Description

PM665 3BDS005799R1 (ABB AC800M series controller)
PM665 (Order Number: 3BDS005799R1) is a high-performance redundant CPU controller of the ABB AC800M series, designed for high-reliability control scenarios in process industries, and complies with IEC 61508 SIL3 safety certification.

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Core parameters
Brand: ABB
Model: PM665
Order Number: 3BDS005799R1
Series: AC800M (800xA DCS platform)
Processor: 32-bit RISC, with a clock frequency of 400MHz+
Memory: 128MB RAM / 256MB Flash
Communication Interfaces: Dual Ethernet ports (supporting RNRP redundancy), RS-232/485
I/O Capacity: Maximum support for 2048 I/O points
Redundancy Support: Native support for CPU hardware redundancy (hot standby switching < 100ms)
Safety Level: IEC 61508 SIL3
Power Supply: 24V DC ±20%, power consumption approximately 15W
Operating Temperature: -25℃ ~ +70℃
Size / Weight: 164×239×202mm / approximately 1.8kg

Key features
High-performance processing: Capable of strong floating-point operations, supporting complex continuous control, batch processes and advanced algorithms.
Full redundant architecture: CPU, power supply, and network all support redundancy, with no single point of failure, suitable for critical safety circuits.
Multi-protocol communication: Integrated with Ethernet (TCP/IP, Modbus TCP), PROFIBUS‑DP, OPC UA, etc., seamlessly connecting ABB drives and third-party devices.
Wide temperature industrial grade: Coated with triple protection design, resistant to vibration / electromagnetic interference, suitable for harsh field environments.
Configuration convenient: Equipped with Compact Control Builder (CCB) software, supporting IEC 61131‑3 programming language.
Typical Applications
Electricity: Thermal power / Hydropower / Nuclear power DCS, boiler / turbine control, power grid monitoring.
Oil and Chemical Industry: Refining plants, pipeline transportation, compressor control, safety instrument system (SIS).
Metallurgy: Rolling lines, blast furnaces, heating furnaces’ closed-loop control and interlock protection.
Water Treatment: Process control of sewage / water treatment plants, pump stations and valve interlocks.