration: Fully integrates with SIMATIC S7-1200 and TIA Portal

• Communication Interfaces:

  • RS485 (Modbus RTU slave)

  • S7-1200 backplane bus

• Calibration Functionality: Legal-for-trade weighing supported (depending on region)

• User Interface: Integrated web server for diagnostics and configuration

• Digital Inputs/Outputs: 4 DI / 4 DO onboard

• Load Cell Supply: 5 V DC, supports up to 4 load cells (350 Ω each)

• High Resolution: Up to ±4 million parts

• LED Diagnostics: For power, status, and communication

Technical Specifications

• Catalog Number: 7MH4950-1AA01

• Module Type: Weighing module for DIN rail mounting

• Power Supply: 24V DC (±20%)

• Current Consumption: Approx. 0.2 A

• Analog Signal Type: Strain gauge load cells

• Operating Temperature: -10°C to +55°C

• Protection Class: IP20

• Mounting: DIN rail (S7-1200-compatible)

• Certifications: CE, OIML (where applicable), RoHS

• Country of Origin: Germany

Applications

• Platform and Hopper Scales

• Silo and Tank Weighing

• Batching and Dosing Systems

• Industrial Process Weighing

• OEM Machine Builders Requiring Weight Input

Why Choose the 7MH4950-1AA01?

• Precise Weighing: High resolution for critical processes

• Seamless Integration: Works directly with S7-1200 and TIA Portal

• Compact Design: Saves space in control cabinets

• Communication Flexibility: Built-in RS485 and Modbus RTU

• User-Friendly Interface: Web diagnostics and onboard I/Os

Order Now

Available and ready for global shipping.