Description

GE DS200TCPDG2B Power Distribution Board

The GE DS200TCPDG2B, also cataloged as the DS200TCPD Power Distribution Board, operates as a dedicated hardware component for AC/DC power distribution and low-voltage bus conditioning within the Mark V Speedtronic control system. The board routes regulated power to processor, I/O, and interface assemblies through protected distribution paths.

Hardware Specifications

Parameter	Specification
Model	DS200TCPDG2B
Brand	GE
Operating Temp	0 deg C to 60 deg C
Product Type	Power Distribution Module
Functional Group	Power Distribution Board (TCPD)
Series	Mark V Speedtronic Control System
Functional Acronym	TCPD
Board Revision	G2B (Group 2, Revision B)
PCB Coating	Normal Coating
Primary Power Inputs	125 VDC nominal, 115 VAC nominal
Output Bus Lines	+5 VDC, +/-15 VDC, +24 VDC
Protection	Individual branch circuit fuses, MOV overvoltage protection
Diagnostics	Onboard diagnostic LEDs, voltage test points
Connectors	Multi-pin headers, screw terminal connection points
Storage Temperature	-40 deg C to 85 deg C
Humidity	5 % to 95 % relative humidity, non-condensing

Firmware Flash Compatibility and Backplane Power Distribution

The DS200TCPDG2B distributes regulated DC supply rails throughout the Mark V control rack rather than executing application firmware. During board replacement, compatibility should be verified against the installed Mark V hardware revision to maintain correct power bus allocation and connector assignment. The board interfaces with cabinet power distribution through dedicated terminal connections and internal interconnects.

Frequently Asked Questions

Q: Does the DS200TCPDG2B support hot-swap replacement?
A: The available documentation does not specify hot-swap capability. The control cabinet should be de-energized before removing or installing the board.

Q: What protection mechanisms are integrated on the board?
A: The board incorporates individual branch circuit fuses and MOV-based overvoltage protection to isolate faults and suppress transient voltage conditions on the distribution network.

Q: How can output supply voltages be verified during maintenance?
A: Physical voltage test points and onboard diagnostic LEDs allow maintenance personnel to verify the presence of system supply rails while following approved electrical safety procedures.

Field Installation Guidelines

• Verify the board model and G2B hardware revision before installation.
• Disconnect cabinet power before connecting or removing field wiring.
• Confirm the input supply matches the specified 125 VDC or 115 VAC source before energizing the system.
• Tighten screw terminal connections according to the equipment maintenance procedure to prevent high-resistance joints.
• Route power wiring separately from low-level analog or communication cables to reduce conducted electrical noise.
• Inspect branch fuses before startup and replace only with the specified fuse type and rating defined by the system documentation.
• Use the onboard voltage test points to confirm output bus availability before reconnecting dependent control modules

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems