IS200EDCFG1A – BOARD – EX2100 DC FEEDBACK – REFURBISHED

Description

SPECIFICATIONS:

Part Number: IS200EDCFG1A

Manufacturer: General Electric(GE)

Series: EX2100

DESCRIPTION:

• The IS200EDCFG1A is a Exciter DC Feedback Board (EDCF) which is used in the EX2100 Excitation Control.
• It monitors field current and voltage at the SCR bridge and communicates with the control panel’s EISB board via a high-speed fiber-optic link.
• The field voltage is measured across the negative terminal of the bridge and the positive terminal of the current shunt.
• At the SCR bridge, the field current is measured over a dc shunt. A low-level signal with a maximum value of 500 mV is generated and fed into a differential amplifier.
• The amplifier’s output voltage varies from –5 V to +5 V, which is fed into a voltage-controlled oscillator.
• IS200EDCFG1A receives power from a 24 V dc external source. Three voltage regulators come from this: +15 V dc, -15 V dc, and + 5 V dc. The ±15 V dc output voltages supply the PSOK green LED.

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