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Description
Overview
The DSPP4LQ HENF209736R0003 is a high-capacity system processor module developed by ABB for digital protection, control, and automation platforms. It operates as the primary computing and coordination unit within ABB DSP Protection & Control architectures, delivering deterministic processing performance for time-critical protection logic, monitoring, and communication tasks.
Designed for continuous operation in utility-grade and industrial environments, this processor module combines real-time execution, robust communication handling, and modular system integration to support complex protection and control strategies.
System Functionality
Within a DSP protection rack or control system, the DSPP4LQ (HENF209736R0003) performs centralized processing functions, including protection algorithm execution, system supervision, event handling, and coordination of distributed I/O and communication modules. The architecture supports scalable system expansion and minimizes service interruption during maintenance or upgrades.
Typical roles include:
Execution of real-time protection and control logic
Coordination of subsystem communication
Collection and preprocessing of operational data
Management of alarms, events, and diagnostics
Technical Specifications
General Characteristics
Model: DSPP4LQ / DSPP4LQA
Part Number: HENF209736R0003
Manufacturer: ABB
Module Category: System Processor / Protection & Control CPU
Design Standard: ABB DSP Protection & Control Systems
Processing Capabilities
High-performance embedded processor optimized for deterministic response
Real-time task scheduling for protection and control functions
Support for advanced event sequencing and time-stamped data handling
Designed for continuous, non-interruptive operation
Communication Interfaces
Integrated Ethernet communication ports for system and network integration
Serial communication channels for legacy and auxiliary connections
Supports internal backplane communication within DSP system assemblies
Electrical Parameters
Nominal supply voltage: 24 V DC
Typical power consumption: approximately 10 W
Designed for industrial power stability requirements
Mechanical Properties
Dimensions: 160 × 120 × 90 mm
Weight: 1.2 kg
Mounting: system rack / backplane installation
Environmental Ratings
Operating temperature range suitable for industrial and utility substations
Designed for vibration-resistant and electrically noisy environments
Ingress protection: IP20 (system-level enclosure dependent)
Reliability and Design Considerations
The DSPP4LQ (HENF209736R0003) is engineered for long-term deployment in mission-critical installations. Component selection and thermal design emphasize reliability, while the modular system concept supports rapid replacement and lifecycle management without extensive downtime.
Typical Application Areas
Electrical substation protection and automation systems
Power generation and transmission control
Industrial process protection and monitoring
Distributed control and supervision networks
ABB DSP-based protection and control platforms
FAQ
What role does the DSPP4LQ play in a protection system?
It functions as the central processor, executing protection logic, managing communication, and coordinating data flow between protection, control, and monitoring modules.
Is this module suitable for continuous operation?
Yes. It is designed for 24/7 operation in high-reliability industrial and utility environments.
Can it be integrated into existing ABB DSP systems?
The module is specifically designed for ABB DSP Protection & Control architectures and supports seamless integration with compatible system components.
Features
We welcome bulk orders and have a minimum order quantity of just one unit.
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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