26 - 28 September 2017 // Nuremberg, Germany

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Zoom product LOGO_Weighing module SIWAREX WP241

Weighing module SIWAREX WP241

LOGO_Weighing module SIWAREX WP241

Weighing module SIWAREX WP241

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The weighing module SIWAREX WP241 can easily be integrated in SIMATIC S7-1200 via the TIA Portal but also can be operated without SIMATIC CPU. It has been designed for monitoring belt scale and weigh belt applications.

The SIWAREX WP241 can be connected directly to a Modbus HMI (Human-Machine Interface) panel through Ethernet connections or an RS485 RTU Interface.

The standard functions for the belt scale control, such as flow rate, belt speed and belt loading can be adapted and extended as required.

The simulation mode allows users to test functions like belt speed, belt loading, flow rate and many others, without a moving conveyor belt.

For commissioning and operation, the TIA Portal project “ready for use” for operator panels is available. SIWAREX WP241 fulfills the requirements of various industries, which uses belt scale applications. In addition SIWAREX WP241 can also be used in hazardous areas zone 2/22.


Integration in automation systems: SIMATIC S7-1200, Other systems via Modbus RTU or ModbusTCP/IP

Communication interfaces:

- Ethernet (Modbus TCP/IP, SIWATOOL)

- RS 485 (Modbus RTU)

Internal resolution: Up to +/-  4 million parts


  • Uniform structure and universal communication through the integration in S7-1200
  • Four digital inputs and outputs, one analog output
  • Operation also possible without SIMATIC CPU
  • Easy commissioning via SIWATOOL or via HMI touch panel
  • Extensive diagnostic functions
  • Modbus TCP/IP & Modbus RTU
  • Flexible adaption to different requirements
  • Various  adjustment possibilities
  • Can be used for Ex-applications zone 2

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LOGO_Wägemodul SIWAREX WP321

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