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The Allen-Bradley 1746-WS is a high-precision weigh scale module designed for the SLC 500 controller platform. It serves as a direct interface between the PLC and industrial load cells, eliminating the need for external weight transmitters. This module is ideal for industrial weighing applications such as tank/vessel weighing, hopper scales, and platform scales where high accuracy and reliability are required.
| Brand | Allen-Bradley |
| Product Line | SLC 500 |
| Module Type | Weigh Scale Module |
| Number of Channels | 2 |
| Backplane Current Draw | 0.25 Amps (250 mA) @ 5V DC |
| Load Cell Excitation | 5V DC |
| Load Cell Rating | 350 Ohms |
| Accuracy | +/- 2% |
| Common-Mode Rejection | 110 dB (at or below 60 Hz) |
| Conversion Rate | 20 updates per second |
| Output Type | 2 x TTL level digital outputs |
The 1746-WS is designed to interface directly with strain gauge load cells, converting raw millivolt signals into digital weight data for processing by an Allen-Bradley SLC 500 controller.
The module is capable of supporting up to eight (8) full Wheatstone bridge, 350 Ohm load sensors on a single vessel.
No, the 1746-WS acts as a direct interface, which eliminates the need for additional external weight transmitters in the signal path.