ALSTOM VOOB8-B 12004-106-04 Digital Output Module in stock

ALSTOM VOOB8-B 12004-106-04 is an 8-channel digital output module designed for Alstom SBS turbine control system. It receives control commands from the main turbine controller and outputs discrete on-off signals to drive field relays, solenoid valves and trip equipment.

This module adopts opto-isolation design for each channel to resist strong electromagnetic interference in power plant environments. It has individual LED status indicators and supports installation on SBS serial bus baseplate, widely used as spare replacement for turbine control cabinet maintenance and retrofit projects.

Data Parameters

• 1. Brand: ALSTOM.

• 2. Model: VOOB8-B, Part No:12004-106-04.

• 3. Product Type: 8-Channel Digital Output Module.

• 4. Power Supply: Powered by SBS backplane, typical power consumption ≤5W.

• 5. Number of Output Channels: 8 opto-isolated digital output points.

• 6. Field Interface: 24V DC signal output for field devices.

• 7. Operating Temperature: -25℃ ~ +70℃.

• 8. Bus Interface: ALSTOM proprietary SBS serial backplane bus.

• 9. Indicator: Separate LED status lights for each channel and power supply.

• 10. Compatible System: ALSTOM steam / gas turbine SBS I/O control system.

Core Functions

• 1. Receive safety control and trip commands transmitted from Alstom turbine main controller.

• 2. Convert internal bus commands into 8 channels of isolated switch output signals to field actuators.

• 3. Optical isolation for each channel to protect control circuit against field interference and surge voltage.

• 4. Channel status LED indicators for quick visual inspection of output working state on site.

• 5. Plug-in module design for easy mounting and replacement on SBS serial bus baseplate.

Application Scenarios

• 1. Thermal power plant Alstom turbine safety trip and protection control cabinet maintenance.

• 2. Gas turbine control system SBS I/O rack digital output card replacement and upgrade.

• 3. Petrochemical plant steam turbine auxiliary actuator control signal output system retrofit.

• 4. Power generation industry legacy turbine control spare parts inventory backup.

• 5. Industrial turbine automation control cabinet overhaul and old I/O module renewal project.

FAQ

• 1. Q: What is ALSTOM VOOB8-B 12004-106-04?
      A: It is ALSTOM 8-channel opto-isolated digital output module for SBS series turbine control I/O system.

• 2. Q: What field devices can VOOB8-B drive?
      A: It can control 24V DC safety relays, solenoid valves, trip coils and local status indicators.

• 3. Q: Which baseplate is this module compatible with?
      A: It is designed to be plugged into ALSTOM SBS serial bus baseplate such as model 12004-101-01.