This printed circuit board provides power supply and distribution for GE Mark VIe turbine systems. It converts 125 VDC input into regulated 5 VDC and 24 VDC outputs. Therefore, it supplies clean operating voltage to all connected I/O modules and processors.
Physical and Power Specifications
The GE IS200DSPXH1D IS200DSPXH1DBC measures 26.0 cm in length and 18.5 cm in width. Moreover, its board weight equals approximately 0.95 kg for rack mounting. A single 64-pin male connector links this board to the VME backplane. Additionally, the board includes built-in filtering and protection circuits.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200DSPXH1D IS200DSPXH1DBC |
| Category | Printed Circuit Board (Power Supply) |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.95 kg (2.09 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Input Voltage Range (DC) | 88 to 300 VDC (Nominal 125/250 VDC) |
| Input Current (125 VDC) | 1.2 A (Maximum) |
| Inrush Current | 8 A Peak (Cold Start at 125 VDC) |
| Output Voltage 1 | +5 VDC (Regulated) |
| Output Current 1 | 10.0 A (Continuous) |
| Output Voltage 2 | +24 VDC (Regulated) |
| Output Current 2 | 3.0 A (Continuous) |
| Output Voltage 3 | +15 VDC (Regulated) |
| Output Current 3 | 1.5 A (Continuous) |
| Output Voltage 4 | -15 VDC (Regulated) |
| Output Current 4 | 1.0 A (Continuous) |
| Output Ripple (5 VDC) | < 50 mV Peak-to-Peak |
| Output Ripple (24 VDC) | < 100 mV Peak-to-Peak |
| Output Ripple (±15 VDC) | < 75 mV Peak-to-Peak |
| Hold-Up Time | 20 ms at Full Load (125 VDC Input) |
| Efficiency | > 82% (Typical) |
| Overvoltage Protection | Yes (5V: 5.8V, 24V: 28V, ±15V: ±17V) |
| Overcurrent Protection | Yes (Automatic Foldback) |
| Short Circuit Protection | Yes (Continuous Recovery) |
| Overtemperature Protection | Yes (Shutdown at 95°C Internal) |
| On-Board Components | 1 DC-DC Converter + 6 Filter Capacitors + 2 PWM Controller ICs + 2 Optocouplers + 8 Protection Diodes + 1 Internal Fuse + 3 Voltage Regulators + 1 EMI Filter + 1 Temperature Sensor |
| Energy Storage | 2 x 1000 µF Electrolytic Capacitors (400V, Input) + 2 x 2200 µF (10V, 5V Output) + 1 x 680 µF (35V, 24V Output) + 1 x 470 µF (25V, +15V) + 1 x 470 µF (25V, -15V) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Status Indicators | 1 Green LED (5V OK) + 1 Green LED (24V OK) + 1 Green LED (±15V OK) + 1 Red LED (Fault) |
Power Supply and Output Features
The GE IS200DSPXH1D IS200DSPXH1DBC generates four regulated output voltages. Specifically, the 5 VDC output powers digital logic circuits and microprocessors. In addition, the 24 VDC output supplies field I/O modules and relay coils. Moreover, the ±15 VDC outputs power analog input and output circuits. Furthermore, overvoltage protection shuts down any output exceeding safe limits. Thus, this board safeguards your entire Mark VIe system effectively.
Energy Storage and Hold-Up Performance
This printed circuit board stores significant energy using seven large electrolytic capacitors. Specifically, two input capacitors store energy from the DC line for 20 ms hold-up time. In addition, two output capacitors filter the 5 VDC supply for stable backplane power. Moreover, one capacitor filters the 24 VDC output for I/O modules. Furthermore, two capacitors filter the ±15 VDC supplies for analog circuits. Consequently, the system continues running through brief DC power interruptions reliably.
Protection Features and Thermal Management
This power supply board includes comprehensive protection for all output circuits. For instance, overvoltage protection shuts down the supply if voltages exceed safe limits. In addition, overcurrent protection reduces output current automatically during overload conditions. Moreover, short circuit protection allows continuous recovery without permanent damage. Furthermore, overtemperature protection prevents internal component failure during excessive heat. Finally, a temperature sensor monitors board ambient for derating purposes. Thus, the GE IS200DSPXH1D IS200DSPXH1DBC provides reliable power for Mark VIe systems.
Installation and Status Indication
Four LED indicators provide operational status at a glance on this board. First, a green 5V OK LED lights when the 5 VDC output is within specification. Second, a green 24V OK LED indicates proper 24 VDC output voltage. Third, a green ±15V OK LED shows both analog supplies are present. Finally, a red Fault LED illuminates during overcurrent, overtemperature, or input undervoltage events. Additionally, the board features six mounting holes for secure rack attachment. Thus, you can diagnose power supply status instantly without external test equipment.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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