Weighing module SIWAREX FTA

SIWAREX FTA is a calibratable and versatile weighing electronics for SIMATIC S7, C7 and PCS7. It can be used for automatic and non-automatic weighing, e.g. for the production of mixtures, filling, loading, monitoring and bagging. The SIWAREX FTA function module is integrated in SIMATIC S7/PCS7, and uses the features of this modern automation system, such as integral communication, diagnostics and configuration tools.

By setting a parameter in SIWAREX FTA, one of the following scale types can be activated:

  1. NAWI (Non Automatic Weighing Instrument) conforming with OIML R76
    For example: Hopper weighing, Fill level scale, Platform scale, Crane scale

  2. AWI (Automatic Weighing Instrument) conforming with OIML R61. For example: Sacking system scale, Filling scale

  3. Automatic Catchweighing Instrument conforming with OIML R51
    For example: Single component scale for filling and emptying scales, Multi-component scale, Static control scale for weight measurement

  4. Discontinue Totalizing Automatic Weighing Instrument conforming with OIML R107
    For example: Emptying scale, Loading scale


  1. Uniform structure and universal communication through the integration in the SIMATIC S7 and SIMATIC PCS 7

  2. Application in the decentralized system concept by connecting to PROFIBUS DP / PROFINET through ET 200M

  3. Weight or force measurement to resolutions of 16 million parts

  4. Precision of 3 x 6000 d, calibratable

  5. Fast dosing with fast communication

  6. Calibratable display with SIMATIC HMI Standard Operator Panels

  7. Stepless or incremental dosage control

  8. Exact dosage switching signals (< 1 msec)

  9. Definable input and output parameters

  10. Definable parameters for the most diverse of applications

  11. Flexible adjustment for different requirements

  12. Simple parameter definition with the SIWATOOL FTA program

  13. Theoretical adjustment without adjustment weights

  14. Modules can be exchanged without readjusting the scale

  15. Scale progress recording/logging

  16. Calibratable Alibi memory

  17. Can be used for Ex-applications

Reference : siemens

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