Description
Product Description
The GE General Electric DS3800HPBC1B1D is a Parallel Line Buffer Board from the GE Mark IV Speedtronic control family. The base DS3800HPBC is identified as a Parallel Line Buffer Board used in GE Mark IV systems. The board provides buffered digital signal interfacing within the control architecture and uses a modular plug-in construction for installation in the applicable card rack.
The DS3800HPBC1B1D is a specific hardware configuration of the HPBC family. Available records for the HPBC family describe a modular connector, retention levers, three onboard jumpers, one red LED, two amber LEDs, multiple capacitors, and TTL logic circuitry. Exact circuit assignments and configuration should be verified against the original Mark IV system and board revision before replacement.
Product Datasheet
| Specification | Details |
|---|---|
| Brand | GE General Electric |
| Model | DS3800HPBC1B1D |
| Base Model | DS3800HPBC |
| Series | GE Mark IV Speedtronic |
| Product Name | Parallel Line Buffer Board |
| Product Type | Control System Interface PCB |
| Functional Family | HPBC |
| Application | GE Mark IV turbine / drive control systems |
| Primary Function | Parallel signal buffering and digital signal interfacing |
| Logic Type | TTL logic |
| Status Indicators | 1 Red LED + 2 Amber LEDs |
| Onboard Jumpers | 3 |
| Connector | Modular plug-in connector |
| Retention | Board retention levers |
| Capacitors | Multiple onboard capacitors |
| Installation | Mark IV card rack / system-specific |
| Product Status | Legacy / discontinued-series hardware |
| Condition | Verify actual item condition before installation |
| Dimensions | System-specific; verify before installation |
| Weight | System-specific |
| Origin | GE / General Electric |
| Compatibility | Revision and system-configuration dependent |
Functional Features
- Designed for the GE Mark IV Speedtronic control platform.
- Provides parallel-line buffering for digital control signals.
- Uses TTL-based interface logic within the applicable control architecture.
- Modular plug-in design allows installation and removal from the compatible card rack.
- Retention levers help secure the board during operation.
- One red and two amber LEDs provide local board-status indication.
- Three onboard jumpers provide configuration options for the applicable system.
- Multiple capacitors are installed as part of the board circuitry.
- The DS3800HPBC1B1D suffix should be matched exactly when replacing an existing board.
- Suitable for maintenance, repair, and spare-parts inventory for legacy GE Mark IV systems.
FAQ
Q: What is the GE DS3800HPBC1B1D?
A: It is a GE Mark IV Parallel Line Buffer Board belonging to the DS3800HPBC family.
Q: What does the HPBC board do?
A: The HPBC provides buffered parallel-line signal interfacing within compatible GE Mark IV control equipment.
Q: How many LEDs are on the HPBC board?
A: Available descriptions of the HPBC family identify one red LED and two amber LEDs for local status indication.
Q: Does the board have configurable jumpers?
A: Yes. The HPBC family is documented with three onboard jumpers. Their actual functions should be verified against the applicable Mark IV documentation before changing any settings.
Q: Is DS3800HPBC1B1D interchangeable with DS3800HPBC1B1C?
A: They are variants within the same HPBC family, but interchangeability should not be assumed. The complete part number, revision, jumper configuration, and host-system requirements should be checked before substitution.
Q: Is the DS3800HPBC still a current GE product?
A: No. It belongs to the legacy Mark IV DS3800 family and is primarily encountered as a maintenance, repair, or replacement component.
Troubleshooting & Safety
Before removing the DS3800HPBC1B1D, shut down and electrically isolate the associated Mark IV equipment according to the site’s lockout/tagout procedure. The board contains capacitors that may retain electrical energy after power is removed. Allow the equipment to discharge according to the manufacturer’s service procedure and verify the absence of hazardous voltage before handling the board.
If the replacement board does not function correctly, verify the complete part number, board revision, card position, connector seating, retention mechanism, jumper configuration, and associated wiring. Check the LED status indicators and inspect the board for damaged components, contamination, corrosion, or bent connector contacts.
Do not change jumper settings simply to match another HPBC variant. The correct configuration should be determined from the original board and the specific Mark IV system documentation.
Recommended GE Models
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- DS3800HPBD — Parallel Buffer Decoder Board
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- DS3800HPCA — Digital Pulse Controller
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- DS3800HPIB — Panel Interface Board
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