GE IS200EDCFG1BAA EX2100 Exciter DC Feedback Board

GE IS200EDCFG1BAA Exciter DC Feedback Board – EX2100 Series

General Electric IS200EDCFG1BAA functions as an Exciter DC Feedback Board (EDCF) within the EX2100 excitation system. This board measures field current and voltage across the SCR bridge. Engineers trust IS200EDCFG1BAA for precise DC feedback and high-speed fiber-optic communication with EISB boards.

Core Technical Specifications

• Brand: General Electric (GE)
• Model: IS200EDCFG1BAA
• Series: EX2100 Excitation Control
• Functional Acronym: EDCF
• Product Type: Exciter DC Feedback Board
• Field Current Input: 0-500 mV from DC shunt
• Output Voltage Range: -5 V to +5 V DC
• VCO Frequency: Proportional to input voltage
• Fiber-Optic Distance: Plastic: 10m max, Hard Clad Silica: 90m max
• Minimum Bending Radius: 1.5 inches
• Input Voltage: 24 V DC via J16 connector
• Operating Temperature: -30°C to +65°C
• Dimensions: 15.9 cm x 10.2 cm
• Technology: Surface-mount
• PCB Coating: Normal coating
• Functional Revisions: 1B, 2A
• Artwork Revision: A
• Country of Origin: United States (USA)

Field Current Feedback Path

• Measures current across DC shunt at SCR bridge. Low-level signal max amplitude 500 mV.
• Differential amplifier conditions shunt signal. Provides amplification and common-mode rejection.
• Output voltage regulated from -5 V to +5 V. Linear representation of field current magnitude.
• Voltage-controlled oscillator converts DC to frequency. VCO frequency varies proportionally to input voltage.
• Frequency modulation enables precise monitoring. Dynamic representation of field current status.

Fiber-Optic Interface Design

• High-speed fiber-optic link connects to EISB board. Provides complete voltage isolation between drive and control.
• Exceptional noise immunity over entire communication path. Eliminates EMI/RFI interference concerns.
• Plastic fiber supports distances up to 10 meters. Ideal for short connections within control panel.
• Hard clad silica fiber reaches 90 meters. Flexible system layout for extended installations.
• Minimum 1.5 inch bending radius required. Proper handling prevents signal degradation and fiber damage.

Fiber-Optic Connectors

• CF OF connector: Field Current Feedback Pulse. Transmits VCO frequency signal to EISB.
• VF OF connector: Field Voltage Feedback Pulse. Similar HFBR-1528 fiber optic driver configuration.
• Both connectors utilize HFBR-1528 drivers. Industry-standard components for reliable optical transmission.
• Fiber-optic link enables isolated feedback. No electrical connection between power and control circuits.
• Voltage isolation protects control electronics. Precludes ground loops and high-voltage transients.

Power Supply and Status Indication

• J16 connector accepts 24 V DC input voltage. External voltage regulators provide stable power.
• Onboard power supply conditioning for EDCF circuits. Supports differential amplifier and VCO operation.
• Green PSOK LED indicates power supply health. Factory-printed nomenclature on PCB silkscreen.
• LED illuminates when 24 V DC is present and regulated. Immediate visual confirmation of normal board function.
• Single LED simplifies troubleshooting. No additional test equipment required for power verification.

Configuration and Customization

• Eight bridge voltage scaling jumpers for PT selection. Accommodates PPT voltages from 140 V rms to 1400 V rms.
• Jumper configuration matches system PT secondary voltage. Ensures accurate field voltage measurement scaling.
• Normal PCB coating protects all components. Chemically-applied conformal layer resists moisture and contamination.
• G1 series grouping tag confirms coating type. Visible in IS200EDCFG1BAA functional product number.
• Field-configurable jumpers maximize application flexibility. Single board variant supports multiple excitation voltages.

Measurement and Accuracy Features

• Differential amplifier rejects common-mode noise. Preserves signal integrity in electrically noisy environments.
• 500 mV full-scale shunt input optimized for DC shunts. Standard signal level for excitation current measurement.
• -5 V to +5 V output compatible with VCO and control systems. Bipolar range represents forward and reverse current.
• VCO linearity ensures accurate frequency representation. Direct proportionality between input voltage and output frequency.
• Frequency-based feedback immune to amplitude noise. Superior reliability compared to analog voltage transmission.

Packaging and Delivery

• Each IS200EDCFG1BAA ships in anti-static shielded packaging. ESD foam protects all connectors and components.
• Package includes one GE EDCF DC feedback board. No fiber-optic cables, power supply, or mounting hardware included.
• Direct drop-in replacement for existing EDCF modules. Identical form factor and connector layout.
• We ship via FedEx, UPS, or DHL. Tracking information provided within 24 hours of dispatch.
• International export packaging available. Double-boxed with moisture barrier for air freight.

Contact Information

• Email inquiries: sales@nex-auto.com
• WhatsApp support: +86 153 9242 9628
• Response time: Same business day for all technical and commercial questions.

Frequently Asked Questions

Q: What is the difference between IS200EDCFG1BAA and the original EDCFG1?
A: IS200EDCFG1BAA includes functional revision 1B and 2A with artwork revision A. It features enhanced VCO linearization and expanded PT voltage jumper selection.

Q: What voltage does the EDCF board require to operate?
A: The board requires 24 V DC input through J16 connector. External voltage regulators must supply this power.

Q: What does the PSOK LED indicate?
A: PSOK (Power Supply OK) illuminates green when the onboard power supply is functioning correctly. No light indicates power failure.

Q: What fiber-optic cable distance should I select?
A: Use plastic fiber for distances up to 10 meters. Use hard clad silica fiber for distances up to 90 meters.

Q: How do I configure the bridge voltage scaling jumpers?
A: Eight jumpers select PPT voltage from 140 V rms to 1400 V rms. Set according to your system's potential transformer secondary voltage.

Q: What is the output signal range of the differential amplifier?
A: The amplifier output ranges from -5 V to +5 V DC, proportional to the 0-500 mV shunt input signal.

Q: What is the typical lead time for IS200EDCFG1BAA?
A: In-stock orders ship within 48 hours. Volume orders typically ship within 5 business days.

Partner: AutoNex Controls Limited – Authorized GE EX2100 parts supplier.