7MH4138-6AA00-0BA0 SIEMENS Exclusive SIWAREX WP321 Weighing Module Original Brand New

7MH4138-6AA00-0BA0 SIEMENS Exclusive SIWAREX WP321 Weighing Module Original Brand New

The 7MH4138-6AA00-0BA0 SIWAREX WP321 is a highly versatile weighing module designed for seamless integration into the SIMATIC ET 200SP automation system. This single-channel weighing module is specifically engineered for platform and hopper scales using analog load cells or strain gauges (full bridges). It ensures precise and reliable measurement performance in a wide range of industrial applications.

Equipped with an RS485 interface and a load cell interface supporting 1–4 mV/V signals, the module provides efficient communication and accurate data acquisition. Its compact design allows easy installation within ET 200SP systems and ensures compatibility with BaseUnit type A0. Delivered as a complete unit, it is ideal for modern automation environments requiring dependable weighing solutions.

Overview

The SIWAREX WP321 is designed as a flexible weighing solution that integrates directly into SIMATIC automation systems. It utilizes the full capabilities of modern control platforms, including communication, diagnostics, and engineering tools such as TIA Portal, SIMATIC STEP 7, WinCC, and PCS 7.

In combination with the digital SIWAREX DB junction box, the module enables detailed diagnostics of up to four connected load cells. This allows the system to detect individual load cell faults and provide detailed diagnostic information such as identification and location directly to the controller or HMI. This feature significantly enhances system reliability, reduces downtime, and simplifies maintenance.

All process values and status messages are fully accessible within the SIMATIC controller, ensuring complete transparency and control over weighing operations.

Key Features

The 7MH4138-6AA00-0BA0 supports a wide range of industrial applications, including non-automatic weighing instruments such as platform and hopper scales, silo level monitoring, crane load measurement, and force detection systems. It is also suitable for monitoring belt tension and can be deployed in hazardous environments where precise measurement is critical.

Its advanced diagnostic capabilities allow real-time monitoring of load cell performance, ensuring early detection of faults and improved operational safety. The integration into ET 200SP systems enables centralized control and streamlined engineering processes.

With its robust design, high measurement accuracy, and flexible configuration, the SIWAREX WP321 provides an efficient and scalable solution for industrial weighing and force measurement applications.

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Data sheet (PDF)

Product Code: 7MH4138-6AA00-0BA0
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