Description

GE IS200WORBH1A Digital Output Register Board

Configured for deterministic digital output register interfacing in the Mark VI Speedtronic turbine control system, the GE IS200WORBH1A (IS200WORB Digital Output Register Board) provides direct physical/electrical execution for controller output signals, relay interfaces, and field device switching circuits.

Suffix Breakdown & Model Matrix

The IS200WORBH1A identification defines a GE Mark VI Speedtronic control board assembly. The available documentation identifies the complete ordering designation as IS200WORBH1A. No additional suffix segmentation details are specified for separate hardware variants.

Model Element	Description
IS200	GE Mark VI board family identifier
WORB	Write-Only Register Board function designation
H1A	Hardware revision and assembly identifier

Hardware Specifications

Parameter	Specification
Model	IS200WORBH1A
Brand	GE
Origin	USA
Weight	0.6 kg
Dimensions	200 mm x 150 mm x 35 mm
Operating Temp	-30 deg C to +65 deg C
Power Consumption	Not specified
System Platform	Mark VI Speedtronic turbine control system
Product Function	Digital output register interface board
Output Channels	32 digital outputs
Output Type	TTL logic levels with optical isolation
Voltage Range	5 VDC logic, field-driven through external drivers
Response Time	Less than 1 ms typical
Isolation	Channel-to-channel and channel-to-ground isolation
Connectors	Ribbon connectors to controller backplane, screw terminals for field wiring
Protection Features	Overvoltage suppression and short-circuit protection
Mounting Method	Panel or DIN-rail mounting
Humidity Tolerance	Up to 95% non-condensing
Compliance	IEC 61010-1, UL 508, CE industrial standards

GE Mark VI Output Register Interface and Control Logic

The IS200WORBH1A functions as a digital output interface between the Mark VI controller and external field devices. The board receives register-based output commands and transfers switching signals through isolated output channels.

The GE Mark VI platform uses deterministic controller communication paths for output execution. The board design supports firmware-controlled register operations and digital I/O density scaling within the controller rack architecture.

Optically isolated output channels separate controller-side logic circuits from field-side loads. Overvoltage suppression and short-circuit protection circuits are incorporated to reduce electrical stress during relay, solenoid, and contactor operation.

Frequently Asked Questions

Q: What type of output signals does the IS200WORBH1A provide?
A: The board provides 32 digital outputs using TTL logic levels with optical isolation for interfacing external field devices.

Q: Does the IS200WORBH1A support direct high-voltage field loads?
A: No. The board provides logic-level output interfacing. Field devices require external drivers or interface components according to the control system design.

Q: What communication interface connects the board to the Mark VI controller?
A: The board uses ribbon connectors for controller rack interfacing and screw terminals for field wiring connections.

Field Installation Guidelines

Install the IS200WORBH1A according to the Mark VI cabinet hardware arrangement. Verify board orientation, connector alignment, and terminal identification before connecting field wiring.

Route digital output wiring separately from high-voltage power conductors and high-current switching circuits where possible. Use appropriate grounding methods for cable shields and maintain separation between controller communication wiring and field power wiring.

Inspect ribbon connector engagement and terminal screw tightness during installation. Confirm output channel mapping before energizing connected relays, solenoids, or contactor circuits.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems