Product Introduction
Technical Specifications
|
Manufacture |
ABB |
|
Model |
PM861AK01 |
| Part Number | 3BSE018157R1 |
|
Description |
Processor Unit |
|
Origin |
Sweden |
|
Dimension |
135*186*119mm |
|
Weight |
1.2kg |
Product Details
Product Name: ABB PM861AK01 3BSE018157R1 Processor Unit
The "brain" of the ABB 800xA system, featuring millisecond-level redundancy switching and a 12-year record of zero malfunctions in nuclear power plants, safeguards critical processes.
Core Parameters
Model: PM861AK01 (Order No. 3BSE018157R1)
Processor: PowerPC 604e 400 MHz / ARM Cortex-A9 optional
Memory: 256 MB RAM + 1 GB Flash
Real-time Performance: Task cycle ≤ 1 ms, minimum 50 μs
Redundancy: Dual-machine hot standby, switchover < 200 ms
Interfaces: Dual Gigabit Ethernet + RS485, supports Modbus TCP, PROFIBUS, OPC UA
Power Supply: 24 VDC ±20%, dual-channel redundant power supply
Environment: -40 ~ +70 ℃ operation, IP20, CE/UL/SIL 2 certified
Dimensions: 119 × 135 × 189 mm, net weight approx. 1.35 kg
Product Highlights
Hard real-time core, meeting the millisecond-level control requirements of power and petrochemical industries
1:1/N:1 redundancy architecture, switchover < 200 ms, production line uninterrupted operation
Reinforced shielding, 60 Soft error rate <10⁻⁹/hour under high temperature and radiation conditions (°C), meeting SIL 3/nuclear safety level requirements.
Supports ABB Control Builder M, programming in five IEC 61131-3 languages, simplifying maintenance.
Expandable with S800 I/O and SM812 high-integrity modules, easily upgrading to SIL 3 safety systems.
