IS2020JPDBG01 Power Distribution Board

FUNCTIONAL DESCRIPTION:

IS2020JPDBG01 is a Power Distribution Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. The JPDB board for ac power distribution regulates, watches over, and disperses ac power. Two line filters and an IS200JPDB circuit board are included in the module. Two separate ac distribution circuits, each rated for 20 A at 115 or 230 V ac, are included in the module. To prevent PPDA alerts when only one source of ac power is available, the input circuits should be wired in parallel.

There is one fused output and three fused and switched branch circuit outputs for each circuit. There is a connection available for a JPDF 125 V dc distribution module that is optional. The IS200JPDB features status feedback for all fused circuits as well as passive monitoring circuits for both ac magnitudes. On connector P1, which is suitable for cable connection to a board containing a power diagnostic PPDA I/O pack, are the monitoring circuits. The P2 port on the IS200JPDB allows monitoring signals from other power distribution system cards to be passed through.

COMPATIBILITY:

The JPDE, JPDF, JPDS, and JPDM feedback signal P1 and P2 connections on the IS2020JPDB are compatible, creating a PPDA I/O pack. The ac input on the JPDF module bearing the same name can be used with connector JAF2.

INSTALLATION:

In a PDM cabinet, the IS2020JPDB module is base-mounted vertically on a metal rear base. The Protective Earth system and the IS2020JPDB sheet metal must be connected.

For the first ac circuit, input power is delivered to terminals AC1H (line) and AC1N (neutral), and for the second ac circuit, AC2H (line) and AC2N (neutral). There must be grounded neutral connections on both ac inputs. The system’s output circuit connections follow the documentation.

A 50-pin ribbon cable is needed to link the JPDB connection P1 to the P2 connector on the board housing the PPDA if the power distribution system has a PPDA power diagnostic I/O pack. Other core PDM boards may be connected by using the P2 connector for this connection.

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