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ABB DSP P4LQ HENF209736R0003 Control CardsABB DSP P4LQ HENF209736R0003 Control CardsABB DSP P4LQ HENF209736R0003 Control Cards
ABB DSP P4LQ HENF209736R0003 Control Cards
ABB DSP P4LQ HENF209736R0003 Control Cards
ABB DSP P4LQ HENF209736R0003 Control Cards

ABB DSP P4LQ HENF209736R0003 Control Cards


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PRODUCT SKU : DSP P4LQ HENF209736R0003

PRODUCT TYPE : Control Cards

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The ABB DSP P4LQ HENF209736R0003, also cataloged as the DSP P4LQ Control Cards, operates as a dedicated hardware component for real-time digital signal processing and control logic execution within ABB Symphony Plus and AC800M platforms.

Hardware Specifications

Parameter Specification
Model DSP P4LQ
Order Code HENF209736R0003 (HENF436961P106)
Brand ABB
Origin Sweden
Product Type Control Cards
Architecture High-performance DSP core for real-time control
Power Consumption 10 to 15 W
Operating Voltage 24 VDC
Weight 0.5 kg
Dimensions Standard subrack card format
Operating Temp 0 to 60 deg C

Backplane Bus Communication & Firmware Flash Compatibility

The ABB DSP P4LQ control board utilizes standard backplane bus communication velocity channels to execute low-latency data transfers and deterministic signal conditioning loops. High-density firmware flash memory onboard ensures synchronization with host CPU cycles, preventing buffer overflows during intensive control logic processing. Dedicated bus arbitration logic maintains deterministic communication protocols across linked subrack backplanes.

Frequently Asked Questions

Q: What is the primary function of the DSP processor core on the DSP P4LQ card?

A: The DSP core executes real-time digital signal processing, control algorithms, and communication protocol translation without offloading computation tasks to the primary rack controller.

Q: Is hot-swapping permitted for the DSP P4LQ control card during active operation?

A: Hot-swapping should be avoided unless the parent subrack architecture explicitly supports live insertion and the control loop has been transferred to a redundant standby module.

Field Installation Guidelines

  1. Ensure main cabinet power supply and auxiliary 24 VDC feeds are de-energized prior to inserting or removing the card.
  2. Align the printed circuit board edges with the subrack card guide channels and push firmly until backplane bus pins seat completely.
  3. Fasten top and bottom front-panel retaining screws to establish chassis earthing and prevent vibration displacement.
  4. Verify that all interconnecting communication field wiring shields are bonded directly to the local ground bus bar.
  5. Maintain clear airflow spacing around the subrack enclosure to prevent localized thermal buildup around the processing board.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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