This power supply module provides regulated DC power for GE Mark VIe turbine control systems. It converts 120 or 240 VAC input into stable 5 and 24 VDC outputs. Therefore, it supplies all connected I/O modules and the CPU with clean operating voltage.
Physical and Input Specifications
The GE IS200EPSMG1A IS200EPSMG1AED measures 26.0 cm in length and 18.5 cm in width. Moreover, its module weight equals approximately 1.10 kg for rack mounting. A single 4-pin terminal block accepts AC input from an external source. Additionally, this module delivers power through the VME backplane to all slots.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200EPSMG1A IS200EPSMG1AED |
| Category | Power Supply Module |
| Dimensions (L x W x H) | 26.0 cm x 18.5 cm x 5.5 cm (10.24″ x 7.28″ x 2.17″) |
| Module Weight | 1.10 kg (2.43 lbs) |
| Input Voltage Range (AC) | 85 to 264 VAC (Universal) |
| Input Frequency | 47 to 63 Hz |
| Input Current (120 VAC) | 2.0 A (Maximum) |
| Input Current (240 VAC) | 1.0 A (Maximum) |
| Inrush Current | 25 A Peak (Cold Start at 120 VAC) |
| 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 Ripple (5 VDC) | < 50 mV Peak-to-Peak |
| Output Ripple (24 VDC) | < 100 mV Peak-to-Peak |
| Output Accuracy (5 VDC) | ±2% (No Load to Full Load) |
| Output Accuracy (24 VDC) | ±3% (No Load to Full Load) |
| Hold-Up Time | 20 ms at Full Load (120 VAC Input) |
| Efficiency | > 85% (Typical at 120 VAC) |
| Overvoltage Protection | Yes (5 VDC: 5.8 V, 24 VDC: 28 V) |
| Overcurrent Protection | Yes (Automatic Foldback + Hiccup Mode) |
| Short Circuit Protection | Yes (Continuous Recovery) |
| Overtemperature Protection | Yes (Shutdown at 95°C Internal) |
| On-Board Components | 1 Switching Transformer + 1 Bridge Rectifier + 6 Filter Capacitors + 1 PWM Controller IC + 2 Optocouplers + 6 Protection Diodes + 1 Internal Fuse + 2 Voltage Regulators + 1 EMI Filter |
| Energy Storage | 2 x 820 µF Electrolytic Capacitors (450V, Input) + 2 x 2200 µF (10V, 5V Output) + 1 x 1000 µF (35V, 24V Output) + 1 x 10 µF Tantalum (25V) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) |
| Cooling | Passive (Natural Convection) |
| Mounting Type | Mark VIe Rack (Leftmost Slot) |
| Status Indicators | 1 Green LED (5 VDC OK) + 1 Green LED (24 VDC OK) + 1 Red LED (Fault) |
Energy Storage and Hold-Up Performance
The GE IS200EPSMG1A IS200EPSMG1AED stores significant energy using six large electrolytic capacitors. Specifically, two input capacitors store energy from the AC line for 20 ms hold-up time. In addition, two output capacitors filter the 5 VDC supply for stable backplane power. Furthermore, one capacitor filters the 24 VDC output for I/O modules. Moreover, one tantalum capacitor provides high-frequency noise suppression. Consequently, the system continues running through brief AC power interruptions reliably.
AC Input and Protection Features
This power supply accepts universal AC input from 85 to 264 VAC without jumpers. For instance, it operates on 120 VAC or 240 VAC systems automatically. In addition, overvoltage protection shuts down the supply if voltages exceed safe limits. Moreover, overcurrent protection reduces output current automatically during overload conditions. Furthermore, short circuit protection allows continuous recovery without permanent damage. Finally, overtemperature protection prevents internal component failure during excessive heat. Thus, the GE IS200EPSMG1A IS200EPSMG1AED safeguards your entire Mark VIe system effectively.
Passive Cooling and Thermal Management
This power supply uses passive convection cooling without any fans. Specifically, the aluminum heat sink dissipates heat from switching transistors and diodes. In addition, the module operates reliably in dusty environments where fans would fail. Moreover, derating curves allow full output current up to 55°C ambient temperature. Thus, this power supply provides maintenance-free operation for turbine control cabinets.
Installation and Status Indication
Three LED indicators on the front panel provide operational status at a glance. 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 red Fault LED illuminates during overcurrent or overtemperature events. Additionally, this module occupies the leftmost slot of the Mark VIe rack. Therefore, it powers all CPU and I/O modules through the backplane efficiently.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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