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Weighing module SIWAREX WP231

SIWAREX WP231 is the first weighing module for SIMATIC S7-1200 and through this is programmable via the Totally Integrated Automation (TIA) Portal engineering platform.

The ability to operate SIWAREX WP231 with or without SIMATIC PLCs offers you the flexibility you need.

The Ethernet and RS485 interfaces with Modbus protocol enables you to integrate the weighing module into different control systems. 
SIWAREX WP231 offers four digital inputs and outputs and one analog output. All inputs and outputs are controllable via the SIWAREX module or via SIMATIC S7-1200.

The high resolution of one million parts and the measuring rate of 10ms guarantee a reliable weighing in all of your applications.

The module also offers extensive diagnostic functions for commissioning and operation like trace of weight or monitoring of limit values

The commissioning is either possible via the new SIWATOOL or directly via a connected HMI touch panel.

Thanks to the automatic adjustment the application is ready-to-use in only a few minutes.

The SIWAREX WP231 can be used in following applications:

  • Non-automatic scale according to OIML76
  • Level monitoring of silos and bunkers
  • Weighing in hoppers and platform scales
  • Suitable in hazardous application (with SIWAREX Ex-Interface IS)

Detail

Integration in automation systemsSIMATIC S7-1200 
Other systems via Modbus RTU or ModbusTCP/IP  
Communication interfacesSIMATIC Bus 
Ethernet 
RS485
EU type approval as non-automatic weighing machine, trade class III0,05%
Calibratableyes
Internal resolutionup to 4 million parts
Internal/external updating rate10ms/100Hz

Benefits

  • 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
  • Calibratable display
  • Flexible adjustment for different requirements
  • Theoretical adjustment without adjustment weights
  • Modules can be exchanged without readjusting the scale
  • Can be used for Ex-applications zone 2
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SIMATIC PCS 7

The distributed control system for integrated automation

Much more than a traditional distributed control system (DCS): SIMATIC PCS 7 combines a unique scalable architecture with powerful engineering tools and a wide variety of additional functions such as alarm management, process safety and asset management, all of which can be integrated seamlessly into your existing environment. SIMATIC PCS 7 has everything you need to completely and safely automate your entire production process, from goods receipt to goods issue, in both manufacturing and process plants.

Flexible, scalable, powerful: The innovative distributed control system SIMATIC PCS 7

Providing continuous operation and consistent product quality while reducing plant costs are only a few of the many challenges that the Process Industry is facing today. The control system plays an important role in meeting those challenges. SIMATIC PCS 7 enables you to respond quickly to constantly changing market requirements through its user-friendliness, a high system availability, investment security, future-safe technology, together with a reduced total cost of ownership.

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Operational Excellence: Intuitive operations and efficient engineering
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