AB 1771-HS3A
AB 1771-HS3A
AB 1771-HS3A
AB 1771-HS3A
AB 1771-HS3A
AB 1771-HS3A
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1771-HS3A

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Allen-Bradley 1771-HS3A is an IMC 123 motion-control module used with 1771-series axis termination hardware and dedicated feedback connections.
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Technical specifications for 1771-HS3A

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1771-HS3A
  • Product Family:
    PLC-5
  • Product Type:
    IMC 123 Motion-Control Module
  • Stock:
    1
  • Motion-Control Platform:
    IMC 123
  • Axis Interconnect Cable:
    1771-CAE
  • Compatible Termination Panels:
    1771-HTE, 1771-HTR, and 1771-HTT
  • Cable Connector:
    26-pin subminiature D connector
  • Specified Cable Type:
    Belden 8774 or equivalent
  • Nominal Interconnect Length:
    120 in (+5.50 / -1.50 in)
  • Encoder Signal Groups:
    AX, BX, and ZX differential channels with shields
  • Feedback Signals:
    Feedback I/O, Drive X, returns, grounds, and shields
  • Cable Supply Conductors:
    +5 V and +15 V
  • Remote-I/O Compatibility Restriction:
    Not compatible with 1771-ASB adapters earlier than Series C, firmware revision D
  • Tariff Code:
    8537101190
  • 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 Axis Feedback Cable Interface Installation Application
  • Interfaces IMC 123 axis control with dedicated feedback and drive wiring
  • Uses the documented 1771-CAE cable and compatible axis termination panel
  • Requires feedback polarity, shielding and axis wiring to be preserved during service

1771-HS3A is an Allen-Bradley IMC 123 motion-control module for a 1771 I/O chassis.

Its axis connection depends on the specified 1771-CAE cable, termination hardware and differential feedback signals rather than general-purpose 1771 field wiring.

Before exchanging the module, identify the installed termination panel and record feedback polarity, shield connections, drive commands and machine-direction conventions.

Availability, condition, price, and shipping time for 1771-HS3A are confirmed during quotation.

Allen-Bradley 1771-HS3A IMC 123 Motion-Control 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.

  • Encoder feedback is carried through differential AX, BX, and ZX signal pairs
  • Feedback and drive conductors use dedicated returns, grounds, and shields
  • Preserve the installed axis assignments before disconnecting the module
  • The 1771-CAE cable links the module to the documented axis termination panel
  • Both cable ends use 26-pin subminiature D connector hardware
  • Inspect connector pins, cable shielding, and strain relief before reuse
  • Confirm remote-I/O adapter compatibility before installing the module
  • Match the termination-panel catalog number and cable orientation
  • Restore the verified IMC 123 application configuration before axis commissioning
  • IMC 123 multi-axis machine control
  • Legacy encoder and drive-feedback termination
  • Maintenance replacement in documented 1771 motion systems
Description
In an IMC 123 motion-control installation, the 1771-HS3A provides the module-side interface between the programmed axis functions and the machine’s feedback and drive-control hardware.

Field wiring is routed through a 1771-CAE interconnect cable to the applicable axis-termination panel. The documented arrangements include the 1771-HTE for encoder feedback, the 1771-HTR for resolver feedback, and the 1771-HTT for Temposonics feedback.

The selected termination panel, feedback device, interconnect cable, drive wiring, shielding, grounding, connector pinout, and saved IMC 123 configuration must correspond to the installed axis arrangement; choosing the module by catalog number alone does not establish a complete compatible system.
Alternative Names
1771-HS3A 1771 HS3A 1771HS3A Allen-Bradley 1771-HS3A Allen Bradley 1771-HS3A Rockwell Automation 1771-HS3A IMC 123 1771-HS3A
Technical notes
1771-HS3A requires the correct IMC 123 slot, 1771-CAE cable, termination panel, feedback wiring, and adapter firmware; mismatched interfaces can interrupt axis control.
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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.
What should be matched before replacing 1771-HS3A?
Confirm the IMC 123 application, chassis position, compatible remote-I/O adapter firmware, 1771-CAE cable, termination-panel catalog number, connector hardware, feedback wiring, and grounding before removing the installed module.
Which termination panels are documented for 1771-HS3A?
Rockwell Automation's 1771-CAE cable drawing identifies 1771-HTE, 1771-HTR, and 1771-HTT as the mating axis termination panels; verify the installed panel before ordering a replacement.
Which cable should connect 1771-HS3A to the axis termination panel?
Use the documented 1771-CAE interconnect cable and confirm both 26-pin connectors, cable condition, shield continuity, and conductor assignments before commissioning the axis.
Can 1771-HS3A be used with an early 1771-ASB remote-I/O adapter?
Rockwell Automation's compatibility table states that 1771-HS3A is not compatible with 1771-ASB adapters earlier than Series C with firmware revision D.
What wiring should be preserved when replacing 1771-HS3A?
Record the AX, BX, and ZX feedback pairs, shields, feedback I/O, Drive X, power conductors, returns, grounds, and the termination-panel end of the 1771-CAE cable.
Does 1771-HS3A require a compatible termination panel?
Yes. The official interconnect drawing routes the module through 1771-CAE to a documented 1771-HTE, 1771-HTR, or 1771-HTT panel rather than directly to loose field wiring.
Why can an installed 1771-HS3A fail after a like-for-like swap?
Check adapter firmware compatibility, cable orientation, bent connector pins, shield and ground continuity, axis-feedback assignments, and the restored IMC 123 configuration before suspecting the replacement module.