SIWAREX WP231 – Calibratable Weighing Module for Platform or Hopper Scales (7MH4960‑2AA01)

Brand
SIEMENS
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  • Single?channel legal?for?trade weighing electronics compatible with SIMATIC?S7?1200 or as a stand?alone unit
  • Directly interfaces with analog strain gauge load cells (1–4?mV/V full?bridge) for precise weight measurement
  • Includes 4 digital inputs (DI), 4 digital outputs (DQ), 1 analog output (0/4–20?mA), RS?485, Ethernet port, and load cell interface
  • Provides detailed load cell diagnostics when used with SIWAREX DB junction boxes (e.g., 7MH5001?0AD20)
  • DIN-rail mounted module with compact form and Germany-made reliability; RoHS and REACH compliant
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Description
Attribute Details
Product Type SIWAREX WP231 Single‑Channel Weighing Module
Part Number 7MH4960‑2AA01
Weight Channels 1 channel, strain gauge full-bridge (1–4 mV/V)
Digital Inputs 4 × DI, configurable 24 V DC
Digital Outputs 4 × DQ, up to 0.5 A resistive each
Analog Output 1 × 0/4–20 mA, max. load 600 Ω
Interfaces RS‑485, Ethernet (for communication/configuration)
Load Cell Interface Supports 4- or 6-wire connections
Signal Resolution Up to 16‑bit ADC resolution inclusive of overrange and sign (Siemens Support)
Power Supply 24 V DC (19.2–28.8 V), short-circuit & reverse polarity protected
Current Consumption Max. 200 mA; backplane bus draw ~3 mA at 5 V
Power Loss Approx. 4.5 W
Mounting DIN‑rail (DIN standard), Germany origin
Protection Rating IP20
Dimensions / Weight ca. 88 × 110 × 86 mm; net weight ~0.28 kg
Operating Temp. 0 °C to +55 °C
Certifications Legal‑for‑trade compatible (region-dependent), RoHS, REACH, CE

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