Description

Application Scenarios

At a combined-cycle power plant in Ontario,Canada,an aging AC 800M controller began experiencing intermittent communication faults between the CPU and I/O modules,leading to alarm floods and operator confusion.Diagnostics revealed a failing control board in the primary controller rack.After replacing the unit with a fully tested ABB GVC750BE101(3BHE009681R0101),the system restored stable communication across all field networks.The GVC750BE101’s dual Ethernet ports enabled seamless integration with the plant’s redundant Profinet backbone,while its built-in watchdog timer prevented lockups during peak load events.Over the next 18 months,the DCS recorded zero unplanned CPU faults,demonstrating the GVC750BE101’s role in ensuring control system resilience under dynamic grid conditions.

Parameters

Main Parameters Value/Description

Product Model GVC750BE101

ABB Part Number 3BHE009681R0101

Manufacturer ABB Automation Products GmbH

Product Category Control Board/CPU Module

System Compatibility ABB Advant OCS,Symphony Plus,AC 800M Controller

Processor High-performance 32-bit/64-bit RISC or x86(ABB proprietary)

Memory 256 MB RAM,512 MB Flash(firmware&logic storage)

Operating System ABB Symphony®RTOS or embedded Linux variant

Communication Interfaces 2x 10/100/1000 Mbps Ethernet(Redundant,Profinet,Modbus TCP)

Redundancy Support Yes–Hot-standby with automatic failover(HSR/PRP capable)

Real-Time Performance<10ms control cycle(typical),jitter<1ms

Diagnostics LED status indicators(RUN,ERROR,COMM),self-test on boot

Installation Method DIN-rail or chassis mount,hot-swappable

Power Supply 24VDC(supplied via backplane from PS module)

Environmental Operating Temp 0°C to+60°C

Storage Temperature-40°C to+85°C

Humidity 5%to 95%RH,non-condensing

Certifications IEC 61508 SIL 2(system-level),CE,UL,CSA,RoHS

Note:Typically used with ABB power supply(e.g.,PSM or PSH series),I/O modules(e.g.,AI,DI,AO),and communication adapters.

Technical Principles and Innovative Values

Innovation Point 1:Deterministic Real-Time Processing Architecture

The GVC750BE101 runs on a purpose-built real-time operating system(RTOS)optimized for industrial control,ensuring predictable execution of safety and process logic.This guarantees sub-10ms response times—critical for turbine control,burner management,and emergency shutdown sequences.

Innovation Point 2:Dual Ethernet with Redundancy Protocols

Equipped with dual Gigabit Ethernet ports,the GVC750BE101 supports High-availability Seamless Redundancy(HSR)and Parallel Redundancy Protocol(PRP),enabling zero-downtime network failover.This is essential for maintaining control during switch failures or cable cuts in large plants.

Innovation Point 3:Integrated Diagnostics and Self-Test

On power-up and during operation,the GVC750BE101 performs comprehensive memory,communication,and CPU health checks.Faults are logged and reported to the Symphony Plus historian,enabling predictive maintenance and reducing troubleshooting time.

Innovation Point 4:Seamless Integration with ABB Ecosystem

The GVC750BE101 is fully compatible with ABB Control Builder M(for logic programming),System 800xA(for HMI and asset management),and ABB Ability™platforms,enabling unified engineering,monitoring,and analytics across the enterprise.

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