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IS220PTURH1A

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General Electric IS220PTURH1A is a Mark VIe turbine-specific primary trip I/O module that acquires turbine speed, protection, synchronization, shaft, and flame-monitoring signals.
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Technical specifications for IS220PTURH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS220PTURH1A
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    Mark VIe turbine-specific primary trip I/O module
  • Stock:
    1
  • Power Input:
    28 VDC, 0.41 A
  • I/O Networks:
    One or two 100BaseTX Ethernet connections
  • Network Connectors:
    Two RJ45 ports
  • Terminal Connection:
    DC-62 connector to the turbine terminal board
  • Speed Inputs:
    Four passive magnetic speed-pickup channels
  • Speed Range:
    2 to 20,000 Hz
  • Turning-Gear Measurement:
    Down to 2 RPM with a 60-tooth wheel
  • Voltage Monitoring:
    Bus and generator voltage through a compatible TTUR board
  • Shaft Monitoring:
    Shaft voltage and current acquisition
  • Flame Inputs:
    Eight flame-detector channels through TTUR
  • Emergency-Trip Input:
    18 to 140 VDC
  • Emergency-Trip Output:
    28 VDC open circuit; 17 mA short circuit
  • Contact Output:
    28 VDC, 7 A
  • Trip Architecture:
    Simplex or TMR according to terminal-board arrangement
  • TMR Voting:
    R, S, and T speed and trip inputs are voted
  • Overspeed Algorithms:
    PR_Single and PR_Max with response of 30 ms or less
  • Configuration Software:
    ToolboxST application
  • Tariff Code:
    8538900000
  • 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 Trip Response Generator Sync Diagnostics Applications

Features:

  • Electronic identification checks the installed turbine terminal board before normal operation begins.
  • Auto-Reconfiguration can restore the approved pack configuration after a service replacement.
  • Front indicators separate pack health from the activity of the two I/O Ethernet paths.
Electronic ID information prevents an incompatible terminal combination from silently entering service. A mismatch remains visible to maintenance personnel instead of being treated as valid turbine data.

Network and pack diagnostics distinguish a lost Ethernet path from a local hardware or terminal-interface problem. That separation helps technicians narrow the fault before disturbing field wiring.

Replacement work can use the controller's stored configuration when Auto-Reconfiguration is enabled, reducing the manual recovery steps required after installing an approved spare.

Request current sourcing and quotation support from Apter Power for the General Electric IS220PTURH1A Mark VIe turbine-specific primary trip I/O module.
General Electric IS220PTURH1A Mark VIe turbine-specific primary trip I/O module Manuals, Datasheets, LinksImportant 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.

How PTUR handles protective speed decisions

  • Signal conditioning: Each magnetic-pickup waveform is converted into speed information before it reaches the controller frame.
  • Primary paths: Dedicated protection channels preserve independent overspeed decisions instead of relying only on normal control logic.
  • Low-speed observation: Turning-gear behavior remains visible below the normal turbine operating range.
  • Fast algorithms: PR_Single and PR_Max use direct pack processing when an emergency response cannot wait for slower sequencing.
  • Voted action: A three-pack arrangement lets the controller reconcile separate R, S, and T protection paths before issuing a trip.

Breaker-closing information handled by PTUR

  • Voltage comparison: Compatible TTUR hardware supplies both bus and generator measurements for synchronization logic.
  • Phase tracking: The control system evaluates angular difference rather than closing the breaker from voltage magnitude alone.
  • Slip prediction: Relative frequency is used to predict when the two rotating references will coincide.
  • Closure timing: Breaker operating delay is considered so the contacts meet near the intended zero-angle point.
  • Monitor mode: Synchronizing behavior can be observed without issuing the final breaker command during commissioning checks.

Finding faults without disturbing turbine wiring

  • Pack health: The attention indicator directs technicians to internal or configuration diagnostics rather than a network-only problem.
  • Network isolation: Separate link and transmit indications show whether either Ethernet path is carrying controller traffic.
  • Terminal identity: An electronic-ID mismatch flags unsuitable terminal hardware before its signals are accepted.
  • ToolboxST detail: Device and channel diagnostics separate a sensor issue from a board, pack, or communication alarm.
  • Replacement recovery: Auto-Reconfiguration can reload an approved setup when a compatible spare takes the failed pack's place.

Protected turbine and generator functions

  • Gas turbines: A TRPG trip-board arrangement applies PTUR speed protection to gas-turbine emergency shutdown paths.
  • Steam turbines: TRPS hardware supports the trip architecture used on small and medium steam-turbine units.
  • Large steam units: TRPL arrangements extend the primary trip function to large steam-turbine installations.
  • Generator synchronization: A TTUR-based configuration contributes voltage, phase, slip, and breaker-command information for automatic synchronization.
Description
Serving as the primary trip I/O interface for Mark VIe turbine protection, the General Electric IS220PTURH1A links speed, synchronization, shaft, flame, and emergency-trip signals to one or two I/O Ethernet networks.

Used with a compatible TTUR terminal board, IS220PTURH1A handles four passive magnetic speed pickups, bus and generator voltage, shaft voltage and current, eight flame-detector inputs, and the main-breaker command required for automatic synchronization. The wide speed range also supports turning-gear measurement when the pickup and toothed wheel are correctly arranged.

Trip-focused TMR installations use three IS220PTURH1A packs with a direct TRPA terminal arrangement so the R, S, and T speed and emergency-trip inputs can be voted. That arrangement intentionally does not carry the TTUR functions for bus or generator voltage, shaft monitoring, flame detection, or the main-breaker output, making terminal-board identification a required replacement check.

Commissioning IS220PTURH1A in ToolboxST should follow inspection of the DC-62 terminal connection, Ethernet assignment, dc power, field-signal polarity, and front indicators. Fast overspeed algorithms support rapid trip decisions, while channel and network diagnostics help distinguish a pickup, wiring, terminal-board, or I/O-pack fault.
Revisions

Revision Part #

Also known as

IS220PTURH1B
IS220PTURH1-B, Series B, Rev B
IS220PTURH1A
IS220PTURH1-A, Series A, Rev A
Alternative Names
GE IS220PTURH1A IS220PTURH1A PTUR Mark VIe PTUR pack IS220PTURH1-A IS220PTURH1A trip I/O pack PTURH1A turbine I/O GE Mark VIe primary trip module IS220 PTUR H1A
Technical notes
When General Electric IS220PTURH1A connects directly to TRPA in TMR service, bus/generator voltage, shaft, and flame inputs are unavailable.
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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 General Electric IS220PTURH1A be installed without confirming the terminal-board type?
No. General Electric IS220PTURH1A exposes different functions with TTUR and direct TRPA arrangements, so identify the terminal board and redundancy design before wiring or replacement.
Why can General Electric IS220PTURH1A show zero speed even when the shaft is moving?
For General Electric IS220PTURH1A, inspect the passive magnetic pickup gap, polarity, terminal continuity, signal frequency, and channel diagnostics before suspecting the I/O pack.
How is General Electric IS220PTURH1A used in a TMR trip circuit?
Three General Electric IS220PTURH1A packs connect to the TMR terminal arrangement so the controller can vote the R, S, and T speed and emergency-trip inputs.
Can General Electric IS220PTURH1A support generator synchronization?
Yes, when General Electric IS220PTURH1A is paired with the compatible TTUR arrangement that provides bus voltage, generator voltage, and the main breaker command path.
Which terminal boards are relevant when replacing General Electric IS220PTURH1A?
General Electric IS220PTURH1A is paired with TTURH1C and direct TRPAH1A arrangements; confirm the installed board revision and required signals before ordering.
What should be inspected before reusing General Electric IS220PTURH1A?
Before reusing General Electric IS220PTURH1A, check both RJ45 ports, the DC-62 connector, power plug, enclosure, LEDs, and ToolboxST diagnostic history for damage or persistent faults.
How can the functional revision of General Electric IS220PTURH1A be confirmed?
Read the complete General Electric IS220PTURH1A nameplate and compare its final revision letter with the controller documentation and terminal-board compatibility records.