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GE IS200DRLYH1BBB Relay Output Module

The GE IS200DRLYH1BBB, also cataloged as the IS200DRLYH1BBB Relay Output Module, operates as a dedicated hardware component for isolated discrete load switching within GE Mark VI turbine control platforms. The module provides 16 relay outputs with optical isolation for interfacing controller logic signals with external field devices.

Hardware Specifications

Parameter	Specification
Model	IS200DRLYH1BBB
Brand	GE
Origin	USA
Weight	0.85 kg
Dimensions	135 x 90 x 60 mm
Operating Temp	-30 to +65 deg C typical
Power Consumption	Not specified
Product Type	Relay Output Module
Series	GE Mark VI turbine control system
Output Channels	16 independent relay outputs
Output Logic	Positive logic (sourcing)
Isolation	Optical isolation per channel
Load Voltage	12 VDC and 24 VDC
Load Current	Maximum 2 A per channel
Protection	Short-circuit detection and fault monitoring
Mounting Type	Rack-mounted

Firmware Flash Compatibility and Discrete Output Processing

The IS200DRLYH1BBB operates as a GE Mark VI digital output interface module, converting controller output commands into isolated relay switching signals. The optical isolation design separates control-side logic circuits from field-side load circuits, supporting defined switching behavior for connected devices.

The module supports industrial control I/O density scaling through 16 independent relay channels. Integrated fault detection functions monitor output conditions and provide diagnostic feedback to the Mark VI control architecture for system-level status evaluation.

Frequently Asked Questions

Q: How many relay output channels are available on the IS200DRLYH1BBB?
A: The module provides 16 independent relay output channels with optical isolation for each channel.

Q: What load voltage range is supported by the relay outputs?
A: The relay outputs support 12 VDC and 24 VDC load circuits.

Q: What protection functions are integrated into this module?
A: The module includes short-circuit detection and fault monitoring functions for relay output condition monitoring.

Field Installation Guidelines

Install the IS200DRLYH1BBB in the designated GE Mark VI rack position and verify connector engagement before applying system power. Confirm that field wiring matches the assigned relay output channels and load requirements.

Separate relay output wiring from sensitive analog signal cables and communication lines where possible to reduce electrical interference. Maintain proper cabinet grounding and verify optical isolation boundaries during wiring inspection.

Before returning the control system to operation, perform output channel verification, check diagnostic status, and confirm correct response of connected field devices.

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