GE IS200JPDCG1A Mark VI Speedtronic Power Distribution Board

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Manufacturer: General Electric
Country of origin:United States
Product Type: Power Distribution Board
Payment: T/T, Western Union
Weight: 2500g
Dimensions: 17.78(W) × 7.62(D) × 51.81(H) cm
Shipping port: Xiamen
Warranty: 12 months

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Description

The IS200JPDCG1A functions as a component-dense power distribution board within the General Electric Mark VI Turbine Control System. It combines input and output distribution functions to deliver 125 V dc, 115/230 V ac, and 28 V dc to other terminal boards and packs within steam, gas, or wind turbine management setups. The IS200JPDCG1A acts as the primary hosting module for a Power Distribution System Feedback (PPDA) I/O pack, directly capturing and multiplexing diagnostic feedback signals from both local circuits and daisy-chained upstream distribution boards to facilitate system monitoring via the IONet.

Features

Integrated PPDA Feedback Support: Hosts the PPDA I/O pack on connector JA1, routing local and daisy-chained diagnostic signals without requiring separate diagnostic transmission lines.
Multi-Bus Power Distribution: Distributes 125 V dc, 115/230 V ac, and 28 V dc power simultaneously across partitioned board zones.
Extensive Polyfuse Protection: Includes twenty-six 1.6 A polyfuse-protected outputs for auxiliary device distribution alongside dedicated un-fused high-current controller and switch power connections.
Upstream Board Daisy Chaining: Equipped with a 50-pin ribbon cable connector (P2) supporting the cascading of up to four additional distribution boards into the PPDA feedback loop.
Ground Fault Sensing Capability: Features a bus centering circuit activated via jumper JP2, connecting both sides of the 125 V dc bus to functional earth through 84 kOhm resistors for precise fault monitoring.

Applications

Gas and steam turbine management systems
Alternative energy wind turbine control applications
Automated industrial control cabinets utilizing Mark VI Speedtronic infrastructure

Ordering Information

Module Version	Configuration Detail
IS2020JPDCG01	Standard version for most power distribution applications
IS2020JPDCG02	Special version including a wire jumper on the D1 diode assembly to enable JD2 Battery B input as an output

Technical Specifications

Item	Description / Value
Manufacturer	General Electric
Series	Mark VI Speedtronic
Part Number	IS200JPDCG1A
Functional Abbreviation	JPDC
28 V dc Inputs (JR, JS, JT)	19 A max each, 15 V max
28 V dc Un-fused Outputs (J1, JP1, JCR, JCS, JCT, JRS, JSS, JTS)	13 A max per pin; total current not to exceed 12.5 A
28 V dc Fused Outputs (JR1-JR10, JS1-JS8, JT1-JT8)	1.6 A polyfuse per connection
115/230 V ac Input (JAC)	13 A max, 115/230 V ac, 50/60 Hz (30 A circuit breaker protection)
115/230 V ac Outputs (JAC1, JAC2)	10 A max each, protected by 10 A 250 V time-delay fuses
125 V dc Battery Inputs (JD1, JD2)	20 A max total current, 90-145 V dc input voltage range
125 V dc DACA Input (JZ2)	10 A max, 125 V dc nominal, 145 V dc maximum
Impedance to Ground	>75 kOhm (JP1 jumper in place), >1500 kOhm (JP1 jumper removed)
Operating Temperature Range	-30 to 65 degC (-22 to 149 Fahrenheit)
Board Size	17.2 cm Wide x 48.26 cm High (6.75 in x 19.0 in)
Module Size	17.78 cm Wide x 51.81 cm High x 7.62 cm Deep (7.0 in x 20.4 in x 3 in)
Factory Location	Salem, Virginia, USA

Connections/Interfaces

Connector / Signal	Function
JR, JS, JT	28 V dc Power Supply Inputs
JAC	115/230 V ac Power Input
JAC1, JAC2	115/230 V ac Power Outputs (JAC1 is switched via SWAC1)
JD1, JD2	125 V dc Battery Inputs (OR'ed together via diode module D1)
JZ2	125 V dc DACA Module Connection
J1R, J1S, J1T	125 V dc outputs to external dc/dc 28 V dc power supplies
J7A, J7B, J7C	125 V dc outputs to TRLY Relay Output terminal boards
J8A, J8B, J8C	125 V dc short-circuit limited outputs with 22 Ohm series resistors for TBCI boards
P2	50-pin ribbon cable connector for diagnostic daisy chain inputs
JA1	62-pin D-shell connection for the PPDA I/O feedback pack
TB1	5-screw terminal block for 28 V dc Bus Tie configuration
TB2, TB3, TB4	Direct access terminal blocks for raw analog diagnostic feedback signals

Installation Guidelines

Mounting Orientation: The module must be mounted vertically with the 115/230 V ac input connector (JAC) situated at the bottom. Secure the module base to the panel back-base with four screws via the designated top and bottom mounting holes.
Module Integrity: To prevent physical damage, do not remove the printed circuit board from its factory-supplied steel mounting plate; always replace the board and backing plate as a single complete module assembly.
Functional Grounding (FE): Ensure the module is fastened tightly to an underlying sheet-metal surface grounded to the functional earth (FE) network to establish a proper reference point for diagnostic loops.
Protective Grounding (PE): Separate dedicated earth ground wires must link module screw connections E5 and/or E6 directly to the enclosure protective earth (PE) bus. Grounding paths must handle 60 A for 60 seconds with less than a 10 V drop.
Filter Placement: Position input line filters immediately on a PE-grounded base or adjacent to the enclosure PE bus using minimal wire lengths to mitigate radio frequency impedance.
Power Re-energization Delay: After throwing toggle switches SW1R, SW1S, or SW1T to the OFF position, wait a minimum of 30 seconds before re-energizing to prevent destructive inrush voltage damage to connected 28 V dc power supply input circuits.

Product Image	Model Number / Title	Condition	Availability	Action
	GE Energy IS200TPIMG1A Mark VI Protective Interface Board	Original New	In Stock	View Details

Key Features:

#Mark VI #Power Distribution Boards

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

What is the purpose of the 30-second wait time warning labeled on the module switches?

When the external dc/dc converter supply switches (SW1R, SW1S, SW1T) are turned off, a 30-second delay is required before switching them back on to prevent electrical inrush damage to the input circuits of the connected 28 V dc power supplies.

How are the ground networks segregated on the power distribution board?

The board splits grounding into a Protective Earth (PE) connection for hardware safety and switch body paths, and a Functional Earth (FE) connection used through the mounting supports as a reference point for analog diagnostic feedback signals.

Why are there no diagnostic feedback loops provided for the J8A, J8B, and J8C power outputs?

Feedback loops are omitted for these specific outputs because they feed Contact Input (TBCI) terminal boards, which feature their own onboard internal voltage monitoring circuits.

How do you reset a latch-off state caused by an overcurrent event on the auxiliary device outputs?

The twenty-six auxiliary outputs are protected by 1.6 A polyfuses that latch off during overcurrent conditions; to reset them, you must cycle the input power to the affected polyfuse circuit.

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TECHNICAL SPECIFICATIONS

Country of origin

GE IS200JPDCG1A Mark VI Speedtronic Power Distribution Board