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HI 1756-2WS

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HARDY HI 1756-2WS is a dual-channel ControlLogix weigh scale module for two independent process-weighing channels in one slot.
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Technical specifications for HI 1756-2WS

  • Manufacturer:
    HARDY
  • Part Number:
    HI 1756-2WS
  • Product Family:
    HARDY
  • Product Type:
    Dual-channel ControlLogix weigh scale module
  • Stock:
    1
  • Channels:
    Two independent weigh channels
  • Conversion rate:
    50 updates per second
  • Internal resolution:
    1:8,388,608
  • Input capacity:
    Up to four 350-ohm load sensors per scale; four additional sensors for the second scale
  • Load-cell excitation:
    5 VDC, 1.15 W maximum
  • Non-linearity:
    0.0015% of full scale
  • Selectable averaging:
    1 to 255 readings
  • WAVERSAVER cutoffs:
    7.50, 3.50, 1.00, 0.50 and 0.25 Hz
  • Common-mode rejection:
    110 dB at or below 60 Hz
  • Backplane supply:
    5 VDC and 24 VDC
  • Backplane current:
    Less than 1 A at 5 VDC; 0.0125 A at 24 VDC with four 350-ohm cells
  • Operating temperature:
    0 to 60 °C
  • Storage temperature:
    -40 to 85 °C
  • Humidity:
    5 to 95% RH, noncondensing
  • 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 Channel Architecture Calibration Tools Replacement Control Application
  • Two independent weight channels in one slot
  • ControlLogix local or supported remote rack integration
  • C2 calibration, WAVERSAVER and diagnostic commands

HI 1756-2WS consolidates two weighing loops in a single ControlLogix plug-in module.

Its dual-channel architecture reduces rack usage while keeping calibration, filtering and diagnostics available to the PLC for each scale.

A successful exchange depends on the module Series, dual-channel cable assembly, channel-specific settings and the ControlLogix project data structure.

Availability, condition, price, and shipping time for HI 1756-2WS are confirmed during quotation.

HARDY HI 1756-2WS Dual-Channel 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.

  • Two independently configured scale channels
  • Separate live-weight and status values
  • Channel assignments must match the PLC tags
  • C2 electronic calibration
  • Traditional test-weight calibration
  • Integrated weighing-system diagnostics
  • Record both channel calibrations
  • Match dual-channel RTA and cable
  • Validate commands and status bits for each scale
  • Two-vessel batching systems
  • Dual filling or dispensing stations
  • Paired force or level-by-weight measurements
Description
HI 1756-2WS brings two independent weight channels into an Allen-Bradley ControlLogix or supported remote chassis.

Each channel supports bridge-sensor measurement, C2 or traditional calibration and WAVERSAVER filtering, while module commands expose zero, tare, calibration, diagnostics and live-weight functions to the controller.

Replacement planning should confirm the two-channel field connector or remote termination assembly, chassis keying, channel assignments, calibration records and the Series A data structure used by the PLC project.
Alternative Names
HI 1756-2WS HI1756-2WS HI17562WS 1756-2WS 17562WS
Technical notes
HARDY HI 1756-2WS provides two independent ControlLogix weighing channels, each supporting up to four 350-ohm sensors. Series A/B convert at 50 updates/s and Series C at 100 updates/s; WAVERSAVER, C2 calibration, averaging and load-system diagnostics are supported.
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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.
When should HARDY HI 1756-2WS be selected instead of the single-channel module?
Choose HARDY HI 1756-2WS when the application needs two independent scale channels in one ControlLogix slot and the PLC project is built for the dual-channel data structure.
Can one remote termination assembly serve both channels of HARDY HI 1756-2WS?
The documented dual-channel RTA and matching dual cable are intended for HARDY HI 1756-2WS; verify the RTA and cable part numbers before purchasing a bare module.
Will HARDY HI 1756-2WS retain calibration after replacement?
Calibration and configuration must be backed up and deliberately restored; do not assume a replacement HARDY HI 1756-2WS contains the previous channel values.
Why does HARDY HI 1756-2WS show an excitation error?
An excitation error on HARDY HI 1756-2WS can indicate an open or shorted sensor, damaged cable, missing sense arrangement or current outside the expected tolerance.
Can the two channels of HARDY HI 1756-2WS use different filter settings?
For HARDY HI 1756-2WS, the controller parameters expose channel configuration separately; preserve the documented WAVERSAVER and averaging values for each process channel.
What causes a C2 calibration to fail on HARDY HI 1756-2WS?
Check compatible C2 sensors, cable continuity, sensor count, excitation and the channel selected by the PLC command before replacing HARDY HI 1756-2WS.
How should HARDY HI 1756-2WS be validated after installation?
For HARDY HI 1756-2WS, check each channel independently with zero and known load, confirm live-weight mapping, diagnostics, motion status and every zero, tare or calibration command used by the application.