About T880 Compressor Control System
HollySys T880 system is a turbine compressor integrated control system CCS (Compressor Control System) developed on HOLLiAS HiaGuard safety instrument system platform. The system has passed the TÜV (Rheinland Industrie Service GmbH) certifi cation and meets the SC3 system capability level and SIL3 safety integrity level defi ned in IEC 61508/IEC 61511. The system is fully integrated with the design concept of triplex, meet the requirements of real-time, high reliability and stability of critical fi eld equipment, and integrating a dedicated compressor control software package, including anti-surge control, performance control, speed control, etc.

Product Features
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High Safety
Adopting 2oo3D architecture to guarantee system safety
Adopting multiple voting in data flow
Triple redundant design to ensure physical independence and avoid common cause failure
High coverage of self-diagnosis
Communication modules with build-in firewall for cyber security
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High Coverage Diagnosis
Channel level fault diagnosis
AI channel supports diagnosis for over range, open circuit, short circuit, ect.
AO channel supports diagnosis for open circuit, read-back and others.
DI channel supports diagnosis for grounding, disconnection, short circuit and others.
DO channel supports diagnosis for no-load, overload, read-back, short circuit and others.
PI channel supports diagnosis for disconnection, out of lower limit, etc.
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Seamless System Integration
Supporting seamless integration with HOLLiAS-MACS System
Supporting integration with 3rd DCS via Modbus interface
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Powerful SOE Function
DI module with build-in SOE function
DI module supports cache for up to 1,000 SOE records.
FCS supports to store up to 10000 SOE records.
SOE accuracy up to 1 ms
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High Availability
3-2-0 degradation
Independent power supply for system power and fi eld power
1+1 redundant power supply
Communication module and IO modules support redundant configuration and bumpless switching.
System availability up to 99.999%
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Scalable System Scale
Single station contains 1 main rack + 6 extension racks, up to 1,856 IOs.
Max 15 domains in a system and single domain supports max 64 stations.
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