ALSTOM I/OBUS2 12004-103-01 I/O Bus Master Interface Board in stock

ALSTOM I/OBUS2 12004-103-01 is the master I/O bus interface board matched with I/OBE2 module for ALSTOM safety control system. It serves as the core communication master card to realize high-speed data interaction between main controller and I/OBE2 extension units on the proprietary backplane bus.

This board adopts safety-oriented circuit design and differential bus transmission technology, supporting dual redundant safety control architecture. It is commonly used together with I/OBE2 12004-104-00 in turbine control and railway interlock systems, widely supplied as spare parts for cabinet maintenance and system renovation projects.

Data Parameters

• 1. Brand: ALSTOM.

• 2. Model: I/OBUS2, Part No:12004-103-01.

• 3. Product Type: I/O Bus Master Interface Board.

• 4. Matched Module: I/OBE2 bus extension module.

• 5. Applicable System: ALSTOM Contronic / iLock safety control platform.

• 6. Bus Type: ALSTOM proprietary differential I/OBUS2 backplane bus.

• 7. Logic Power: 24V DC.

• 8. Mounting: Rack plug-in installation.

• 9. Operating Temperature: -10℃ ~ +60℃.

• 10. EMC Performance: Built-in galvanic isolation for strong anti-interference.

Core Functions

• 1. Act as bus master to initiate and manage data communication with multiple I/OBE2 slave extension boards.

• 2. Transmit control commands from main CPU and upload field I/O status signals through backplane bus.

• 3. Continuous bus signal diagnosis and fault detection to ensure fail-safe operation of safety control system.

• 4. Realize data buffering and signal timing control to guarantee deterministic bus cycle time.

• 5. Support hot swap and online fault alarm for convenient rack maintenance and spare replacement.

Application Scenarios

• 1. Power plant steam turbine control and protection cabinet bus communication spare replacement.

• 2. ALSTOM iLock railway signal interlock system main rack interface board retrofit.

• 3. Heavy industry high-reliability safety interlock control system bus master unit.

• 4. Oil & gas pipeline safety shutdown control cabinet with strict EMC requirements.

• 5. Legacy ALSTOM Contronic DCS system spare parts inventory and maintenance project.

FAQ

• 1. Q: What is ALSTOM I/OBUS2 12004-103-01?
      A: It is the I/O bus master interface board of ALSTOM safety system, used to communicate with I/OBE2 extension modules and realize main controller I/O signal transmission.

• 2. Q: What module works with I/OBUS2?
      A: It is used together with I/OBE2 12004-104-00, I/OBUS2 serves as master board and I/OBE2 is the slave extension unit.

• 3. Q: What is the core feature of this board?
      A: It adopts proprietary differential bus and galvanic isolation design, which can maintain stable communication under strong electromagnetic interference environment.