Home>GE>General Electric IS200ERBPG1A Exciter Regulator Backplane

General Electric IS200ERBPG1A Exciter Regulator Backplane Item NO.: 2907257

Write a Review

US$ 1.00

Quantity: Stock ( 28 )

Request Price & AvailabilitySend the part number and quantity. Our team will confirm stock, condition, lead time and the best quotation.

MOQ: 1 piece
International shipping
1-year warranty on eligible items
Fast response during business hours

Product Name	General Electric IS200ERBPG1A Exciter Regulator Backplane
Item NO.	2907257
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	GE
Brand	GE
Creation Time	2026-09-11

General Electric

IS200ERBPG1A

Exciter Regulator Backplane

EX2100 / Mark VI

AVR Logic Hub · 96/128-pin DIN · Simplex/Redundant

Product Overview

The IS200ERBPG1A is an Exciter Regulator Backplane (ERBP) from GE's EX2100 Excitation Control System. It serves as the central passive backbone within the Regulator Control Rack, hosting core AVR logic modules such as ACLA, DSPX, ERIO, and EPSMG2 for generator voltage regulation.

The ERBP is functionally distinct from the EBKP backplane. While EBKP handles the main exciter power bridge control (M1/M2/C), the IS200ERBPG1A is dedicated to the Regulator Logic section, commonly used in brushless or rotating exciter schemes. This separation ensures that a short in the high-current gate-drive section does not propagate to the AVR logic.

The board routes VMEbus signals and distributes power across its slots, eliminating point-to-point wiring between the processor and I/O. It supports both Simplex and Redundant configurations via master selection jumpers.

Technical Specifications

Parameter	Value
Brand	General Electric (GE)
Model	IS200ERBPG1A
Type	Exciter Regulator Backplane (ERBP)
Country	United States
Series	EX2100 / Mark VI Excitation Control
Functional Acronym	ERBP (Exciter Regulator Backplane)
Operating Mode	Simplex or Redundant (jumper selectable)
Card Slot Connectors	3U/6U VME Eurocard (96-pin and 128-pin DIN)
Primary Power Input	Terminal Posts TB1 (+) and TB2 (-) — 125 V DC
Hosted Modules	ACLA, DSPX, ERIO, EPSM, ERDD, EROC, EISB
Auxiliary Connectors	J4 (Keypad), J1F1/J1F2 (Fan Power), J3 (ERRB), J5M1 (ERRR), J16 (EDCF)
Board ID System	Onboard serial bus reads barcode, type, and hardware revision
Weight	Approx. 3.00 lbs (1.36 kg)

Regulator Rack Architecture

How the IS200ERBPG1A Serves the Regulator Logic Section

The IS200ERBPG1A is a passive multilayer backplane mounted vertically in the Regulator Control Cabinet. It acts as the mechanical and electrical skeleton for the AVR function, distinct from the EBKP that handles the power bridge.

Hosts ACLA (Application Control Layer) for outer-loop AVR, VAr/PF control
Hosts DSPX (Digital Signal Processing) for inner-loop field regulation
Hosts ERIO (Exciter Regulator I/O) for PT/CT inputs via EPCT/ECTB
Hosts EPSMG2 for regulator rack power conversion (125 V DC to +5V/+24V)

Routes VMEbus signals between mounted boards
Distributes +5 V DC, +24 V DC, ±15 V DC from EPSM across slots
Supports Simplex Mode for brushless retrofits, cutting retrofit CAPEX by 40%
Functional isolation from EBKP prevents power bridge faults from reaching AVR logic

Connector Allocation & Power Distribution

IS200ERBPG1A Interface Points

The IS200ERBPG1A provides dedicated connectors for power input, fan cooling, keypad interface, and auxiliary board connections. The power connectors are at the bottom of the board.

TB1 — Positive power input (125 V DC from EPDM or plant battery)
TB2 — Negative power input
J1F1 — Fan 1 power output
J1F2 — Fan 2 power output

J4 — Keypad / Local Operator Interface connector
J5M1 — ERRR (Redundant Relay) board power
J3 — ERRB (Redundant Backplane) interconnect
J16 — EDCF (Exciter DC Feedback) board power

FAQ

The keypad on our EX2100 regulator cabinet is not responding. How do we verify if the IS200ERBPG1A keypad connector is the issue?

The IS200ERBPG1A provides the keypad interface via connector J4 at the top corner of the board. Check that the keypad cable is fully seated at J4. If the keypad remains unresponsive, inspect the J4 connector pins for damage or oxidation. Since the backplane is passive, a faulty keypad is typically a cable or keypad assembly issue rather than the ERBP itself.

We are converting a brushless exciter system to use the IS200ERBPG1A regulator rack. What jumper setting is required for simplex AVR-only operation?

The IS200ERBPG1A includes master selection jumpers that configure the system for Simplex or Redundant operation. For a brushless retrofit using only AVR logic, set the jumpers to Simplex Mode. This allows you to populate only the ACLA, DSPX, and ERIO boards without the full M1/M2/C redundant power stack, reducing retrofit cost by up to 40% [citation:2].

One of the cooling fans in our IS200ERBPG1A regulator rack has stopped. Can the backplane provide power to a replacement fan directly?

Yes. The IS200ERBPG1A provides dedicated fan power outputs at connectors J1F1 and J1F2. Check the fan power output at the corresponding connector. If voltage is present at J1F1 or J1F2 but the fan does not rotate, the fan itself has failed. Replace the fan and reconnect to the appropriate J1F connector.

We need to add a redundant relay board to our IS200ERBPG1A-based regulator system. Where does the ERRR board connect?

The IS200ERBPG1A provides the connection point for the ERRR (Exciter Regulator Redundant Relay) board at connector J5M1. The ERRR board receives power from this dedicated tap. When adding redundancy, verify that the master selection jumpers are configured for Redundant mode and that the ERRB interconnect at J3 is properly cabled.

Our IS200ERBPG1A has been in storage and we need to install it. What should we inspect before rack installation?

Inspect the 96-pin and 128-pin DIN connectors for bent or oxidized pins. Verify that the TB1 and TB2 power terminal posts are secure. Check the J1F1/J1F2 fan power headers and J4 keypad connector for physical damage. Since the board carries high-current power rails alongside high-speed serial bus lines, ensure the gold-fingered edge connectors are clean before inserting any control boards.

Moore Automation

Moore Automation supports power generation facilities with legacy excitation control systems. Our focus is on helping plants maintain GE EX2100 regulator racks when original OEM support is no longer available and replacement backplane boards become difficult to source.

We understand the urgency of regulator rack failures. When the AVR logic backplane is compromised, generator voltage regulation is at risk. Our team provides fast quotes, verified condition reports, and shipping options that align with your maintenance window.

Supported Brands

Siemens AB Woodward ABB Emerson Triconex Honeywell GE

Recommended Products

GE IS200ACLAH1A

GE IS200DSPXH1D

GE IS200ERIOH1A

GE IS200EPSMG2A

GE IS200ERDDG1A

GE IS200EROCG1A

GE IS200ERRRH1A

GE IS200EBKPG1A

GE IS200ESELH2A

GE IS200EMIOH1ACA

GE IS200EDCFG1A

GE IS200TVIBH2BCC

GE IS200VSVOH1BEF

GE IS200EDEXG1ADA

GE IS200TVBAH1ACC

GE IS200EPCTG1AAA

GE DS200LDCCH1A

GE DS200TCTGG1A

GE DS200TCTSG1A

GE DS200TCRAG1A

Bently Nevada 3500/42M

Bently Nevada 3500/22M

Bently Nevada 3500/15

Bently Nevada 3500/25

Bently Nevada 330180-90-00

Woodward 9907-164

Woodward 9907-162

Woodward 5462-758B

ABB DSQC639

ABB AI835

ABB CI854AK01

ABB PM861AK01

ABB DO810

Emerson KJ3002X1-BB1

Emerson KJ3221X1-BA1

Emerson VE4035S2B1

Emerson 1C31132G01

Triconex 3625

Triconex 3700A

Triconex 4351B

Honeywell CC-PAIH01

Honeywell CC-PDOB01

Honeywell 51402497-200

Honeywell 51199194-100

Siemens 6ES7331-1KF02-0AB0

Siemens 6ES7315-2FJ14-0AB0

Siemens 6DD1660-0BA0

Siemens 6ES5314-3UA11

Siemens 6GK7443-1EX20-0XE0

Yokogawa CP345

Yokogawa AAI143-H00

Yokogawa AMM12C

Yokogawa AAI141-S00

Schneider 140CPU65150

Schneider 140CPU67060

Schneider 140CRA93100

Schneider 140CPS11420

Bently Nevada 330130-040-00-00

Bently Nevada 330780-90-00

Woodward 9907-165

Contact Us

Manager

Leonia

sales@mvme.cn

+8618030175807

No related record found