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General Electric DS200TCTSG1A Medium-steam-turbine trip relay board product views

General Electric DS200TCTSG1A Medium-steam-turbine trip relay board

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Mark V

DS200TCTSG1A — Medium-steam-turbine trip relay board

DS200TCTSG1A controls steam-turbine trip devices. Its primary and emergency paths use relay voting.

General ElectricMark VElectrical trip-device circuitsPrimary and emergency trip circuits

Sales managerTiffany Guan

Mobile / WhatsApp+86 18030235313

Emailsales2@mooreplc.com

DS200TCTSG1A product profile

ManufacturerGeneral Electric

Exact modelDS200TCTSG1A

Product typeMedium-steam-turbine trip relay board

Product familyMark V

Primary roleSteam-turbine trip control

Interface contextPrimary/emergency circuits

Brand:
General Electric
Item NO.:
DS200TCTSG1A

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Sales managerTiffany Guan

WhatsApp+86 18030235313

Emailsales2@mooreplc.com

Medium-steam-turbine trip relay board configuration

DS200TCTSG1A is associated with the medium-steam-turbine master-trip arrangement. Primary and emergency relay groups serve electrical trip-device circuits, while permitted testing depends on the installed hydraulic arrangement and the turbine-specific control sequence.

Primary-trip actionCarries the applicable primary relay voting into the electrical trip-device circuit.

Emergency-trip actionKeeps the emergency relay path distinct from the primary protection path.

Test accommodationProvides the relay arrangement used by approved protection tests.

Plant integrationMatches electrical trip action to the actual steam-turbine hydraulic and valve arrangement.

Engineering selection points

The two electrical trip-device paths must be identified separately in the installed circuit drawings.
Primary and emergency relay groups have different control origins and must not be treated as one undifferentiated trip signal.
Online test capability depends on the complete installed hardware and approved control sequence, not the board identity alone.

Official product data

DS200TCTSG1A key specifications

Control-system application	Mark V medium-steam-turbine trip arrangement
Trip-device circuits	Two electrical trip-device paths: ETD1 and ETD2
Trip voting	Two-out-of-three primary or emergency relay action
Trip response	De-energization of the applicable electrical trip-device solenoid
Primary test bypass	Separate primary bypass relay groups
Emergency test bypass	Separate emergency bypass relay groups
Functional-test scope	Turbine-specific control sequence and installed hydraulic hardware

Trip-device action, relay grouping and permitted tests must agree with the turbine-specific electrical and hydraulic arrangement.

Pre-order check 01

Installation environment

Check the mounting, connection and operating conditions for this exact configuration before installation.

Place the turbine and trip circuits in the approved maintenance state before board or relay work.
Identify the primary and emergency wiring separately and preserve the installed connection record.
Inspect relay retention, connectors and assembly identity using suitable electrostatic-discharge controls.
Perform the approved trip-system acceptance checks before restoring the protected equipment to service.

Record the installed arrangement and the final controlled checks in the commissioning file.

Pre-order check 02

Compatibility confirmation

Match the complete item to its field interface, mechanical arrangement and configured system.

Exact assembly: Retain DS200TCTSG1A and compare the physical revision with the installed controlled record.
Turbine duty: Confirm the medium-steam-turbine trip arrangement in the plant circuit drawings.
Trip devices: Match both electrical trip-device paths and their actual hydraulic functions.
Relay logic: Keep primary, emergency and bypass circuits assigned to their intended roles.
Test authorization: Use only the tests permitted by the turbine-specific control sequence and installed lockout hardware.

Trip-system testing and return to service require the approved unit-specific procedure; do not infer online test permission from the board number alone.

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