SIEMENS 7MH4900-2AA01 weighing module

Product Description

Model: 7MH4900-2AA01, Brand SIEMENS, SIWAREX FTA weighing module for S7-300 PLC system. It is a weighing acquisition module for load cell signal acquisition, tank weighing, silo level monitoring and batching control. The module supports load cell signal input, with built-in weighing filter, tare function and weight limit alarm. It communicates with S7-300 via backplane bus and provides diagnostic functions. DIN rail mounted, dedicated for automatic batching and tank weighing applications.

Specifications

• Model: 7MH4900-2AA01
• Brand: SIEMENS
• Series: SIWAREX FTA
• Compatible PLC: SIMATIC S7-300
• Load Cell Type: Strain gauge load cell (4-wire / 6-wire)
• Measuring Channel: 1 weighing channel
• Sensor Excitation: 5V DC
• Resolution: Up to 16 bit
• Communication: S7-300 backplane bus
• Functions: Tare, weighing filter, high/low limit alarm, weight logging, diagnostics
• Mounting: DIN rail for S7-300
• Protection Class: IP20
• Power Supply: Powered by PLC backplane bus
• Operating Temperature: 0 ~ +60℃
• Storage Temperature: -40 ~ +85℃
• Certifications: CE, UL
• Lifecycle Status: Discontinued, spare parts for legacy projects

Application

Used for tank weighing, silo inventory monitoring, continuous dosing and batch weighing in chemical, building material, grain and pharmaceutical industries. It receives load cell signals and transfers weight data to S7-300 PLC to realize quantitative batching, silo weight monitoring and overload alarm. Widely deployed in concrete mixing plants, powder production lines and liquid tank weighing systems, used as replacement spare parts for old S7-300 weighing systems.

Same Series Models (SIWAREX Weighing Modules)

1. 7MH4900-1AA01
2. 7MH4900-2AA01
3. 7MH4900-3AA01
4. 7MH4950-1AA01 (SIWAREX U)
5. 7MH4960-2AA01 (SIWAREX WP241)