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1756-DMA31

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Allen-Bradley 1756-DMA31 is a ControlLogix drive module that links one controller slot with one SA3100 Power Module Interface chassis for coordinated velocity, position, or torque control.
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Technical specifications for 1756-DMA31

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-DMA31
  • Product Family:
    ControlLogix
  • Product Type:
    ControlLogix Drive Module for SA3100 Drives
  • Stock:
    1
  • Controlled drive platform:
    SA3100
  • Drive interface capacity:
    One PMI chassis per module
  • Supported control functions:
    Velocity, position, and torque control
  • SynchLink network rate:
    5 Mbps
  • Firmware release:
    Major 1, minor 11
  • RSLogix 5000 requirement:
    Version 8.02.00
  • RSLinx requirement:
    Version 2.30
  • RSNetWorx for ControlNet requirement:
    Version 3.00
  • DriveExecutive requirement:
    Version 1.01
  • Volts-per-hertz controller format:
    Custom User Defined
  • Supported input classes:
    230 V AC, 310 V DC, 460 V AC, 575 V AC, 620 V DC, and 775 V DC
  • 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 Drive Interface Software Match Commissioning Application
  • Connects a ControlLogix controller to one SA3100 PMI chassis
  • Supports velocity, position, and torque control rather than general-purpose I/O
  • Uses a documented software and firmware set for drive commissioning

1756-DMA31 occupies the control boundary between a Logix project and an SA3100 drive installation. Its role is defined by the paired PMI chassis and the selected control mode.

The official release notes focus on firmware/software compatibility and two commissioning hazards: an incorrect controller communication format for volts-per-hertz operation and transient PMI faults during power cycling.

Before installation or replacement, verify the SA3100 power-unit class, PMI chassis allocation, SynchLink arrangement, controller format, firmware, and archived DriveExecutive project.

Availability, condition, price, and shipping time for 1756-DMA31 are confirmed during quotation.

Allen-Bradley 1756-DMA31 ControlLogix Drive Module for SA3100 Drives 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.

  • Interfaces one ControlLogix module with one SA3100 PMI chassis
  • Supports velocity, position, and torque-control functions
  • Requires the power-unit class and drive project to match the installed SA3100 system
  • Use firmware major 1, minor 11 with the documented software environment
  • Retain the RSLogix 5000 and DriveExecutive project records before replacement
  • Confirm the controller communication format before restoring the application
  • Use Custom User Defined communication format for volts-per-hertz operation
  • Allow PMI communication to reinitialize after a power cycle
  • Clear or reset persistent PMI communication faults using the documented procedure
  • Single-axis SA3100 velocity-control applications
  • SA3100 position-control installations coordinated through ControlLogix
  • SA3100 torque-control systems using the documented PMI and SynchLink architecture
Description
1756-DMA31 provides the ControlLogix interface for a single SA3100 drive and its associated Power Module Interface chassis.

The module supports controller-directed velocity, position, and torque functions, while its documented SynchLink connection carries deterministic drive-system timing at 5 Mbps.

Commissioning depends on the matching SA3100 power-unit type, controller communication format, firmware revision, and saved drive project; the release notes require a custom user-defined format for volts-per-hertz operation.
Revisions

Revision Part #

Also known as

1756-DMA31 Ser A
1756-DMA31/A, Series A, Rev A
Alternative Names
1756-DMA31 1756-DMA31/A Allen-Bradley 1756-DMA31 Allen Bradley 1756-DMA31 Rockwell Automation 1756-DMA31 ControlLogix Drive Module 1756-DMA31
Technical notes
1756-DMA31 replacement requires the matching SA3100 PMI chassis, power-unit class, firmware, SynchLink arrangement, and saved controller format; an incorrect drive or format prevents commissioned operation.
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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.
Is 1756-DMA31 intended for any Allen-Bradley drive?
No. Rockwell Automation identifies 1756-DMA31 for the SA3100 drive platform and one associated PMI chassis. Confirm the complete drive family and power-unit arrangement before ordering.
Can a replacement 1756-DMA31 retain the installed SA3100 PMI chassis?
Only when the PMI chassis, power-unit class, SynchLink arrangement, firmware, and controller communication format match the documented SA3100 design. Confirm the complete drive architecture before commissioning.
Can 1756-DMA31 run a volts-per-hertz application with a standard controller format?
No. The official release notes require the Custom User Defined controller communication format for volts-per-hertz operation; selecting another format can prevent the module from connecting to the controller.
Why can 1756-DMA31 report PMI communication faults after a power cycle?
The release notes describe transient PMI communication faults while the drive module re-establishes synchronized communication. Clear faults after initialization and follow the documented reset procedure if the condition remains.
Does one 1756-DMA31 control more than one PMI chassis?
No. Rockwell Automation documents one 1756-DMA31 module interfacing with one PMI chassis, so multi-axis or multi-drive arrangements require the engineered module allocation.
Which software versions matter when servicing 1756-DMA31?
The release notes associate firmware 1.11 with RSLogix 5000 8.02.00, RSLinx 2.30, RSNetWorx for ControlNet 3.00, and DriveExecutive 1.01; verify the existing project before changes.
Can 1756-DMA31 be selected only by matching the ControlLogix slot?
No. Slot fit does not establish compatibility. The SA3100 drive, PMI chassis, input-voltage class, communication format, firmware, and saved controller/drive configuration must all match.

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