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IS230STURH2A

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General Electric IS230STURH2A is a Mark VIe primary turbine protection module combining one PTUR I/O pack with an IS200STURH1A simplex terminal board.
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Technical specifications for IS230STURH2A

  • Manufacturer:
    General Electric
  • Part Number:
    IS230STURH2A
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    Mark VIe Primary Turbine Protection Module
  • Stock:
    1
  • I/O Pack:
    One PTUR pack
  • Terminal Board:
    IS200STURH1A
  • Redundancy:
    Simplex
  • Speed Inputs:
    4 passive or active pickups
  • Pulse Rate Range:
    2 Hz to 20 kHz
  • Speed Accuracy:
    0.05% of reading
  • Trip Outputs:
    2 primary trip relays
  • Trip Relays:
    K1 and K2, forcibly guided contacts
  • H1 Application:
    Mechanical-drive turbine overspeed protection
  • Synchronizing Hardware:
    Not included in H1 terminal-board group
  • Emergency Stop Circuit:
    Not provided on STUR
  • Operating Temperature:
    -30 to +65 °C
  • Humidity:
    5–90% non-condensing
  • Cooling:
    Free-air convection
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Speed Input Paths Trip Relay Logic Feedback & Diagnostics Applications

Features:

  • Four speed paths accept either passive pickups or active sensors.
  • K1 and K2 use forcibly guided contacts for primary trip outputs.
  • One PTUR pack mounts directly on the simplex terminal assembly.
IS230STURH2A assigns different terminal pairs to passive magnetic pickups and active pulse sources.

Trip-contact position and solenoid-voltage returns allow the PTUR pack to supervise both relay paths.

The IS200STURH1A group is bounded to mechanical-drive operation because synchronizing circuits are omitted.

The General Electric IS230STURH2A Mark VIe Primary Turbine Protection Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS230STURH2A Mark VIe Primary Turbine Protection Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Sensor Connections

  • Passive inputs: Pickups land between PR#_H and PR#_L.
  • Active inputs: Pulse sources use TTL# and PR#_L.
  • Circuit count: Four independent speed paths are available.
  • Frequency span: Measurement covers 2 Hz to 20 kHz.

Primary Trip Outputs

  • Relay pair: K1 and K2 form the two trip outputs.
  • Contact design: Both safety relays use forcibly guided contacts.
  • Output count: The H1 group provides two primary trip paths.
  • Parallel terminals: Selected points support redundant contact wiring.

Protection Supervision

  • Contact return: Relay position is fed back to PTUR.
  • Voltage return: Solenoid voltage is monitored for both channels.
  • Speed testing: Input tests require an external test signal.
  • Compatibility: Terminal ID mismatch produces a hardware fault.

Documented Use

  • Drive type: H1 hardware supports mechanical-drive turbines.
  • Protection task: The module handles primary overspeed inputs and trips.
  • Pulse use: Four pulse-input circuits can serve non-synchronizing arrangements.
  • Functional boundary: H1 provides neither primary synchronization nor emergency stop.
Description
General Electric IS230STURH2A is a simplex Mark VIe primary turbine protection module that combines one PTUR I/O pack with an IS200STURH1A terminal board. The assembly accepts turbine-speed signals and operates two on-board primary trip relays for a mechanical-drive configuration.

Four pulse-rate circuits on IS230STURH2A accept either passive magnetic pickups or active sensors. Passive signals land on PR#_H and PR#_L, while active inputs use TTL# and PR#_L, allowing the same terminal assembly to handle the two documented sensor types.

The speed measurement path in IS230STURH2A covers 2 Hz to 20 kHz with 0.05% accuracy of reading. Input sensitivity varies with frequency, and the passive-pickup circuit can observe the low-speed signals associated with turning-gear operation.

Two forcibly guided relays, K1 and K2, provide the trip outputs of IS230STURH2A. Contact-position and solenoid-voltage feedback return to the PTUR pack, while electronic identification checks the connected terminal board and reports an incompatibility when the hardware does not match.
Alternative Names
GE IS230STURH2A General Electric IS230STURH2A IS230-STUR-H2A IS230 STUR H2A STUR H2A Primary Turbine Protection Module GE STUR H2A Assembly Mark VIe PTUR Module IS230STUR H2A
Technical notes
IS230STURH2A is the one-PTUR, IS200STURH1A simplex assembly; its H1 terminal group includes trip relays but omits synchronizing hardware.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can an active speed sensor be connected to the same IS230STURH2A terminals used for a passive magnetic pickup?
No. Active sensors use TTL# and PR#_L, while passive pickups connect between PR#_H and PR#_L on IS230STURH2A.
The turbine is on turning gear and IS230STURH2A reports no speed. What input capability is relevant?
The passive-pickup path of IS230STURH2A is designed to observe low-speed signals, with sensitivity that supports typical turning-gear operation.
Does IS230STURH2A include generator synchronizing voltage inputs and K25/K25P relays?
No. The IS200STURH1A terminal group in IS230STURH2A omits synchronizing hardware and is assigned to mechanical-drive operation.
A trip command is present but relay position disagrees on IS230STURH2A. What feedback reaches PTUR?
IS230STURH2A returns K1/K2 contact-position feedback and associated solenoid-voltage feedback to the PTUR pack.
Can the STUR terminal board supply an emergency-stop circuit for IS230STURH2A?
No. The STUR hardware used by IS230STURH2A contains no emergency-stop circuit provision.
What hardware mismatch can generate a compatibility fault after an IS230STURH2A replacement?
PTUR reads the terminal-board ID device; a board type, revision, serial, or plug-location mismatch can create the incompatibility fault.

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