Description

GE IS200VPROH2B Turbine Protection Termination Board

The GE IS200VPROH2B, also cataloged as the IS200VPRO Turbine Protection Termination Board, operates as a dedicated hardware component for protection signal termination and relay output execution within GE Mark VI Speedtronic turbine control platforms. The board processes trip commands, protective relay contacts, and fault inputs for turbine protection logic circuits.

Hardware Specifications

Parameter	Specification
Model	IS200VPROH2B
Brand	GE
Origin	United States
Series	Mark VI Speedtronic
Module Type	Turbine Protection Termination Board
Input Signals	Trip commands, protective relay contacts, fault inputs
Output Signals	Relay actuation signals, trip outputs
Relay Type	Electromechanical relays, 24 VDC coil
Contact Rating	2 A at 30 VDC; 0.5 A at 125 VDC
Isolation	Galvanic isolation between trip circuits and control logic
Connectors	Screw terminals for field wiring; ribbon connectors to control rack
Protection Functions	Surge suppression, contact arc suppression
MPU Pulse Rate Range	2 Hz to 20 kHz
Frame Rate	Up to 100 Hz
Input Filter	Hardware filter, 4 ms
Mounting	Panel mount or DIN-rail mount
Weight	0.65 kg
Dimensions	200 mm x 150 mm x 35 mm
Operating Temp	0 to +60 deg C
Humidity	Up to 95% RH non-condensing
Power Consumption	Not specified

Industrial Control Protection Logic and I/O Interface

The IS200VPROH2B operates as a protection interface assembly in the GE Mark VI Speedtronic architecture. The board receives external protective signals, provides electrical separation through galvanic isolation, and transfers trip-related information to the turbine control system.

The module supports industrial control protection logic execution through dedicated relay interfaces and digital signal paths. Its I/O structure allows protection circuits to be separated from controller electronics, reducing interference between field wiring and internal control processing.

The board architecture supports deterministic turbine protection signal handling, with hardware filtering applied to input circuits for noise reduction. Relay output circuits include contact arc suppression and surge protection for connected protection devices.

Frequently Asked Questions

Q: What protection signals are handled by the IS200VPROH2B?
A: The board processes turbine trip commands, protective relay contacts, fault inputs, and provides relay actuation outputs to the associated protection circuits.

Q: Does the IS200VPROH2B provide electrical isolation between field protection circuits and control logic?
A: Yes. The board provides galvanic isolation between trip circuits and Mark VI control logic interfaces.

Q: What type of relay outputs are used on the IS200VPROH2B?
A: The module uses electromechanical relay interfaces with 24 VDC coils and specified contact ratings for protection signal switching.

Field Installation Guidelines

Install the IS200VPROH2B according to GE Mark VI cabinet wiring documentation and verify terminal assignments before connecting trip and protection circuits.

Separate protection signal wiring from high-current power conductors to reduce electromagnetic interference. Use appropriate shield grounding methods for signal cables where required by the control cabinet design.

Check screw terminal tightness, ribbon connector engagement, and relay circuit wiring polarity during installation. Confirm insulation condition and verify that external protection circuits are correctly isolated before commissioning.

Specifications

• Brand: General Electric

Advantages

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