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GE IS200VTURH1BAB Primary Turbine Protection Board

Configured for turbine overspeed monitoring and emergency trip execution in GE Mark VI Speedtronic systems, the GE IS200VTURH1BAB (IS200VTUR Primary Turbine Protection Board) provides direct physical/electrical execution for speed signal acquisition, flame detector monitoring, and trip relay control functions. The board processes magnetic pickup inputs, voltage monitoring channels, and protection signals for turbine shutdown logic.

Hardware Specifications

Parameter	Specification
Model	IS200VTURH1BAB
Brand	GE
Origin	United States
Weight	0.5 kg
Dimensions	11 x 9 x 3 inches
Operating Temp	0 deg C to +60 deg C
Power Consumption	125 VDC operational input
Product Type	Primary Turbine Protection Boards
System Platform	GE Mark VI Speedtronic Turbine Control System
Analog Inputs	6 voltage monitoring channels
Speed Inputs	4 passive magnetic pickup inputs
Frequency Range	2 Hz to 20 kHz
Minimum Speed Detection	2 RPM turning gear measurement
Flame Detector Inputs	8 Geiger-Mueller inputs
Trip Relay Outputs	3 primary overspeed trip relays
Signal Resolution	16-bit precision measurement
Response Time	Less than 50 ms for trip initiation
Common Mode Range	+/-5 V signal tolerance
Redundancy Support	Simplex and TMR configurations

Profinet / EtherNet-IP Deterministic Networks and Protection Signal Handling

The GE IS200VTURH1BAB performs turbine protection signal processing through dedicated hardware channels within the Mark VI Speedtronic architecture. The board receives speed feedback from passive magnetic pickups, processes frequency measurement signals, and controls overspeed trip relay outputs based on configured protection logic.

The module supports simplex and triple modular redundancy (TMR) system configurations. In TMR arrangements, protection decisions are coordinated through redundant hardware paths to maintain continuous turbine shutdown monitoring. The board also processes flame detector inputs and shaft voltage/current monitoring signals for protection status evaluation.

Frequently Asked Questions

Q: What type of speed input signals are supported by the IS200VTURH1BAB?
A: The board supports four passive magnetic pickup inputs with a measurable frequency range of 2 Hz to 20 kHz for turbine speed monitoring.

Q: Does the IS200VTURH1BAB support redundant turbine protection architectures?
A: Yes. The board supports both simplex and TMR configurations within the GE Mark VI Speedtronic control system.

Q: What is the function of the trip relay outputs on this board?
A: The three primary overspeed trip relays provide electrical switching outputs for initiating turbine shutdown actions when protection limits are exceeded.

Field Installation Guidelines

Install the IS200VTURH1BAB in the designated GE Mark VI rack location according to the turbine control cabinet hardware arrangement. Verify that terminal boards, field wiring, and rack connections match the configured simplex or TMR architecture before energizing the system.

Route magnetic pickup, flame detector, and analog monitoring cables separately from high-voltage switching conductors to reduce electrical interference. Use appropriate shield termination practices for low-level measurement circuits and connect cable shields according to the cabinet grounding design.

Before operation, verify input channel assignment, relay output wiring, and protection signal polarity. Confirm that all field devices connected to the board provide signals within the specified electrical input range.

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