1756-2WS Dual Weigh Scale Module by Allen-Bradley ControlLogix

Product Overview

The 1756-2WS is a dual weigh scale module for the ControlLogix platform. It provides high-resolution weight data for industrial processes. This module supports up to eight load cells. It uses a 5V DC excitation voltage. The conversion rate is 50 updates per second. Users can select averages from 1 to 255. The internal resolution is 1:8,388,608. This module is hot swappable for easy maintenance. It supports C2 electronic or manual calibration.

Application Scenarios

This module works well in batching systems. It is ideal for mixing and filling operations. Use it for inventory monitoring of bulk materials. It fits in chemical, food, and pharmaceutical plants. The module integrates with CompactLogix systems. It offers reliable weight control for hoppers and tanks. The dual-channel design allows two vessels per module. This saves space in your control panel.

Technical Specifications

Input voltage range is -0.3 to 15.3 millivolts. Output voltage is 5 to 8.75 Volts DC. Operating temperature is 32 to 140 degrees Fahrenheit. Current draw is less than 0.0125 Amps at 24V DC. It draws less than 1 Amp at 5V DC. The module weighs 0.5 kilograms. It holds certifications for UL, CE, RoHS, and REACH. The module supports 350 Ohm full Wheatstone bridges.

Installation & Maintenance Guide

Install the module into any ControlLogix chassis slot. Ensure the chassis power is off before insertion. Use the correct keying for the slot. Connect load cells to the terminal block. Set the DIP switches for your configuration. Calibrate using C2 electronic or manual methods. The module is hot swappable for replacement. Do not remove cables while powered. Check connections for tightness regularly.

Packing List

One 1756-2WS dual weigh scale module. One installation guide. One terminal block. No cables are included. No software is included. The product is packaged in an anti-static bag. It ships in a secure box. Shipping is via FedEx, UPS, or DHL.