Description

GE IS200EDISG1AAA Exciter Power Distribution Board (EDIS)

Technical Specifications

• Product Model: IS200EDISG1AAA
• Brand: GE
• Warranty: One Year
• Input Voltage: 125 V DC station battery; Dual‑channel 115/220 V AC, 50/60 Hz
• Operating Temperature: ‑20 °C ~ +70 °C
• Storage Temperature: ‑40 °C ~ +70 °C
• Response Time: Fast power‑path switching <15 ms
• Protection Class: IP20 (cabinet‑mount only)
• Accuracy Class: Industrial power distribution grade
• Output Frequency: Not applicable
• Rated Current: Multi‑path rated for EX2100e excitation system full‑load demand
• On‑board Switches: 5 bridge switches, 6 function configuration switches
• Isolation Rating: 1500 V input‑to‑output; 1000 V output‑to‑chassis
• Communication: HSSL high‑speed serial link to DSPX exciter controller board
• Output Power: 125 V DC for thyristor control hardware; 24 V DC for local I/O modules
• Humidity: 5‑95 % RH, non‑condensing
• Weight: 1.27 kg
• Dimensions: 381 × 184 × 38 mm

Product Overview

The IS200EDISG1AAA (EDIS) is a critical exciter power distribution circuit board for GE Speedtronic Mark VIe and EX2100e generator excitation control systems. It acts as the central power interface between external station AC/DC power sources and internal exciter control hardware.

This board performs multi‑source power selection, rectification, filtering and regulated power distribution for DSPX, EBRG and other exciter sub‑modules. Configurable on‑board switches support power‑bridge setup and system‑level hardware configuration. It monitors power‑path health and forwards status data over the HSSL serial link to the main exciter controller. Designed for turbine‑generator environments, it provides stable power routing for static excitation cabinets. Static‑sensitive printed circuit board built for rack‑mount installation inside control cabinet.

Application Notes

• Exclusively for GE EX2100e excitation system integrated with Mark VIe turbine control platform.
• Requires matching DSPX controller board for HSSL serial communication.
• ESD‑sensitive component; use anti‑static wrist straps during handling and replacement.
• Install within climate‑controlled industrial cabinet; avoid dust, moisture and corrosive gas exposure.
• Not hot‑swap capable under full excitation operating conditions; isolate power before servicing.
• Verify hardware compatibility and follow GE GEI‑100777 reference manual during commissioning.
• Typical deployment: combined‑cycle power plants, thermal power stations, gas‑turbine generator sets for generator excitation cabinet retrofit and spare‑part maintenance.