Allen-Bradley 1771-WS Weigh Scale Module

The Allen-Bradley 1771-WS Weigh Scale Module is designed for high-precision weight measurement in industrial environments. It integrates seamlessly with Allen-Bradley PLC-5 family controllers, enabling effective communication and data transfer via the I/O chassis backplane. This module supports a variety of strain gage load sensors, providing accurate weight readings for critical applications.

Key Specifications

• Power Requirements:

• Current Draw: 1.2 A @ 5V DC

• Excitation Voltage: 10V DC (for up to four 350-ohm load sensors)

• Communication:

• Reads weight data from strain gage load sensors.

• Data is transmitted to Allen-Bradley PLC-5 controllers over the I/O chassis backplane.

• Resolution:

• Over one million counts of resolution across a differential signal range of 0 to 30mV.

Features

• Compatibility:

• Mounts in the Allen-Bradley 1771 Universal I/O chassis.

• Diagnostics:

• Equipped with internal diagnostic switches and two bi-color LEDs to monitor the functional status of the module.

• Calibration:

• Supports both traditional and electronic calibration methods using Hardy Instruments' C2® technology.

• Auto Zero Tracking:

• Automatically adjusts for material build-up on the weighing system, with an adjustable zero tolerance.

• WAVERSAVER® Technology:

• Reduces the impact of unwanted plant vibrations during weighing operations, ensuring consistent results.