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The Hardy HI 1769-WS module is a weigh scale module designed by Hardy Process Solutions for Allen-Bradley MicroLogix 1500 or CompactLogix programmable controllers. It is a single-channel weigh scale module.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Weigh Scale Module |
| Product Line | CompactLogix |
| Part Number | 1769-WS |
| Weight | 2.00 lbs (0.91 kg) |
| Power | Provided from the backplane of the rack: +5Vdc |
| Backplane Current | < 0.5 Amps at 5V DC |
| Inputs | Signal, -0.3mV through +15.3 mV and Sense, +5Vdc |
| Outputs | Excitation 5V DC |
| Common Mode Rejection | 100dB at or below 60 Hz (minimum) |
| Resolution | Internal, 1:8,388,608 |
| Vibration Frequency Rejection | 0.25 Hz and above in 5 selectable steps |
| Operating Temperature | 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) |
| Storage Temperature | -40 to 65 degrees Celsius (-40 to 185 degrees Fahrenheit) |
| Humidity | 5 to 95% (non-condensing |
| Weighing Modes | Net, Gross, Rate-of-change |
| Calibration | Electronic (C2) and Traditional (test weights) |
| Conversion Rate | 100 updates per second |
| Standards | UL/CUL, CE and Class I, Div 2, Group A, B, C & D |
| Indicators | âOKâ Module Status, bi-color LED, âScale 1â Functional Data, bi-color LED and âScale 2â Functional Data, bi-color LED |
The Hardy HI 1769-WS Weigh Scale Module was designed by Hardy Process Solutions for use with the Allen-Bradley MicroLogix 1500 and CompactLogix programmable controllers. It is available as a single-channel module. The weigh scale module has a WAVERSAVER feature installed to get rid of the disruptive vibrations that are commonly found in measurement and weight control applications. The WAVEWSAVER feature only allows below 0.25 Hertz of unwanted vibration signals and it provides stable actual readings. The Hardy HI 1769-WS Weigh Scale Module conditions and digitizes weight signals for 110 times per second with more than 8 million resolution counts over a differential signal between 0 to 15 millivolts. It provides 5 Volts DC excitation voltage to propel as far as four 350-ohm load cells or load sensors linked to a single (WS) scale.
It also has an Integrated Technician (IT) feature that is used concurrently with an IT Junction Box to offer built-in system diagnostics that allow for the diagnosing and troubleshooting of the weighing system. The Hardy HI 1769-WS Weigh Scale Module has specific environmental conditions that include a storage temperature range between -40 and 65 degrees Celsius (-40 to 185 degrees Fahrenheit) and an operating temperature range of 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit). It has a non-condensing relative humidity range of 5 to 95 percent and a weight of 0.27 kilograms (0.6 pounds). The weigh scale module has approvals from various standards including the UL/CUL, CE and Class I, Div 2, Group A, B, C, and D standards.