Description
IS200EDCFG1A – Exciter DC Feedback Board is available in stock which ships the same day.
IS200EDCFG1A – Exciter DC Feedback Board comes in UNUSED as well as REBUILT condition.
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Controller Exciter DC Feedback Board part IS200EDCFG1A measures field voltages and currents at the SCR bridge of the device, currents are measured by dc shunts in field currents, this also has an EISB board for a high-speed fiber optic link.
IS200EDCFG1A Other names:
PCB board IS200EDCFG1A
Interface board IS200EDCFG1A
Analog module IS200EDCFG1A
Product Description
Part number IS200EDCFG1A is part of the EX2100 Excitation Controller Series. This model is an exciter direct current feedback board, which measures field voltage and field current at the SCR bridge. To properly use this model it is necessary to connect it to the EISB board when done so two fiber-optic cables are used for one signal each. The two fiber-optic cables that can be used are plastic fiber, the plastic fiber cable is used for distances up to ten meters; and a hard-clad silica fiber cable, this cable is used for distances up to ninety meters. Please note that the minimum bending radius of these cables is each one and a half inches.
There are two manuals that can be used with the IS200EDCFG1A model, one of them is the general GEH-6632 EX2100 Excitation Control User’s Guide and the other is the GEI-100464 Exciter DC Feedback Board manual.
FUNCTIONAL DESCRIPTION:
IS200EDCFG1A is an Exciter DC Feedback Board manufactured and designed by General Electric as part of the EX2100 Series used in Excitation Control Systems. At the SCR bridge, it detects field current and field voltage and communicates with the EISB board in the control panel through a quick fiber-optic link. High noise immunity and voltage isolation between the two boards are provided by fiber optics. Each signal travels on one of two fibers. The following are two fiber kinds that can be utilized for various distances:
Plastic-type fiber for distances up to 10 m
Hard-clad silica type for distances up to 90 m
FIELD VOLTAGE FEEDBACK:
In accordance with the kind of bridge application, the field voltage feedback circuit offers seven choice settings to reduce the bridge voltage. The bridge’s negative terminal and the current shunt’s positive terminal are monitored to determine the field voltage. Signals are fed into a differential amplifier, which controls a voltage-controlled oscillator after the voltage has been scaled with the jumpered resistors.
FIELD CURRENT FEEDBACK:
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 produced as a result, and it is supplied into a differential amplifier. An oscillator with voltage control receives an output voltage from the amplifier that ranges from -5 V to +5 V.
POWER SUPPLY:
EDCF receives power from an outside source which is 24 V DC. Three voltage regulators generate +15 V dc, -15 V dc, and + 5 V dc from this. The output voltages of 15 V dc operate the PSOK green LED.
APPLICATION DATA:
The EDCF has a single green LED that shows the power supply is on (PSOK). The accompanying figure, Board Layout, depicts the layout of the EDCF board.
CONNECTORS:
The board receives 24 V dc through connection J16 and the voltage across the field current shunt resistance through connector P1. The connection for the field voltage input is stab-on (E1). Through fiber-optic links, the current and voltage feedback to the control.
FREQUENTLY ASKED QUESTIONS
What is GE EX2100 IS200EDCFG1A?
IS200EDCFG1A is an Exciter DC Feedback Board developed by General Electric and used in Excitation control systems.
The IS200EDCFG1A board has a two-pin J16 connector, what are the two pins on the connector used for?
The two pins on the J-16 connector are both used for external VDC voltages. Pine one is a positive twenty-four VDC input to the DC-DC convertor. Pin two is also twenty-four VDC, but is a common input to the DC-DC converter.
What are the descriptions for the two fiber-optic connectors on the IS200EDCFG1A board?
The fiber-optic connectors are labeled CF OF and VF OF. The CF OF connector is a field current feedback pulse, HFBR-1528 fiber-optic driver/connector. The VF OF current is a field voltage feedback pulse, HFBR-1528 fiber-optic driver/connector.
There is one LED indicator on the IS200EDCFG1A board. What does this LED indicate?
The one LED on the IS200EDCFG1A board will light up green and indicate the power supply is operating. The LED is also labeled PSOK.
The IS200EDCFG1A measures field voltages across terminals, after these voltages, have been measured what happens to them?
After the field voltages have been measured there are scared with jumpered resistors. The signals are then input to different amplifiers that control the VCO (voltage-controlled oscillator).
Reviews For IS200EDCFG1A
The IS200EDCFG1A model has one LED light located on the front of the board, if this LED goes out it can be easily replaced.
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