Product Overview
The ABB PM857K02 (3BSE088386R1) is a high‑integrity, rail‑mounted CPU module in the AC 800M control system family. Featuring a 96 MHz processor and 32 MB total memory, it supports up to 128 I/O signals and includes modular redundancy, making it ideal for safety‑critical industrial environments
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル / 品番. | PM857K02 / 3BSE088386R1 |
| Processor | MPC866, 96 MHz |
| Memory | 32 MB total, ~22.2 MB RAM for applications |
| Max I/O Signals | 128 signals |
| Redundancy | Yes – CPU, CEX‑Bus, communications, S800 I/O |
| Safety Certification | SIL‑3 capable with SM812/TÜV/IEC 61508 |
| Ethernet Ports | 2 × RJ‑45 (CN1/2), 10 Mbit/s |
| Serial Ports | COM3 (RS‑232C with modem), COM4 (isolated) |
| Power Supply | 24 V DC (19.2–30 V), typical 210 mA, max 360 mA |
| Power Dissipation | Typical 5.1 W, max 8.6 W |
| Backup Battery | Lithium 3.6 V real‑time clock |
| Dimensions | 135 × 186 × 119 mm |
| 重量 | 2.7 kg |
| Operating Temp. | +5 °C to +55 °C |
| Certifications | EMC, CE, TÜV SIL‑2/3, ISA G3 corrosion |
Applications
The PM857K02 serves as a central processing 台 in ABB System 800xA and AC 800M architectures. It is used for:
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Critical industrial process control in oil & gas, power, chemical and refining
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Integrated safety and process automation with SIL‑3 support
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Systems requiring high availability via redundancy
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Complex automation requiring up to 128 I/O points
It integrates seamlessly with S800 I/O, communication modules, and full 800xA Control Builder s/tware.
Advantages
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High Integrity & Safety: Achieves SIL‑3 certification with safety module support
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Redundant Architecture: Multiple communication and CPU redundancy ensure minimal downtime
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Flexible Connectivity: Ethernet + RS‑232 ensures legacy and modern system interfacing
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Compact, Rugged Design: DIN‑rail mounting with compact footprint withstands industrial environments
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Seamless Integration: Fully compatible with 800xA environment and Control Builder tool
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Reliable Timekeeping: Built-in lithium RTC with battery backup ensures accurate timestamping
10 よくある質問 (FAQ)
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Is it compatible with older PM857K01?
Yes—designed as a direct upgrade with similar form factor. -
What is included in the package?
Generally shipped with 2 × PM857K01 safety modules, CEX-bus and RCU cables -
Can it run stand-alone without redundant CPU?
Yes—but redundancy must be disabled and configured in s/tware. -
Does it include a Control Builder license?
No; programming tool license is purchased separately. -
How long is the warranty period?
We provide one year warranty -
What’s the power draw?
Approx. 210 mA typical; 360 mA max at 24 V DC -
Can I hot-swap it?
サポートs hot-swap for communication and I/O modules; CPU swap requires controlled procedure. -
RTC lifetime?
Lithium battery typically lasts 5–7 years, field‑replaceable. -
What certifications does it hold?
SIL‑2/3, EMC, CE, TÜV, ISA G3 corrosion . -
Which s/tware versions support it?
Compatible with System 800xA and AC 800M Control Builder spanning versions 5.x to current.
Related モデルs – Same Series
| モデル | 品番. | Notes |
|---|---|---|
| PM857K01 | 3BSE088385R1 | Non‑redundant version / PM857 CPU |
| PM863K01 | 3BSE088381R1 | CPU with similar performance, single configuration |
| PM865K01 | 3BSE088382R1 | Enhanced CPU with additional I/O capacity |
| PM866K02 | 3BSE081637R1 | Redundant version in PM86x series |
| PM861AK02 | 3BSE018160R1 | PM86x series CPU with integration upgrades |
| PM891K02 | 3BSE053242R1 | High‑performance CPU with extra Ethernet redundancy |
その他 Popular ABB Controller モデルs
| モデル | 品番. | Notes |
|---|---|---|
| PM590-ETH | 3BSE011183R1 | Compact AC500 processor with Ethernet interface |
| PM592-ETH | 3BSE011185R1 | AC500 CPU with additional ports |
| PM595-4ETH-F | 3BSE011187R1 | Four Ethernet channels for large distributed systems |
| PM511V16 | 3BSE011181R1 | Versatile modular controller |
| PM863K01 | 3BSE088381R1 | High‑availability CPU in PM86x family |
| PM865K01 | 3BSE088382R1 | Enhanced I/O and processing capabilities |
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