Digital guide
You are here:
GE DS3800HPBC1A1B
Product Name: GE Speedtronic Mark IV/V HPBC Series Discrete (Digital) I/O Module
Introduction: The DS3800HPBC1A1B is a high-density discrete I/O module designed for GE Mark IV and Mark V Speedtronic turbine control systems. It is optimized for high-reliability binary signal processing in turbine start/stop sequencing, valve control, and alarm monitoring.
Detailed content
Technical Specifications & Performance Parameters:
- Digital Inputs: 16 channels, optically isolated
- Input Voltage: 24 VDC / 125 VDC (selectable)
- Input Current: 5 mA typical per channel
- Digital Outputs: 8 channels, solid-state (MOSFET)
- Output Voltage: 24 VDC / 125 VDC (selectable)
- Output Current: 0.5 A per channel (continuous)
- Response Time: < 2 ms input scan time
- Isolation: 1500 V optical isolation
- Hot-Swap: Capable, IEEE 1101.11 compliant
Functional Features: Dual voltage support (24 V or 125 V DC field power), open/short detection, overcurrent protection, and per-channel diagnostics.
Structural Characteristics: Occupies a single slot in the Mark IV/V VME-style rack. Factory-configured with specific firmware profile and calibration set.
Application Scenarios: Gas turbine start/stop sequencing and valve control; steam turbine emergency trip signals and solenoid control; compressor anti-surge status and shutdown logic in oil & gas applications.
Installation & Usage Notes: Verify field voltage (24 V or 125 V) matches module configuration before insertion. Ensure backplane supplies +5 V, +15 V, and -15 V. Use shielded cable and maintain separation from AC power. Do not exceed 0.5 A continuous on outputs. Keep rack temperature below 70 °C. Observe ESD precautions during handling. Firmware is factory-programmed and cannot be field-updated.
