GE Mark VI IS200ESELH1AAA Exciter Selector Board

Description

The IS200ESELH1AAA is an Exciter Selector Board developed by GE for use in the Mark VI EX2100 excitation control system. Installed within a control rack, it acts as a vital interface between the Master I/O (EMIO) and Exciter Gate Pulse Amplifier (EGPA) boards. 

Electrical Characteristics

• Keyphasor input voltage: 0.5 – 20 V DC

• Number of keyphasor probes: 2

• Pyrometer current input range: 4 – 20 mA

• Maximum lead resistance: 15 ohms

• Gate pulse inputs: 6 logic-level signals from EMIO

• Gate pulse outputs: 6 signal channels to EGPA boards

Signal Processing & Communication

• Receives 6 logic-level gate pulses from the EMIO board

• Conditions signals for accurate formatting and timing

• Distributes the processed pulses to six EGPA boards

• Maintains high signal integrity throughout transmission

• Facilitates consistent control signal propagation across the excitation system

Mechanical Properties

• Width: approx. 3.8 cm

• Height: approx. 26.7 cm

• Depth: approx. 24.1 cm

• Weight: approx. 0.9 kg

• Mounting: rack-mounted within the Mark VI control cabinet

• Structure: open-frame printed circuit board (PCB)