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    Rockwell Automation identifies 1756-M03SE as fully supported while newer products or families may exist.

1756-M03SE

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Allen-Bradley 1756-M03SE is a three-drive SERCOS interface module using a single digital fiber-optic motion ring.
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Technical specifications for 1756-M03SE

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-M03SE
  • Product Family:
    ControlLogix
  • Product Type:
    ControlLogix 3 Axis SERCOS Servo Module
  • Stock:
    1
  • Communication:
    SERCOS
  • Channels:
    3
  • Maximum drives:
    3
  • Data rates:
    4 Mbps / 8 Mbps
  • Full-load power dissipation:
    5 W
  • SERCOS cycle time at 4 Mbps:
    0.5 ms, up to 2 drives
  • SERCOS cycle time at 8 Mbps:
    0.5 ms; 1756-M03SE remains limited to 3 drives
  • Current draw at 5.1 V DC:
    760 mA
  • Current draw at 24 V DC:
    2.5 mA
  • Operating temperature:
    0 to +60°C
  • Storage temperature:
    -40 to +85°C
  • Relative humidity:
    5–95%, noncondensing
  • Dimensions:
    3.46 × 14.52 × 13.18 cm
  • Tariff Code:
    8537101101
  • 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 SERCOS Ring Rate & Timing Drive Compatibility Application
  • Configure the fiber-optic SERCOS ring for no more than three drives on this module
  • Match ring data rate, cycle time and transmit-power settings to the approved motion project
  • Preserve drive compatibility and fiber routing before replacing the interface module

1756-M03SE is an Allen-Bradley ControlLogix 3 Axis SERCOS Servo Module.

Rockwell Automation specifies SERCOS communication, three channels, a maximum of three drives, 4 Mbps or 8 Mbps data rates, 5 W full-load dissipation and listed firmware v38.001.

Replacement requires the complete motion project, compatible drive list, ring topology and optical settings to be checked before axes are enabled.

Availability, condition, price, and shipping time for 1756-M03SE are confirmed during quotation.

Allen-Bradley 1756-M03SE ControlLogix SERCOS Interface 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.

  • Connect the drives in one digital fiber-optic SERCOS ring through the transmit and receive ports
  • Record the drive order and fiber routing before disconnecting 1756-M03SE
  • Use compatible SERCOS fiber cable and verify optical transmit settings for the installed drives
  • 1756-M03SE supports documented 4 Mbps and 8 Mbps SERCOS data rates
  • The generic SERCOS timing table does not override the module's maximum of three drives
  • Match update period, drive count and motion-group timing to the approved Logix project
  • Rockwell Automation lists Kinetix 2000 and Kinetix 6000 SERCOS drive families
  • Kinetix 7000 and Ultra3000 SERCOS drives are also listed for the interface family
  • Confirm the exact drive catalog, firmware, interface type and ring data rate before selection
  • Kinetix 2000 and Kinetix 6000 multi-axis servo systems using SERCOS fiber communication
  • Kinetix 7000 high-power servo systems requiring position, velocity or torque control
  • Ultra3000 SERCOS servo systems with no more than three drives on 1756-M03SE
Description
1756-M03SE is an Allen-Bradley ControlLogix SERCOS motion module for connecting compatible servo drives to a chassis-based motion-control system.

The module exchanges synchronized motion commands, status and axis feedback over a fiber-optic SERCOS ring, enabling the ControlLogix controller to coordinate three servo axes.

Before replacement, verify the controller motion project, chassis slot, axis assignments, supported drives, SERCOS ring order and data rate, optical-fiber routing, and compatible firmware.
Alternative Names
1756-M03SE 1756 M03SE 1756M03SE Allen-Bradley 1756-M03SE Rockwell Automation 1756-M03SE ControlLogix 1756-M03SE
Technical notes
1756-M03SE is a three-axis fiber-optic SERCOS interface; preserve drive compatibility, ring order, data rate, fiber settings and v38.001 project context.
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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 reviewed before expanding a motion system using Allen-Bradley 1756-M03SE?
Confirm the axis plan, drive compatibility, ring topology, controller project, update timing, and commissioning capacity before adding drives or changing Allen-Bradley 1756-M03SE.
How should the SERCOS network be commissioned with Allen-Bradley 1756-M03SE?
Establish the approved ring topology, network settings, fiber components, drive order, and project configuration together; changing one setting can prevent Allen-Bradley 1756-M03SE from validating.
Can Allen-Bradley 1756-M03SE connect to a drive with an electrical SERCOS port?
No assumption is valid. The module uses a digital fiber-optic SERCOS link; verify the drive interface and approved fiber components.
Why can Allen-Bradley 1756-M03SE remain in a connecting or validating state?
Review the SERCOS ring, baud rate, update rate, fiber transmit power, module configuration, and drive status in the controller project.
How can buyers confirm a drive is compatible with Allen-Bradley 1756-M03SE?
Match the exact drive family, firmware, fiber interface, feedback arrangement, and motion-project profile against Rockwell documentation before approving the combination.
When should Allen-Bradley 1756-M03SEK be selected instead of 1756-M03SE?
Select the K variant only when conformal coating is required and environmental, wiring, firmware, and project conditions are approved for that hardware.
What must be retained when replacing Allen-Bradley 1756-M03SE?
Record the fiber-ring order, baud rate, cycle time, transmit-power setting, drive list, and current motion project before removing Allen-Bradley 1756-M03SE.