PM866AK01 3BSE076939R1 ABB AC 800M CPU Controllers 133 MHz 64 MB Dual RJ45

Key Performance Specifications

- **Processor**: MPC866, 133 MHz, 1000 Boolean operations in just 0.09 ms

- **Memory**: 64 MB RAM (51.4 MB available for applications), 4 MB Flash firmware storage, supports CompactFlash expansion

- **Network**: Dual RJ45 Ethernet (CN1/CN2, 10 Mbit/s IEEE 802.3), natively supports MMS/IAC control protocols; serial ports COM3 (RS-232C) + COM4 (isolated) for programming or third-party devices

- **Redundancy**: Supports full-link hot standby for CPU, CEX-Bus, communication, and S800 I/O, with a switchover time ≤10 ms, ensuring continuous operation of critical devices

- **I/O Capacity**: Modulebus supports up to 1×electrical + 7×fiber trunking; a single CPU can support 96 I/O modules; redundancy mode can also support 84 modules

- **Programming:** Compliant with IEC 61131-3, using ABB Control Builder M, supporting five languages: FBD, LD, ST, SFC, and IL.

**Environment:** Operating temperature -25 °C ~ +60 °C, IP20 protection, vibration resistant and EMC certified, direct DIN rail mounting, no additional cabinet required.

**Power Supply:** 24 V DC (19.2-30 V) input, typical power consumption 210 mA / 5.1 W, built-in 3.6 V lithium battery maintains real-time clock and data.

Typical Applications:

- Power plant DCS & electrical automation

- Oil and gas field, refining, and chemical process control

- Metallurgical heating furnace and rolling mill speed synchronization

- Water plant/sewage treatment SCADA and pump station energy saving

- Pharmaceutical formulation and cleanroom environment monitoring

- High-speed discrete production lines in automotive, food packaging, etc.

Why Choose PM866AK01?

1. **Millisecond-level scan**—0.09 ms 1. **Boolean operation speed, meeting high-speed closed-loop control requirements**

2. **Redundancy-ready**—One bus can expand CPU, communication, and I/O for dual-machine hot standby, eliminating the need for complex external circuitry.

3. **One-stop communication**—Dual Ethernet + multiple fieldbuses (expandable to Profibus DP, DeviceNet, FF, etc. via CEX modules)

4. **Wide-temperature durability**—Industrial-grade operation from −25 °C to +60 °C, direct DIN rail mounting, saving rack costs.

5. **Global supply chain**—ABB official channels and service centers worldwide provide a 10+ year spare parts commitment, reducing lifecycle costs.

Ordering Information

- Model: PM866AK01

- Order Number: 3BSE076939R1

- Kit includes: PM866A CPU, TP830 board, TB850/TB807/TB852 terminals, battery, and DIN rail locks.

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