7MH4960-2AA01 SIEMENS Exclusive SIWAREX WP231 Weighing Module Original Brand New

7MH4960-2AA01 SIEMENS Exclusive SIWAREX WP231 Weighing Module Original Brand New

The 7MH4960-2AA01 SIWAREX WP231 is a high-precision, single-channel weighing module designed for use with SIMATIC S7-1200 systems or as a standalone solution. This legal-for-trade weighing module is ideal for platform and hopper scales utilizing analog load cells or strain gauges (full bridges), delivering reliable and accurate measurement performance for industrial applications.

With integrated digital inputs and outputs, analog output, RS485, and Ethernet interfaces, the SIWAREX WP231 ensures flexible communication and seamless integration into automation systems. It supports both Modbus TCP/IP and Modbus RTU protocols, enabling efficient data exchange and remote monitoring capabilities.

Benefits

• Fully integrated with SIMATIC S7-1200 automation environment
• Uniform configuration using TIA Portal
• Legal-for-trade compliant according to OIML R-76 standards
• Can operate without SIMATIC CPU (standalone capability)
• Direct connection to operator panels via Ethernet
• Remote display connection via RS485 interface
• Supports Modbus TCP/IP and Modbus RTU communication
• Equipped with 4 digital inputs, 4 digital outputs, and 1 analog output
• High-resolution measurement up to ±4 million parts with 0.05% accuracy
• Easy configuration and calibration using SIWATOOL V7 software
• Automatic calibration without calibration weights
• Module replacement without recalibration of scales
• Suitable for hazardous area zone 2 applications
• Supports digital force compensation load cells from WIPOTEC and Mettler-Toledo

Application

The SIWAREX WP231 is an ideal solution for a wide range of industrial weighing and force measurement tasks. It is particularly suitable for legal-for-trade weighing systems and applications requiring high precision and reliability.

• Non-automatic weighing instruments (NAWI), including legal-for-trade systems
• Fill level monitoring of silos and bunkers
• Crane and cable load measurement
• Load monitoring in industrial lifts and rolling mills
• Platform, hopper, and crane scales
• Force measurement applications
• Use in hazardous environments (Zone 2)

Design

The 7MH4960-2AA01 module features a compact design with a width of 70 mm, allowing easy installation on standard DIN rails. It integrates seamlessly with SIMATIC S7-1200 systems via the system bus, ensuring efficient communication and system consistency.

All connections, including power supply, load cells, RS485 interface, digital I/O, and analog output, are made via screw terminals for secure and reliable wiring. The integrated RJ45 Ethernet port enables easy network integration for configuration, monitoring, and control.

Download

Data sheet (PDF)

Product Code: 7MH4960-2AA01
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