• Siemens SIWAREX ET 200SP Weighing Modules (WP321, WP341, WP351)
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Siemens SIWAREX ET 200SP Weighing Modules (WP321, WP341, WP351)

Siemens SIWAREX ET 200SP Weighing Modules (WP321, WP341, WP351)

SIWAREX weighing electronics in ET 200SP format for static, belt and legal-for-trade scales, with software and load-cell accessories.

Key features

  • WP321: single-channel for platform or hopper scales, 1 x LC, RS 485
  • WP341 HF: continuous belt weighing
  • WP351 HF: legal-for-trade dosing, filling and checking scales
  • Junction, extension and digital junction boxes and Ex interfaces
  • SIWATOOL commissioning software and PCS 7 AddOn library

Specifications

Brand Siemens
Product line SIWAREX / SIMATIC ET 200SP
Category PLC I/O Modules
System SIMATIC ET 200SP
Load cells Strain gauge, 1-4 mV/V
Variants listed 16
Source Siemens Catalog ST 70 · 2026, p. 1537-1567
7MH4138-6AA00-0BA0 Group: Weighing module | Item: TM SIWAREX WP321 | Description: 1 channel, platform/hopper scales
7MH4138-6CA00-0CU0 Group: Weighing module | Item: TM SIWAREX WP341 HF | Description: Continuous belt weighing, BU U0
7MH4138-6BA00-0CU0 Group: Weighing module | Item: TM SIWAREX WP351 HF | Description: Legal-for-trade weighing, BU U0
7MH4138-6BA00-0AY0 Group: Calibration accessory | Item: Calibration set SIWAREX WP351 | Description: For verification of up to 3 scales
7MH4900-1AK61 Group: Software | Item: SIWAREX PCS 7 AddOn Library | Description: For PCS 7 V8.x and V9.0
7MH5001-0AD01 Group: Digital junction box | Item: SIWAREX DB digital junction box | Description: Stainless steel, ATEX/IECEx
PLC I/O ModulesSiemens
6 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Siemens SIWAREX ET 200SP Weighing Modules (WP321, WP341, WP351)

Brand Siemens·PLC I/O Modules

Available part numbers (6)

7MH4138-6AA00-0BA0, 7MH4138-6CA00-0CU0, 7MH4138-6BA00-0CU0, 7MH4138-6BA00-0AY0, 7MH4900-1AK61, 7MH5001-0AD01

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
7MH4138-6AA00-0BA0Group: Weighing module | Item: TM SIWAREX WP321 | Description: 1 channel, platform/hopper scales
7MH4138-6CA00-0CU0Group: Weighing module | Item: TM SIWAREX WP341 HF | Description: Continuous belt weighing, BU U0
7MH4138-6BA00-0CU0Group: Weighing module | Item: TM SIWAREX WP351 HF | Description: Legal-for-trade weighing, BU U0
7MH4138-6BA00-0AY0Group: Calibration accessory | Item: Calibration set SIWAREX WP351 | Description: For verification of up to 3 scales
7MH4900-1AK61Group: Software | Item: SIWAREX PCS 7 AddOn Library | Description: For PCS 7 V8.x and V9.0
7MH5001-0AD01Group: Digital junction box | Item: SIWAREX DB digital junction box | Description: Stainless steel, ATEX/IECEx

Need a different model, or a part not listed here? Send us your parts list →

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