Overview
Configured for control execution and data communication in the ABB System 800xA platform, the ABB PM867 3BSE076356R1 (PM867 Processor Unit) provides direct processing and network interface functions for AC 800M controller systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM867 3BSE076356R1 |
| Brand | ABB |
| Product Type | Processor Unit / CPU Module |
| Controller Family | AC 800M |
| System Platform | ABB System 800xA |
| Origin | Sweden |
| Memory | 18 MB |
| Operating Temp | 0 to +55 deg C |
| Power Consumption | 5.1 W typical / 8.6 W maximum |
| Power Supply | 24 VDC, 19.2 to 30 VDC range |
| Power Current | 210 mA typical / 360 mA maximum at +24 V |
| Communication Interfaces | Ethernet IEEE 802.3, 10 Mbit/s; RS-232C COM4 serial interface |
| Network Protocols | MMS, IAC |
| Isolation Voltage | 500 VAC |
| Redundancy Support | Redundant configuration with power supply status inputs |
| Mounting Method | DIN-rail installation with TP830 baseplate |
PLC Backplane Communication and Network Integration
The ABB PM867 3BSE076356R1 processor unit uses the AC 800M controller architecture for deterministic control execution and system communication. Moreover, the module supports Ethernet-based data exchange through IEEE 802.3 communication interfaces and provides serial communication through an opto-isolated RS-232C port.
The processor design supports backplane bus communication velocity management within the ABB AC 800M hardware structure. In addition, the module allows I/O density scaling by coordinating distributed I/O resources through the System 800xA control network. Firmware flash compatibility depends on the installed AC 800M controller configuration and supported system software version.
Frequently Asked Questions
Q: Does the PM867 3BSE076356R1 support redundant controller configurations?
A: Yes. The processor unit supports redundant system configurations and includes redundant power supply status monitoring inputs.
Q: What communication interfaces are available on the PM867 processor unit?
A: The module provides an Ethernet interface based on IEEE 802.3 specifications and an opto-isolated RS-232C serial interface for external communication.
Q: Can the PM867 be installed directly on a DIN rail?
A: The PM867 requires installation through the compatible AC 800M baseplate assembly, such as the TP830, for DIN-rail mounting.
Field Installation Guidelines
Install the PM867 processor unit on the specified AC 800M baseplate and verify correct mechanical locking before applying power. Maintain proper separation between communication cables and high-voltage power wiring to reduce electromagnetic interference.
Connect protective grounding according to the controller cabinet design requirements. Use shielded communication cables where required and terminate cable shields according to the site grounding practice. Before commissioning, verify the 24 VDC supply polarity, voltage range, and communication link status.
Avoid removing or inserting the module under powered conditions unless the installed AC 800M configuration explicitly supports hot-swap operation. Confirm firmware compatibility between the processor unit and the System 800xA controller environment before software deployment.
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