The Allen-Bradley 1756-WS is a high-performance weigh scale module engineered specifically for the ControlLogix automation platform. By integrating Hardy Process Solutions technology, this module enables the direct interface of industrial load cells and weighing platforms to the ControlLogix backplane, eliminating the requirement for intermediary weight transmitters or external signal conditioning hardware.
Features
Direct integration with ControlLogix backplane for seamless data exchange.
Supports up to four 350-Ohm load cells per single-channel module.
High-speed processing with an update rate of 50 updates per second.
Exceptional measurement precision with a non-linearity rating of 0.0015% of Full Scale.
5V DC excitation voltage for reliable sensor performance.
Applications
This module is optimized for demanding industrial weighing environments, including automated batching systems, material filling lines, vessel weight monitoring, and precise force measurement applications.
Technical Specifications
Brand
Allen-Bradley (Hardy Process Solutions)
Product Line
ControlLogix
Module Type
Weigh Scale / Load Cell Interface
Channels
1 Channel
Update Rate
50 updates/second
Non-Linearity
0.0015% of Full Scale
Excitation Voltage
5V DC
Operating Temp
0 to 60 degC
Storage Temp
-40 to 85 degC
Installation Guidelines
Ensure the ControlLogix chassis is powered down before module insertion or removal to prevent electrical damage.
Use shielded cabling for load cell connections to minimize EMI interference in industrial environments.
Maintain proper grounding practices for the chassis to ensure signal integrity and electrical safety.
Ensure the module is fully seated in the slot and the locking latch is engaged before applying power.
Verify that the load cell configuration matches the input requirements before initializing the module in the software environment.
FAQ
Does this module require an external transmitter? No, the 1756-WS is designed to interface directly with load cells, bypassing the need for an external transmitter.
How many load cells can this module support? The module supports the connection of up to four 350-Ohm load cells.
