GE IS200TREGH1BDB Mark VI Series Turbine Emergency Trip Terminal Board

FAQ

Q1: What is the primary function of the IS200TREGH1BDB module?
A1: The IS200TREGH1BDB provides terminal connections and DC power distribution for up to three emergency trip solenoids.

Q2: Which system is this module compatible with?
A2: This module is part of the GE Mark VI control system, used in turbine control and safety shutdown applications.

Q3: How does the TREG board work with the TRPG board?
A3: The TREG board supplies positive DC power, while the TRPG board supplies the negative side to complete the solenoid power circuit.

Q4: How many trip solenoids can be supported by this module?
A4: The module supports a maximum of three trip solenoids connected between the TREG and TRPG terminal boards.

Q5: How does the controller test trip solenoid functionality?
A5: The controller performs online tests using PTR relays or protection module-controlled ETR relays, verifying operation via contact inputs.

Q6: How does the relay voting mechanism operate?
A6: Nine of the twelve relays are grouped into three sets of three, forming a triple-redundant voting logic to ensure reliable solenoid activation.

Q7: Does the module support offline overspeed tests?
A7: Yes, the system can simulate overspeed conditions via software to validate trip responses under emergency scenarios.

Q8: What are the dimensions and weight of the module?
A8: The module measures 178 x 330.2 x 43 mm and weighs 0.907 kg.