Product 説明
The ABB PM856 (3BSE018128R1) is a powerful processor module within the AC 800M family / controllers, designed for high-performance industrial control applications. It supports modular expansion, integrated communication, and redundant operation. The PM856 is suitable for both standalone and distributed systems across various industries such as power, oil & gas, and manufacturing.
Technical Specifications
| Parameter | Details |
|---|---|
| Product モデル | PM856 |
| Product Code | 3BSE018128R1 |
| Processor Type | MPC860 (48–133 MHz) |
| Memory | RAM with battery-backed real-time clock |
| Communication Ports | 2 x Ethernet RJ45, 2 x RS-232C |
| Network Ports | CN1, CN2 (Ethernet) |
| Serial Ports | COM3 (RS-232C), COM4 (Isolated RS-232C) |
| ModuleBus サポート | Electrical and Optical |
| CEX-Bus サポート | Yes, for communication extension |
| Redundancy | サポートed (CPU, Communication, I/O) |
| Storage Expansion | CompactFlash card slot |
| Power Supply | 24 V DC |
| Mounting | DIN rail |
| Protection Rating | IP20 |
| Dimensions (W x H x D) | 119 x 186 x 135 mm |
| 重量 | 1.1 kg |
Applications
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Distributed control systems in process industries
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Batch control for chemical and pharmaceutical plants
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Safety-integrated automation for power and energy systems
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Integrated control in pulp and paper manufacturing
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High-reliability control in oil & gas operations
Product Advantages
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Scalable and modular architecture for flexible system design
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Built-in support for CPU and communication redundancy
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Integrated Ethernet and RS-232 communication interfaces
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Reliable memory retention with optional external battery backup
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Simple DIN rail mounting and compact design
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Low power consumption, no active cooling required
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Full support for ABB’s S800 I/O system
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Broad protocol support via CEX-Bus (PROFIBUS, Modbus TCP, FF, etc.)
よくある質問 (FAQ)
Q1: Does PM856 support redundant CPU configuration?
A1: Yes, it supports hot-standby redundancy using RCU Link cable (TK851).
Q2: What I/O modules are compatible with PM856?
A2: It supports S800 I/O (electrical and optical), as well as extensions via CEX-Bus to other I/O interfaces.
Q3: Is the internal battery replaceable?
A3: No, but you can use the SB821 external battery for extended backup time.
Q4: Does PM856 require active cooling?
A4: No fan is needed; its design ensures passive cooling under normal conditions.
Q5: Which s/tware tool is used for configuration?
A5: ABB Control Builder, part / the 800xA system, is used for configuration and programming.
Q6: How is firmware updated?
A6: Firmware is loaded through COM4 (serial) or CN1/CN2 (Ethernet) using Control Builder.
Q7: What is the maximum number / I/O clusters supported?
A7: One electrical cluster and up to seven optical clusters (12 modules each).
Q8: Can PM856 connect to IEC 61850 networks?
A8: Yes, with the CI868 communication interface module via CEX-Bus.
Q9: Is it certified for hazardous locations?
A9: Yes, PM856 complies with UL60079-15 for Class I, Zone 2 environments.
Q10: What type / memory card does PM856 use?
A10: It uses a CompactFlash card for backup and firmware storage.
Related or Same-Series モデルs
| モデル | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|
| PM851K01 | Entry-level processor | 119 x 186 x 135 | 1.1 kg |
| PM856K01 | Enhanced PM856 package | 119 x 186 x 135 | 1.1 kg |
| PM860K01 | Performance model with higher capacity | 119 x 186 x 135 | 1.1 kg |
| PM861K01 | Redundancy-ready controller | 119 x 186 x 135 | 1.1 kg |
| PM866K01 | High-end model with advanced features | 119 x 186 x 135 | 1.1 kg |
| PM891K01 | Monolithic high-performance processor | 162 x 186 x 135 | 1.5 kg |
Popular ABB モデルs
| モデル | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|
| CI854A | PROFIBUS DP communication interface | 45 x 186 x 110 | 0.35 kg |
| CI860 | FOUNDATION Fieldbus HSE interface | 45 x 186 x 110 | 0.35 kg |
| CI867 | Modbus TCP/IP communication module | 45 x 186 x 110 | 0.35 kg |
| CI868 | IEC 61850 protocol interface | 45 x 186 x 110 | 0.35 kg |
| BC810 | CEX-Bus interconnection 台 | 45 x 186 x 110 | 0.40 kg |
| TB840 | S800 I/O communication redundancy module | 45 x 186 x 110 | 0.35 kg |
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