ABB DSPU131 3BSE000355R1 MA200 AT-Bus Interface Board
ABB DSPU131 3BSE000355R1 is an MA200 AT-bus interface board for ABB Advant Master DCS control system. It serves as the communication bridge between the main controller and peripheral units, realizing data interaction through AT bus protocol.

This full-length rack plug-in PCB board is equipped with standard D-Sub communication ports for stable high-speed data transmission. It is widely used for maintenance, spare replacement and system reconstruction of old Advant Master process control cabinets.


Data Parameters
1. Brand: ABB.
2. Model: DSPU131, 3BSE000355R1.
3. Product Type: MA200 AT-Bus Interface Board.
4. Application: Advant Master distributed process control system.
5. Feature: AT-bus communication, master-peripheral data exchange.
6. Characteristic: Full length board design, D-Sub interface, industrial EMC protection.
7. Communication: ABB proprietary AT bus protocol.
8. Package: Complete plug-in PCB board with rear metal bracket and connectors.
9. Mounting: Advant Master chassis rack installation.
10. Operating Temperature: 0℃ ~ +60℃.
Core Functions
1. Establish AT bus communication link between Advant Master controller and peripheral I/O units.
2. Transmit real-time process signals, setpoint commands and alarm information bidirectionally.
3. Complete bus signal shaping, error checking and transmission fault detection.
4. Support multiple peripheral devices to be connected on the same AT bus network.
5. Upload board self-test status and communication fault flags to the main control unit.
Application Scenarios
1. Power plant Advant Master DCS cabinet spare replacement and troubleshooting maintenance.
2. Pulp & paper factory old ABB Advant control system renovation project.
3. Chemical plant distributed process control bus communication spare backup.
4. Legacy Advant Master control rack communication channel expansion upgrade.
5. Metallurgy continuous production line automatic control cabinet spare inventory.
FAQ
1. Q: What is ABB DSPU131 3BSE000355R1?
A: It is MA200 AT-bus interface board dedicated for ABB Advant Master DCS system.2. Q: What communication bus does it adopt?
A: It uses ABB proprietary AT bus for Advant Master system interconnection.3. Q: Can it be hot swapped during system running?
A: Cut off rack power before replacement to avoid AT bus communication interruption.