Company Information | ||||||||
[email protected] | ||||||||
Mobile | +8613666033393 | |||||||
+8613666033393 | ||||||||
13666033393 | ||||||||
Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Product Introduction
The ABB NU8976A HIEE320693R0001 is a high-performance industrial circuit board module designed for use in ABB’s Distributed Control Systems (DCS), particularly within the ABB Advant, Symphony, or Freelance control architectures. As part of a modular automation platform, this board plays a vital role in data acquisition, signal conditioning, communication interfacing, or control execution, depending on the system configuration and application.
Renowned for its robust design, electromagnetic immunity, and operational reliability in mission-critical environments, the NU8976A ensures seamless system performance even under continuous industrial stress. It is typically mounted within a control cabinet and communicates with other system modules via ABB’s proprietary high-speed backplane or bus systems.
This board meets the stringent electrical and environmental requirements for process automation in sectors such as oil & gas, power generation, chemical processing, and water treatment.
Product Specifications
Parameter | Specification |
---|---|
Product Name | NU8976A HIEE320693R0001 |
Manufacturer | ABB |
Product Type | Industrial Circuit Board Module |
System Compatibility | ABB Symphony, Advant, Freelance DCS systems |
Function | Signal processing / Data acquisition / Communication interfacing (varies by setup) |
Communication Interface | Proprietary ABB backplane bus or I/O system bus |
Power Supply | 5 VDC or 24 VDC (via rack or base) |
Operating Voltage | Varies depending on system; typically 5 VDC logic level |
I/O Type | Digital/Analog (depending on board configuration) |
Connectors | Multi-pin backplane connectors and edge terminals |
Redundancy Support | Yes, in redundant control architectures |
Diagnostic Features | Board-level LED indicators, fault isolation circuits |
Operating Temperature | -20°C to +70°C |
Storage Temperature | -40°C to +85°C |
Humidity | 5%–95% non-condensing |
Shock Resistance | Compliant with IEC 60068-2-27 |
Vibration Resistance | Compliant with IEC 60068-2-6 |
Cooling Method | Passive convection via system rack |
Certifications | CE, UL, CSA, RoHS compliant |
Dimensions (W x H x D) | 180 x 30 x 115 mm |
Weight | 0.35 kg |
Product Applications
The ABB NU8976A is widely used in process automation and distributed control systems, particularly in complex, mission-critical industries requiring real-time signal processing and data reliability. Its typical applications include:
-
Power Generation Plants: Managing turbine controllers, boiler logic, excitation systems, and auxiliary power units.
-
Petrochemical and Refining: Real-time process control, analog signal conversion, and communication with HART-enabled transmitters.
-
Oil and Gas: Wellhead monitoring, gas compressor station logic, and pipeline automation.
-
Water and Wastewater Treatment: Supervisory control of filtration, pump stations, and chemical dosing.
-
Metallurgy and Mining: Monitoring conveyor systems, mixers, and smelter automation.
-
Pulp & Paper Mills: Used in batch control, temperature regulation, and feedback loops.
Product Advantages
-
System Integration: Fully compatible with ABB’s DCS platforms (Freelance, Symphony, Advant), offering seamless module interaction.
-
Robust Electrical Design: Built to endure industrial EMI conditions and voltage fluctuations.
-
High Reliability: With redundant architecture support, the NU8976A minimizes failure risks during critical operations.
-
Compact Size: Easily installed into rack-based systems without consuming excessive panel space.
-
Field-Tested Durability: Extensively used in harsh industrial environments with proven operational success.
-
LED Diagnostics: Built-in indicators simplify troubleshooting and module status verification.
-
Modular Scalability: Easily replaceable or upgradable in large control systems, reducing system downtime.
-
Support for Mixed Signals: Capable of handling analog and digital I/O depending on configuration.
-
Backplane-Powered: Requires no separate power wiring, streamlining system design.
Frequently Asked Questions (FAQ)
-
What communication protocol does the NU8976A support within ABB DCS systems?
The NU8976A communicates via ABB’s proprietary high-speed system or I/O backplane bus. -
Can this board be hot-swapped during system operation?
Yes, when used in systems that support hot-swap capabilities like redundant Freelance or Symphony configurations. -
Is this module capable of processing analog signals directly?
Depending on configuration, it may process analog signals or function in conjunction with dedicated analog modules. -
Does this circuit board support hardware-level diagnostics?
Yes, onboard LEDs indicate operational and fault states for rapid troubleshooting. -
How is the module powered within the control system?
It receives power directly through the rack-mounted base, usually 5V or 24V depending on the control system. -
Is this module suitable for redundant system architectures?
Absolutely. It is commonly used in fault-tolerant DCS environments where dual-redundancy is essential. -
What type of connectors does the NU8976A utilize?
The board uses edge-type connectors and multi-pin headers that integrate with ABB’s system backplane. -
Can this board be used for high-speed logic control tasks?
Yes, the NU8976A is engineered to support deterministic timing and high-speed digital logic execution. -
Is firmware embedded in this board or handled externally?
Firmware is managed externally via the control CPU or controller; the board functions as an interface or processing element. -
What protections are included to handle over-voltage or signal noise?
The board includes optical isolation, transient suppression, and conformal coating to ensure signal integrity and protection.
Related Models (Same Series or Function)
Model Number | Description |
---|---|
NU8475A HIEE400927R0001 | ABB I/O processor module for Symphony DCS systems |
NU6931A HIEE401247R0001 | Digital Input module for control cabinet use |
NU8895A HIEE300698R0001 | Communication interface board for Advant OCS |
IMDSO14 | 14-channel output module for ABB DCS |
IMASI23 | Analog signal input board with HART support |
NI0C01 | Control interface circuit board for Symphony Plus DCS |
Popular ABB Models (Same Brand)
Model Number | Description |
---|---|
PM864AK01 | AC 800M High-Performance Controller |
CI854AK01 | Communication Interface, PROFIBUS DP |
SD822 | Redundant Power Supply Module for S800 I/O |
TU810V1 | Terminal Unit for S800 I/O |
07KT98 GJR5253100R3260 | Controller Module for Advant OCS Systems |
07AC91 GJR5252300R0101 | Analog Input Controller Module used in ABB automation infrastructures |