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SPECIFICATIONS:
Part Number: IS200JPDFG1AED
Manufacturer: General Electric
Series: Mark VIe
Board rating: 125 V dc
Product Type: DC Power Distribution Module
Impedance to the ground: 75 Ohms
Power Requirements: +5 V dc, 6 A
Operating temperature: -30 to +65�C
Size: 30.48cm High x 21.33cm
Mounting: 4 mounting Holes
Repair: 3-7 Days
Fuse for connectors J1R, J1S, J1T: 10 A 250 V
Availability: In Stock
Country of Origin: United States
Manual: GEH-6721D
FUNCTIONAL DESCRIPTION:
IS200JPDFG1AED is a DC Power Distribution Module (125 V ) manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. The DC power distribution module JPDFG1AED accepts redundant 125 V dc power inputs and distributes power to other system boards. JPDF works with a floating dc bus that is centered on Earth rather than with a grounded system. This permits detection of a system ground fault and carries a non-hazardous live 125 V dc rating. An input 125 V dc battery power is connected to a terminal board on the IS200JPDF module.
The power is then routed through a 125 V dc 30 A circuit breaker and line filter before being connected to the JPDFG1AED board through the J1 connector. Dc voltage is then routed to three fused, non-switched outputs and six fused, switched outputs. AC power is routed through the board to the DACA modules, where it is converted to dc power. Dc power returns to JPDF, where it is combined with the battery power input.
JPDF can operate with any combination of one or more inputs active, creating a high-reliability source of 125 V dc power for the control system. The module provides full status feedback using a connection to a PPDA I/O pack. Feedback includes bus magnitude, ground fault detection, and detection of excessive ac voltage on the dc bus. Each fused branch circuit is monitored to indicate the presence of output power.
COMPATIBILITY:
The module is designed for seamless integration with multiple system boards and modules, providing both reliable power distribution and comprehensive status monitoring. It is compatible with the feedback signal connectors P1 and P2 on JPDB, JPDE, JPDS, and JPDM, which connect to a PPDA I/O pack to enable real-time monitoring of bus voltages, ground faults, and fused output status. For AC power interfacing, the JAF1 connector on the IS2020JPDF is compatible with the AC power output connector on the module, allowing AC input to be converted to DC and combined with battery power for a continuous 125 V DC supply. Additionally, the JZ2 and JZ3 connectors interface with the IS2020DACA modules, enabling the delivery of DC power to these modules and the return of converted DC, ensuring synchronized and uninterrupted power distribution. Through these connections, the module acts as a central hub, supporting redundant inputs, fused output monitoring, and full feedback to the PPDA I/O pack, ensuring both high reliability and operational awareness across the system.
INSTALLATION:
The module is base-mounted vertically on a metal back base in a cabinet used by the PDM. A connection must be made between the JPDFG1AED sheet metal and the system protective earth (PE). Input battery power is applied to terminals DCHI and DCLO. If one or two DACA modules are used, ac power is applied to JAF1, typically from a module. DACA modules connect to JPDF through connectors JZ2 and JZ3. Output circuits are connected as documented for the system. A power distribution system featuring a PPDA power diagnostic I/O pack requires a 50-pin ribbon cable from the JPDF connector P1 to the P2 connector on the board holding PPDA. This connection can pass through other core PDM boards using the P2 connector.
GROUNDING:
The JPDF is grounded through metal mounting supports fastened to the underlying sheet metal of a metal module. The ground is applied to the metal switch bodies on JPDF. Additionally, the ground is used as a local reference point when creating the feedback signals appearing on P2. The sheet metal of the module is insulated to the surface upon which it is mounted. This is done specifically to allow the definition of the JPDF ground independent of the mounting surface. Typically, JPDF is mounted to a base grounded to FE. JPDF would be located low in the cabinet, and a separate ground wire from the JPDF module would be provided to PE. The minimum length of the ground wire is important to keep impedance low at radio frequencies, allowing the input line filters to function properly.
GROUND FAULT DETECTION:
The module supports the use of a DC bus that is centered on ground potential through a high resistance. This arrangement allows the detection of a ground fault when the positive bus or negative bus voltage goes to ground potential. In support of this arrangement, it includes separate voltage feedback sensing for positive and negative power with respect to ground. When the feedback is cabled into a PPDA I/O pack, detection of ground faults is provided to the system. The resistance used, centering the DC bus on ground, sets the ground detection sensitivity and ground fault currents that can flow. It contains centering resistors selected by jumper JP1. Should centering resistance be provided elsewhere, then the jumper on JPDF should be open. JPDF is designed to then insert minimal centering resistance in the system. If JPDF is providing the centering function, JP1 should be closed. If two JPDF modules are used, only one should have a closed JP1 jumper.
WOC offers the largest inventory of OEM replacement parts for GE Distributed Control Systems, ensuring that you have access to high-quality, reliable components when you need them most. In addition to supplying unused OEM parts, we also provide repaired and rebuilt boards, all backed by a warranty for your peace of mind. Our experienced team of automation experts is available 24/7 to assist with any OEM-related requirements, from troubleshooting and repairs to recommending the right replacement parts. Whether you need support for urgent system repairs or routine maintenance, WOC is committed to delivering fast, dependable solutions tailored to your needs. For detailed pricing, availability, or technical assistance regarding parts and repairs, please reach out to our team via phone or email, and we will be happy to provide prompt support.
What is the IS200JPDFG1AED?
The IS200JPDFG1AED is a 125 V DC power distribution module designed by General Electric for the Mark VIe Distributed Control System. It accepts redundant DC inputs and distributes power to other system boards while providing monitoring and fault detection features. Its floating DC bus allows safe ground fault detection without hazards.
What are the main functions of this module?
This module distributes DC power from battery and AC-converted sources to system boards. It supports fused outputs, monitors bus voltage, detects ground faults, and provides feedback through the PPDA I/O pack. Redundant inputs ensure high reliability and continuous operation.
What are the power and fuse specifications?
It operates at 125 V DC with +5 V DC, 6 A auxiliary power requirements. The module includes three non-switched fused outputs and six switched fused outputs, with fuses rated at 10 A, 250 V for connectors J1R, J1S, and J1T.
What is the purpose of the JP1 jumper?
JP1 controls the centering resistors that define the DC bus�s reference to ground. Closing JP1 enables the module to provide the centering function for ground fault detection, while leaving it open minimizes centering resistance when another module performs this function. Only one module should have JP1 closed in dual-module configurations.
