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GE IS200AEPAH1BRJ Analog Expansion Power Amplifier Board

The GE IS200AEPAH1BRJ, also cataloged as the IS200AEPAH1BRJ Analog Expansion Power Amplifier Board, operates as a dedicated hardware component for amplified analog actuator signal execution within GE Mark VIe Speedtronic control system platforms.

Hardware Specifications

Parameter	Specification
Model	IS200AEPAH1BRJ
Brand	GE
Origin	United States
Weight	0.8 kg
Dimensions	263 mm x 58 mm x 28 mm
Operating Temp	0 deg C to +60 deg C
Power Consumption	Not specified
Board Type	Analog Expansion Power Amplifier (AEPA) Board
System Compatibility	GE Mark VIe Speedtronic Control System
Output Channels	Single or dual-channel high-power analog output
Output Signal Types	+/-50 mA or 4-20 mA amplified output, +/-10 VDC or 0-10 VDC
Load Capability	Direct drive of proportional valves and actuators
Isolation Rating	1500 Vrms channel-to-backplane isolation
Power Supply	Backplane powered via Mark VIe rack
Communication Interface	VMEbus or PDH network
Connectors	Front-panel industrial field wiring connectors
Protection Components	6 Metal Oxide Varistors (MOVs)
Relay Quantity	12 onboard relays
Plug Connectors	19 connectors for power distribution and I/O
Redundancy Support	Simplex and Triple Modular Redundancy (TMR) configurations

Firmware Flash Compatibility and I/O Density Scaling

The IS200AEPAH1BRJ integrates analog power amplification circuits for converting controller-level analog commands into higher-current outputs suitable for proportional valves and actuator control loops. The module supports I/O density scaling within the Mark VIe architecture by providing amplified analog channels in a rack-based control configuration.

The board uses isolated output circuitry with channel-to-backplane isolation to reduce ground loop effects and electrical interference during field device operation. Surge protection components including MOV devices provide voltage transient protection for connected field circuits.

The module supports simplex and TMR system configurations. Firmware and hardware revision compatibility should be verified when integrating the board into existing Mark VIe control racks.

Frequently Asked Questions (FAQ)

Q: What type of field devices can the IS200AEPAH1BRJ drive?
A: The board provides amplified analog outputs designed for proportional valves, servo valves, and other actuator devices requiring higher current drive capability.

Q: How is electrical isolation implemented on the IS200AEPAH1BRJ?
A: The module provides 1500 Vrms channel-to-backplane isolation to separate field output circuits from the control backplane.

Q: Can the IS200AEPAH1BRJ be replaced during system operation?
A: Hot-swap capability is supported in compatible redundant Mark VIe system configurations. Replacement procedures must follow GE rack installation requirements.

Field Installation Guidelines

Install the IS200AEPAH1BRJ in the designated GE Mark VIe rack position and verify the backplane connection before applying power.

Confirm field wiring polarity and signal type before connecting proportional valves or actuator circuits. Use shielded cables for analog output wiring and connect shields according to cabinet grounding practices.

Route analog actuator cables separately from high-current switching conductors to minimize electromagnetic interference. Verify connector seating, rack configuration, and channel assignments before system startup.

For redundant configurations, confirm module addressing, hardware revision compatibility, and system diagnostics after installation. Check output channel status through the Mark VIe control interface before returning actuator loops to normal operation.

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