This printed circuit board provides junction power distribution for GE Mark VIe turbine systems. It routes DC power from the main supply to multiple I/O modules and processors. Therefore, it ensures clean power delivery across all system components.
Physical and Power Distribution Specifications
The GE IS200JPDHG1A IS200JPDHG1AAA measures 26.0 cm in length and 18.5 cm in width. Moreover, its board weight equals approximately 0.52 kg for rack mounting. A single 64-pin male connector links this board to the VME backplane. Additionally, the board distributes power through twelve independent output channels.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200JPDHG1A IS200JPDHG1AAA |
| Category | Printed Circuit Board (Power Distribution) |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.52 kg (1.15 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Input Power Connections | 2 Terminal Blocks (+5V, +24V, Common) |
| Output Channels | 12 Independent Outputs (Fused) |
| Output Voltage 1 | +5 VDC (Pass-Through) |
| Output Current 1 per Channel | 2.0 A Maximum |
| Output Voltage 2 | +24 VDC (Pass-Through) |
| Output Current 2 per Channel | 1.0 A Maximum |
| Total Output Current (5V) | 12.0 A (All Channels Combined) |
| Total Output Current (24V) | 6.0 A (All Channels Combined) |
| Fuse Type per Channel | PTC Resettable (0.5A to 2.0A Range) |
| Fault Indication | LED per Channel (Fuse Blown) |
| Reverse Polarity Protection | Yes (Series Diodes on Input) |
| Transient Suppression | Yes (TVS Diodes per Output) |
| On-Board Components | 12 PTC Fuses + 12 TVS Diodes + 12 LED Drivers + 6 Rectifier Diodes + 1 EMI Filter + 4 Protection Diodes |
| Energy Storage | 2 x 100 µF Electrolytic Capacitors (35V) + 2 x 10 µF Tantalum (25V) |
| Operating Voltage | +5 VDC and +24 VDC from Backplane |
| Voltage Drop (Input to Output) | < 0.2 VDC at Full Load |
| Isolation Rating | None (Direct Pass-Through) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Status Indicators | 1 Green LED (Power Input) + 12 Red LEDs (Fuse Blown per Channel) |
Power Distribution and Fusing Features
The GE IS200JPDHG1A IS200JPDHG1AAA distributes power to twelve independent output channels. Specifically, each channel includes a PTC resettable fuse for overcurrent protection. In addition, TVS diodes suppress voltage transients on each output line. Moreover, series diodes provide reverse polarity protection for the input supply. Furthermore, each channel has a red LED that lights when the fuse trips. Consequently, this board protects downstream modules from short circuits and overloads.
PTC Resettable Fuse Technology
This power distribution board uses PTC resettable fuses instead of disposable fuses. For instance, when a fault clears, the PTC fuse automatically resets after cooling. In addition, this eliminates the need to replace fuses after transient faults. Moreover, the fuse ratings range from 0.5 amps to 2.0 amps per channel. Furthermore, the PTC fuses respond quickly to short circuit conditions. Thus, the GE IS200JPDHG1A IS200JPDHG1AAA reduces maintenance time in turbine control cabinets.
Energy Storage and Power Filtering
This printed circuit board stores minimal energy using four onboard capacitors. Specifically, two electrolytic capacitors filter the input power for stable distribution. In addition, two tantalum capacitors provide high-frequency noise suppression. Moreover, these capacitors maintain output voltage during brief load transients. Furthermore, the board includes an EMI filter for conducted noise reduction. Therefore, this board delivers clean, filtered power to all downstream Mark VIe modules.
Installation and Diagnostic Indicators
Thirteen LED indicators provide operational status at a glance on this board. First, a green Power Input LED lights when both 5 VDC and 24 VDC supplies are present. Second, twelve red Fuse Blown LEDs illuminate when a channel’s PTC fuse has tripped. Additionally, the board features six mounting holes for secure rack attachment. Thus, you can diagnose power distribution faults instantly without external test equipment.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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