DS3820PSCB1C1B GE Mark IV Speedtronic Power Supply Modules
Manufacturer: GE Fanuc
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Part Number: DS3820PSCB1C1B
Condition：New with Original Package
Product Type: Power Supply Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE DS3820PSCB1C1B Mark IV Speedtronic Power Supply Module
The GE DS3820PSCB1C1B, also cataloged as the DS3820PSCB Power Supply Module, operates as a dedicated hardware component for internal regulated DC power distribution within Mark IV Speedtronic platforms. Configured to convert an 80-140 VDC primary rail, the unit energizes control processors, relay drivers, and field I/O modules across complex turbine automation loops.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS3820PSCB1C1B |
| Brand | General Electric (GE) |
| Origin | USA |
| Weight | 6.35 kg |
| Dimensions | 19.5 cm x 28.5 cm x 29 cm |
| Operating Temp | -40 to +65 deg C |
| Power Consumption | 60 W Output Power |
| Base Model | DS3820PSCB |
| Series | Mark IV Speedtronic |
| Product Type | Power Supply Modules |
| Input Voltage | 80-140 VDC |
| Power Supply Voltage | 24 VDC |
| Output Voltages | +5 VDC, +15 VDC, -15 VDC |
| Relay Channels | 16 |
| Mounting Type | Rack-mounted |
Backplane Bus Power Architecture & Firmware Synchronization
The module routes regulated +5 VDC logic rails alongside dual +/-15 VDC operational amplifier supply paths directly into the Speedtronic rack assembly. By maintaining continuous backplane bus communication velocity across internal diagnostic lines, the board monitors load current profiles and protects sensitive processor buses from transient fluctuations. Embedded hardware design guarantees immediate firmware flash compatibility with host Mark IV controller cards, preventing logic reset events during heavy relay channel switching across the 16 onboard output channels.
Frequently Asked Questions
Q: Which DC voltage rails does the DS3820PSCB1C1B supply to the Mark IV control rack?
A: The module converts incoming DC supply power to deliver regulated +5 VDC, +15 VDC, and -15 VDC rails directly to system processors and analog cards.
Q: What input power source does the DS3820PSCB1C1B power supply module require?
A: The module operates from an incoming primary supply range of 80 to 140 VDC, stepping down power to feed internal rack buses and control logic circuits.
Q: How is the DS3820PSCB1C1B hardware physically installed inside the control cabinet?
A: The unit features a standard chassis frame designed for direct rack-mounted installation within Speedtronic Mark IV cabinet assemblies.
Field Installation Guidelines
- Isolate the main cabinet DC feeder breaker and verify complete de-energization using a calibrated multimeter prior to touching host terminal connections.
- Align the DS3820PSCB1C1B card chassis with the designated cabinet rack guide rails, pushing evenly until the assembly seats into the backplane connectors.
- Torque all front-panel retaining hardware securely to maintain frame grounding integrity and prevent vibration-induced loosening.
- Verify that incoming supply wiring matches the 80-140 VDC terminal polarity before re-applying main power feeds to the rack.
- Ensure unobstructed airflow through cabinet ventilation paths around the module frame to prevent thermal heat accumulation during continuous operation.