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GE IS200EAUXH1AAA Auxiliary I/O Terminal Board

The GE IS200EAUXH1AAA, also cataloged as the IS200EAUXH1AAA Auxiliary I/O Terminal Board, operates as a dedicated hardware component for auxiliary discrete signal interfacing within the GE Mark VI Speedtronic control system. The board manages field input signals, relay driver outputs, and diagnostic feedback paths between external devices and controller assemblies.

Hardware Specifications

Parameter	Specification
Model	IS200EAUXH1AAA
Brand	GE
Origin	United States
Weight	0.5 kg
Operating Temp	-30 to 65 deg C
Product Type	Auxiliary I/O Terminal Boards
Series	Mark VI Speedtronic Control System
Functional Type	Auxiliary I/O Terminal Board
Inputs	Multiple isolated discrete inputs for dry contact or voltage sensing
Outputs	Relay driver outputs for trip solenoids, alarms, and auxiliary relays
Isolation	Optical/electrical isolation between channels and ground
Signal Conditioning	Surge suppression, EMI filtering, and fault detection
Diagnostics	Built-in self-test and channel health monitoring
Connectors	Barrier terminal strips for field wiring and backplane connectors
Mounting	Standard Mark VI rack slot
Humidity Tolerance	5%-95% non-condensing
Storage Temperature	-40 to 85 deg C

Industrial Control I/O Interface Characteristics

The IS200EAUXH1AAA provides auxiliary discrete I/O expansion within GE Mark VI turbine control architectures. The terminal board interfaces field switches, sensors, trip relays, and auxiliary devices through isolated input channels and relay driver outputs.

The board follows GE industrial control platform requirements with I/O density scaling support, backplane bus communication compatibility, and firmware flash compatibility within supported Mark VI controller configurations. Signal conditioning functions including EMI filtering and surge suppression reduce interference effects on discrete control signals.

Optical/electrical isolation separates field circuits from controller-side electronics, supporting defined signal boundaries during turbine monitoring and protection operations.

Frequently Asked Questions

Q: What types of signals can the IS200EAUXH1AAA interface?
A: The board interfaces auxiliary discrete input signals and relay driver outputs connected to field devices such as switches, sensors, trip relays, alarms, and solenoids.

Q: Does the EAUX terminal board provide channel isolation?
A: Yes. The board provides optical/electrical isolation between signal channels and ground.

Q: What diagnostic functions are available on this terminal board?
A: The IS200EAUXH1AAA includes built-in self-test functions and channel health monitoring for I/O status verification.

Field Installation Guidelines

Install the IS200EAUXH1AAA in the assigned GE Mark VI rack slot and confirm correct mechanical seating before connecting field wiring.

Route discrete signal cables separately from high-voltage conductors to reduce electromagnetic interference. Apply shielding and grounding practices according to the cabinet wiring design and industrial control standards.

Verify input signal types, relay output connections, and terminal assignments before system energization. Confirm diagnostic feedback and controller communication status after installation.

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