1. Product Overview

2. Main Technical Parameters

Memory

• EPROM: 1 MByte (for storing system programs)
• RAM: 1 MByte (for running user logic)

Redundant Backup

Power Consumption

Physical Dimensions

Communication Interfaces

• Built-in high-speed serial communication bus (Processor-to-Processor Bus) for data synchronization between modules.
• Provides a 9-pin D-sub diagnostic port for factory testing and on-site maintenance.
• Supports dual DIN41612 connectors (J1, J2) for connection to the backplane bus system.

Operating Modes

Environmental Requirements

3. Product Features

• High Safety and Redundancy: Supports TMR (Triple Modular Redundancy) architecture, which can tolerate single-point faults and even double-point faults (depending on configuration), and automatically performs inter-module comparison and error correction.
• Online Maintenance and Hot Swapping: Supports replacement of faulty modules while the system is running. After the module is inserted, it automatically performs a self-test without stopping and restarting the system (Warm Start).
• Clear Status Indication: The front panel is equipped with multiple groups of LED indicators, which real-time display system status such as RUN, ON LINE, PROGRAM, TEST, HEALTH, I/O SCAN, BATTERY, and SI/O COMMS, facilitating quick diagnosis.
• User-Friendly: Equipped with a physical key switch to prevent misoperation, and an integrated diagnostic port for connection to a PC or maintenance workstation (such as TriBuild software).
• Long-Life Design: Key components adopt industrial-grade standards, with a long design life and support for full lifecycle management.

4. Structure and Composition

Mechanical Structure

Connectors

• J1 Connector: Connected to the I/O module through the backplane expansion area ‘d’.
• J2 Connector: Includes three functional areas:

  Rear Connector ‘e’: Used for accessing the expansion backplane (such as MBB bus expander).

  • Area ‘b’: Connected to other MPP modules to form the inter-processor communication bus.
  • Areas ‘a’ and ‘c’: Connected to the backplane expansion bus for connecting other expansion modules.

Front Panel

Battery

5. Application Fields

• Power Industry: Boiler protection and steam turbine control in power plants (thermal power, hydropower, nuclear power).
• Petrochemical Industry: Emergency Shutdown System (ESD) and Safety Instrumented System (SIS) in refineries and chemical plants.
• Public Utilities: Automatic safety control of water treatment and gas transmission.
• Rail Transit: Signal control and safety interlocking systems.
• Other Fields with High Reliability Requirements: All critical industrial control systems that require continuous operation, high safety, and support online maintenance.

6. Installation Guide

• Environment Preparation: Ensure the installation cabinet meets the environmental requirements of ABB Triguard SC300E (temperature, humidity, dustproof, antimagnetic).
• Power-Off Operation: Before inserting or pulling out the module, ensure the system power is turned off (unless performing hot swapping, which must strictly follow the procedures).
• Installation Position: Slide the MPP module vertically into the corresponding slot of the 9U standard rack, ensuring that the J1 and J2 connectors are fully engaged with the backplane.
• Fixing: Use panel screws to fix the module on the rack.
• Wiring Check: Check the backplane bus connection to ensure there is no short circuit or poor contact.
• Initialization: After power-on, turn the front panel key switch to the RUN position, observe the status of the LED indicators, and confirm that the RUN and ON LINE lights are on; the HEALTH light on indicates the system is normal.