GE DS200SIOBH1AAA SIOB VME Standalone Discrete I O Control Board For Mark V Speedtronic Turbine Control System
- Product Code: DS200SIOBH1AAA
- Availability: In Stock
GE DS200SIOBH1AAA SIOB VME Standalone Discrete I/O Control Board For Mark V Speedtronic Turbine Control System
Manufacturer: GE Vernova (GE Energy Legacy Mark V Turbine Control Division)
Part Number: DS200SIOBH1AAA (SIOB standalone VME digital I/O board, triple A hardware revision)
Product Type: VMEbus rack mount discrete I/O interface control board, dedicated for GE Mark V gas & steam turbine simplex control racks
Matching Platform: GE Mark V Speedtronic turbine control system, VME standard backplane rack, works with DS200 series CPU, analog and protection boards
Core Function: 16-channel isolated digital input/output signal processing; 18 configurable DIP switches (3 blocks ×6 switches) for channel mode & address setup; 20 onboard jumpers for hardware configuration; single status diagnostic LED; 40-pin external field wiring connector; VME backplane parallel data bus communication; built-in EMI surge filtering; full conformal coated PCB for power plant harsh environments; hardware isolation between VME logic side and field contact loops
1. Product Overview
DS200SIOBH1AAA (SIOB) is a classic VME standalone discrete I/O control board for GE Mark V legacy turbine control systems, widely deployed in combined-cycle and thermal power plant gas/steam turbine simplex control cabinets as the signal bridge between the main VME CPU and on-site switch contact equipment.
It integrates 16 galvanically isolated digital I/O channels to collect breaker position feedback, valve limit switches, flame detector contacts, emergency trip interlock signals, and output drive signals to auxiliary relays, alarm horns and solenoid valves. All channels feature internal noise suppression and overvoltage protection to resist industrial electromagnetic interference in high-vibration power plant control rooms.
The board carries abundant hardware configuration components: three DIP switch blocks (6 switches each, total 18 switches) to set board address, channel input/output mode and signal wetting voltage; 20 solder jumpers adjust internal circuit functional modes to match different field contact specifications without firmware modification. A single front panel LED displays overall board running status and hardware fault alarms for quick on-site troubleshooting.
A 40-pin multi-pin connector routes all 16 I/O channels to external terminal blocks for field wiring. The module communicates with the Mark V main CPU via standard VME parallel backplane bus, real-time uploading discrete state data and receiving output control commands. Full IPC-CC-830 anti-corrosion conformal coating protects the PCB from humidity, dust and corrosive flue gas. It cannot operate independently and must be inserted into a standard VME 6U backplane rack paired with Mark V CPU master boards.
This SIOB I/O board is a critical spare replacement part for legacy Mark V turbine control cabinets, widely used for unit overhaul, discrete channel wiring fault replacement and routine system maintenance.
2. Complete Technical Specifications
• Compatible Control System: GE Mark V Speedtronic VME turbine control rack, DS200 series backplane
• I/O Channel Capacity: 16 group-isolated digital discrete input/output mixed channels
• Hardware Configuration Components: 3 DIP switch blocks (18 total switches), 20 configuration jumpers
• Field Wiring Interface: 40-pin multi-pin external signal connector
• Diagnostic Indicator: Single front panel RUN/FAULT status LED
• Bus Interface: Standard VMEbus parallel backplane data communication
• Channel Electrical Rating: 5VDC logic side, 20mA per channel maximum load
• Isolation Strength: Dielectric isolation between VME logic and field contact loops
• Power Consumption: ≤5W supplied from VME backplane 5VDC rail
• Operating Temperature: -40℃ ~ +70℃ continuous ventilated cabinet operation
• Storage Temperature: -40℃ ~ +85℃; Relative Humidity: 5% ~ 95% RH non-condensing
• Overall Dimension: 262mm(L) × 188mm(H) × 21mm(D), net weight ~0.36kg
• PCB Protection: Full IPC-CC-830 anti-corrosion conformal coating industrial circuit board
• Reliability: MTBF >100,000 hours under rated operating conditions
• Certifications: CE, UL508 industrial automation safety & EMC certification
3. Core Hardware Advantages
1. Integrated 16-channel mixed discrete I/O design, single board completes all turbine safety interlock contact signal acquisition and auxiliary equipment drive output, reduces rack slot occupation and cabinet hardware quantity
2. Abundant DIP switch + jumper hardware configuration, flexible adjustment of board address, channel mode and signal parameters without modifying control program firmware, strong adaptability to different field wiring schemes
3. Full channel galvanic isolation design, completely isolates field high-voltage contact loop interference from VME low-voltage logic circuit, effectively preventing CPU board damage caused by field miswiring surge
4. Compact VME standard 6U structure, simple plug-in installation, single LED integrated fault diagnosis, maintenance staff quickly judge board running status without external test instruments
5. Full conformal coated PCB wide temperature industrial design, stable long-term operation in power plant high-dust, high-humidity and corrosive gas environments, long service life and low failure rate
4. Typical Application Scenarios
• Combined cycle power plant Mark V gas turbine simplex VME control rack safety interlock discrete signal processing SIOB board
• Thermal power plant steam turbine generator emergency trip, breaker & valve feedback contact I/O control board
• Offshore oil & gas platform heavy-duty gas turbine fire & gas detector, emergency shutdown contact acquisition module
• Chemical plant industrial compressor anti-surge protection relay, solenoid valve drive discrete output board
• Legacy Mark V turbine control cabinet upgrade overhaul, spare DS200SIOBH1AAA SIOB I/O board for discrete channel wiring fault replacement
GE Vernova © DS200SIOBH1AAA SIOB VME Standalone Discrete I/O Control Board For Mark V Speedtronic Turbine Control System