Description

GE IS200VTURH2BAB Turbine Protection Circuit Board

The GE IS200VTURH2BAB, also cataloged as the IS200VTURH2B Turbine Protection Circuit Board, operates as a dedicated hardware component for overspeed trip execution, speed signal processing, and shaft electrical monitoring within GE Mark VI Speedtronic turbine control platforms.

Hardware Specifications

Parameter	Specification
Model	IS200VTURH2BAB
Brand	GE
Origin	United States of America
Weight	0.23 kg
Dimensions	12 cm x 6 cm x 3.5 cm
Operating Temp	0 to +60 deg C
Power Consumption	Not specified
Product Type	Turbine Protection Circuit Boards
Series	GE Mark VI
Functional Acronym	VTUR
Model Type	Turbine Protection Circuit Board
Power Supply	125 VDC
MPU Pulse Rate Range	2 Hz to 20 kHz
MPU Pulse Rate Accuracy	+/-0.05% of reading
MPU Input Circuit Sensitivity	27 mV peak
Trip Solenoid Control	3 primary overspeed trip solenoids
Speed Inputs	4 passive pulse rate device interfaces
Application Specific I/Os	Shaft voltage/current monitoring, trip system, synchronizing, speed rate inputs
Communication Port	1 x J5
Isolation Rating	2500 Vrms
Compatible Boards	TTUR, TRPG, TRPS, TRPL, DRLY, DTRT, DTUR

Deterministic Mark VI Turbine Protection Processing

The IS200VTURH2BAB provides turbine-specific protection functions through GE Mark VI control architecture. The board processes MPU pulse signals, controls overspeed trip solenoids, and manages synchronization-related signals through dedicated hardware interfaces.

The VTUR board uses deterministic signal processing for turbine speed monitoring with MPU pulse inputs ranging from 2 Hz to 20 kHz. The module integrates with Mark VI protection boards through the turbine control backplane, supporting coordinated operation with TTUR, TRPG, TRPS, TRPL, DRLY, DTRT, and DTUR modules.

The hardware configuration supports industrial control signal management through dedicated I/O channels for shaft voltage and current monitoring. Firmware flash compatibility and controller configuration matching are required for proper Mark VI system initialization.

Frequently Asked Questions

Q: What type of speed input signals are supported by the IS200VTURH2BAB?
A: The board processes MPU pulse rate signals from 2 Hz to 20 kHz with an input circuit sensitivity of 27 mV peak.

Q: How many overspeed trip solenoids can the VTUR board control?
A: The board controls three primary overspeed trip solenoids for turbine protection functions.

Q: Which Mark VI boards interface with the IS200VTURH2BAB?
A: The board is designed for integration with TTUR, TRPG, TRPS, TRPL, DRLY, DTRT, and DTUR modules.

Field Installation Guidelines

Install the IS200VTURH2BAB in the designated GE Mark VI rack location and verify connector engagement before applying power.

Confirm the 125 VDC supply wiring polarity and grounding connections according to the cabinet wiring documentation. Route MPU pulse signal cables separately from high-current power conductors to reduce electrical interference.

Maintain shielding continuity for speed sensor and shaft monitoring wiring. Verify terminal connections for trip solenoid circuits and synchronizing signals before system startup.

Check environmental conditions against the specified operating temperature range. Confirm board compatibility with the installed Mark VI hardware configuration and firmware before initialization.

Specifications

• Brand: General Electric

Advantages

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