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SIWAREX WP521 ST/WP522 ST Weighing Module

Brand: Siemens AG
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SIWAREX WP521 ST and WP522 ST are weighing modules for the SIMATIC S7-1500 advanced controller family: SIWAREX WP521 ST is the single channel option for the set-up of one scale and SIWAREX WP522 ST is the two-channel option for the set-up of two independent scales.

With SIWAREX WP521 ST and WP522 ST weighing modules, simple weighing applications such as platform or hopper scales can be seamlessly integrated into the S7-1500 automation system. 

The free “ready-for-use“ application helps to create fast and easily customer and application specific solutions. In addition, the service software SIWATOOL V7 is quick and easy to use. 

The integrated monitoring function of the load cells impedance as well as the process and diagnosis alarm functions optimize the plant security.
Features
  • Seamless integration of platform and hopper scales into the SIMATIC S7-1500 automation environment
  • Uniform structure and universal communication through the integration in SIMATIC S7-1500
  • Integrated part of TIA portal
  • Resolution of up to +/- 4 million parts
  • Measurement rate of 100/120 Hz (effective interference suppression)
  • Automatic impedance control of the load cells, process and diagnostic alarms
  • Complete parameterization and commissioning via CPU, HMI panel or PC possible
  • Direct use  in hazardous zone 2

1 - 2 of 2 Part Numbers
7MH4980-2AA01
7MH4980-2AA01
SIWAREX WP522 ST Weighing Modules
7MH4980-1AA01
7MH4980-1AA01
SIWAREX WP521 ST Weighing Modules
1 - 2 of 2 Part Numbers

Specifications

Brand

Resolution

  • Up to ± 4 Million Parts

Measuring Rate

  • 100/120 Hz

Integration Option

  • SIMATIC S7-1500 (Central or Distributed with ET 200MP)
  • Other Systems Via Modbus RTU (RS-485) or Modbus TCP/IP (Ethernet)

Communication Interface

  • SIMATIC S7-1500 System Bus
  • Per Channel 1x RS-485 (Modbus RTU, Remote Display)
  • Ethernet (Modbus TCP/IP, SIWATOOL V7)
  • Per Channel 4x Digital Outputs (24 Vdc)
  • Per Channel 3x Digital Inputs (24 Vdc)

Input/Output

  • 3 Digital Inputs Per Channel (Isolated)
  • 4 Digital Outputs Per Channel (Isolated, Short-circuit Proof)

  • Basic Scales, e.g. Platform and Hopper Scales

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