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HI 1756-WS

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HARDY HI 1756-WS is a single-channel ControlLogix weigh scale module for direct load-cell measurement, calibration and diagnostics.
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Technical specifications for HI 1756-WS

  • Manufacturer:
    HARDY
  • Part Number:
    HI 1756-WS
  • Product Family:
    HARDY
  • Product Type:
    Single-channel ControlLogix weigh scale module
  • Stock:
    1
  • Channels:
    One weigh channel
  • Conversion rate:
    Series A/B 50 updates per second; Series C 100 updates per second
  • Internal resolution:
    1:8,388,608
  • Signal input:
    -0.3 to +15.3 mV
  • Sense input:
    +5 VDC
  • Load-cell excitation:
    5 to 8.75 VDC
  • Common-mode rejection:
    100 dB at or below 60 Hz
  • Selectable averaging:
    1 to 255 readings
  • WAVERSAVER:
    Five selectable steps at 0.25 Hz and above
  • Backplane demand:
    Less than 1 A at 5 VDC; less than 0.0125 A at 24 VDC with four 350-ohm cells
  • Operating temperature:
    0 to 60 °C
  • Storage temperature:
    -40 to 85 °C
  • Relative humidity:
    5 to 95%, noncondensing
  • Diagnostics:
    Tri-color scale and module LEDs
  • Weight:
    0.5 kg
  • Tariff Code:
    9031809090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Signal Path Calibration Options Service Diagnostics Application
  • One complete scale channel in a ControlLogix slot
  • High-resolution load-cell measurement
  • Electronic or test-weight calibration

HI 1756-WS integrates a process scale directly into a ControlLogix system.

The module supplies the sensor circuit and converts the bridge signal while providing the PLC with weight, motion, calibration and diagnostic information.

Series, connector arrangement, saved calibration and the installed sensor network are the critical replacement records.

Availability, condition, price, and shipping time for HI 1756-WS are confirmed during quotation.

HARDY HI 1756-WS ControlLogix Weigh Scale Module Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Millivolt bridge input with excitation and sense
  • Net, gross and rate-of-change values
  • Selectable filtering and averaging
  • C2 electronic calibration
  • Traditional certified-weight calibration
  • Front-button or controller-command initiation
  • Excitation-current monitoring
  • Scale and module status LEDs
  • Optional junction-box tests for cable and sensor isolation
  • Batch and blend weighing
  • Filling and dispensing control
  • Force, level-by-weight and check weighing
Description
HI 1756-WS occupies one ControlLogix slot and processes one complete scale channel for the controller application.

The module combines high-resolution weight conversion with C2 electronic calibration, WAVERSAVER vibration rejection, excitation monitoring and net, gross and rate-of-change data.

Confirm the single-channel field connector or RTA cable, Series and firmware compatibility, load-cell circuit and saved channel parameters before transferring the weighing point.
Alternative Names
HI 1756-WS HI1756-WS HI1756WS 1756-WS 1756WS
Technical notes
HARDY HI 1756-WS is a one-channel ControlLogix weighing interface with bridge excitation, high-resolution conversion, selectable averaging, WAVERSAVER filtering, C2 calibration, excitation monitoring and tri-color diagnostics.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can HARDY HI 1756-WS replace the dual-channel version?
HARDY HI 1756-WS is the single-channel version; it cannot replace a dual-channel module unless the PLC project and field wiring are deliberately redesigned.
Why is the Series label important when ordering HARDY HI 1756-WS?
For HARDY HI 1756-WS, series A/B and Series C have different documented update rates, so preserve the installed Series and verify project compatibility.
Does HARDY HI 1756-WS require test weights for calibration?
HARDY HI 1756-WS can use C2 electronic calibration with compatible sensors or a traditional calibration with certified test weights.
What should be checked when the scale LED on HARDY HI 1756-WS is red?
Review the module status, millivolt input, excitation and sense wiring, sensor circuit and stored parameters before declaring HARDY HI 1756-WS faulty.
Can HARDY HI 1756-WS diagnose an unstable vessel?
With the supported junction-box arrangement, HARDY HI 1756-WS diagnostics help separate instrument, cable and individual load-sensor causes of drift or instability.
Which accessories may be missing from a bare HARDY HI 1756-WS?
A bare HARDY HI 1756-WS may not include the removable connector, remote termination assembly, cable, junction box or load-cell accessories needed by the installation.
What commissioning evidence should be recorded for HARDY HI 1756-WS?
Record zero, known-load response, calibration type, filter and averaging values, excitation status, PLC data mapping and normal LED state for HARDY HI 1756-WS.