The Siemens Siwarex 7MH3305-1AB is an intelligent weighing processor module designed for precise measured value acquisition and advanced signal processing in industrial automation systems. Engineered for single-component batching scale applications, this module provides seamless compatibility with SIWAREX S architectures as well as legacy SIMATIC S5 programmable controller series including the 115U, 135U, and 155U racks. Occupying a compact width of a single rack slot, the 7MH3305-1AB delivers reliable, high-precision weighing functionality for demanding industrial processing environments and legacy system maintenance.
Features
Intelligent weighing processor with advanced measured value acquisition and processing
Designed specifically for single-component batching scale applications
Compatible with SIWAREX S and SIMATIC S5 systems (115U, 135U, and 155U)
Compact single-slot width optimized for standard PLC rack integration
Obsolete lifecycle status supporting critical legacy weighing system maintenance
Applications
Industrial single-component batching and filling systems
Material weight measurement in chemical and processing plants
Legacy SIMATIC S5 automation rack retrofits and maintenance
Automated weighing and dosing production lines
Technical Specifications
Specification
Value
Manufacturer
Siemens
Brands
Siemens
Range
Siwarex
Model / Part Number
7MH3305-1AB
Module Type
Weighing Processor Module
Compatible Systems
SIWAREX S; SIMATIC S5 (115U, 135U, 155U)
Slot Width
1 Slot
PLM Product Phase
Obsolete
Dimensions
20.30 x 2.50 x 25.40 cm
Weight
0.60 kg
Commodity Code
85389091
Export Control Regulations (ECCN)
N
Installation Guidelines
Ensure the PLC rack power supply is completely switched off before inserting or removing the weighing module.
Handle the module with proper electrostatic discharge (ESD) precautions to protect sensitive internal circuitry.
Route load cell signal cables using shielded twisted-pair wire, ensuring shields are grounded properly at one end.
Keep weighing signal lines physically separated from high-voltage power cables to eliminate electrical noise and measurement drift.
FAQ
What primary scale application is the 7MH3305-1AB module designed for?
It is designed for single-component batching scale applications and measured value processing.
Which PLC systems are compatible with this weighing processor?
It is compatible with SIWAREX S and SIMATIC S5 systems including 115U, 135U, and 155U racks.
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