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SIWAREX U Weighing Module

Brand: Siemens AG
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The SIWAREX U is a versatile weighing module for all simple weighing and force measuring tasks. 

It is used either centrally in a SIMATIC S7-300 or decentrally via PROFIBUS-DP link to an S7-400, SIMATIC S5 or systems of other manufacturers. 

The SIWAREX U combined with standard SIMATIC components offers an optimum hardware and software solution. 

A 1 or 2-channel SIWAREX U used with the SIMATIC CPU 312 C, is a very cost effective, freely programmable weighing system with a total of ten digital inputs and six digital outputs.
Features
  • Uniform design technology and consistent communication in SIMATIC
  • Measurement of weight or force with a high resolution of 65000 parts and an accuracy of 0.05%
  • Space saving through use of two-channel version for two scales
  • Direct connection of a remote display to the TTY interface
  • Theoretical adjustment without adjustment weights
  • Replacement of module without renewed adjustment of scale
  • Simple parameterizing with SIWATOOL
  • Intrinsically-safe load cell supply for the hazardous area zones 1, 2 (optional)
  • Can be used for Ex applications

1 - 2 of 2 Part Numbers
7MH4950-1AA01
7MH4950-1AA01
SIWAREX U Weighing Module, Single-channel version for connecting one scale
For SIMATIC S7 and ET 200M, incl. bus connector, weight 0.3 kg (0.661 lb)
7MH4950-2AA01
7MH4950-2AA01
SIWAREX U Weighing Module, Two-channel version for connecting two scales
For SIMATIC S7 and ET 200M, incl. bus connector, weight 0.3 kg (0.661 lb)
1 - 2 of 2 Part Numbers

Specifications

Brand

Integration in Automation Systems

  • S7-300
  • S7-1500
  • S7-400 (H)
  • PCS 7 (H)
  • Automation Systems from Other Vendors
  • Stand-alone (without SIMATIC CPU)

Communication Interface

  • SIMATIC S7 (P-Bus), RS-232, TTY

Error Limit

  • 0.05%

Internal Resolution

  • 65535

Number of Measurements/Second

  • 50

Certifications & Approvals

  • ATEX 95, FM, cULus Hazardous Location

Load Cell

  • Strain Gauges in 4-Wire or 6-Wire System

Auxiliary Power Supply

  • Rated 24 Vdc

Environmental Protection

  • IP20

Operating Temperature

  • 0° to 60° (32° to 140° F)

  • Fill Level Monitoring of Silos and Bunkers 
  • Monitoring of Loads on Cranes and Cables 
  • Measuring the Loading on Conveyor Belts 
  • Overload Protection of Industrial Elevators or Rolling Mills 
  • Balances in Hazardous Areas (Using An Ex Interface)  
  • Monitoring of Belt Tension

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