GE IS230SRLYH2A IS200SRLYH2AAA
GE IS230SRLYH2A IS200SRLYH2AAA
GE IS230SRLYH2A IS200SRLYH2AAA
GE IS230SRLYH2A IS200SRLYH2AAA
GE IS230SRLYH2A IS200SRLYH2AAA
GE IS230SRLYH2A IS200SRLYH2AAA
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IS230SRLYH2A IS200SRLYH2AAA

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IS230SRLYH2A IS200SRLYH2AAA is a GE Mark VIe simplex relay output board with 12 Form-C (SPDT) circuits, supporting 24/48/125 VDC and up to 5A, with isolated contact position feedback
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Technical specifications for IS230SRLYH2A IS200SRLYH2AAA

  • Manufacturer:
    General Electric
  • Part Number:
    IS230SRLYH2A IS200SRLYH2AAA
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Product Type:
    Relay Output Board
  • Stock:
    2
  • Relay Channels:
    12 (Form-C / SPDT)
  • Nominal Voltage Ratings:
    24 VDC / 48 VDC / 125 VDC
  • Max Current per Contact:
    5 A @ 24 VDC, 1.2 A @ 48 VDC, 0.6 A @ 125 VDC
  • Max Response Time:
    25 ms (typical, on/off)
  • Contact Material:
    Silver-cadmium oxide
  • Operating Temp:
    -30°C to +65°C
  • Humidity:
    5% to 95% (non-condensing)
  • Weight:
    0.48 kg
  • Estimated shipping dimensions:
    18.3x15.8x3.3cm
  • Tariff Code:
    8536419090
  • 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 Specifications Application Operating Environment Monitoring & Control

Features:

  • Provides 12 reliable SPDT relay circuits, each monitored by an isolated contact pair to verify actual relay position rather than just the command state
  • Distributes 12 outputs across 48 terminals with a low-profile design for double stacking
  • Features a read-only ID chip for hardware verification. Isolated voltage feedback monitors fuse status when used with WROB/F/G option boards, generating alarms for open fuses
The IS230SRLYH2A IS200SRLYH2AAA is designed with twelve Form-C (SPDT) electromechanical relays, providing a dependable interface for discrete actuators such as solenoids and alarms. A critical advanced feature is the diagnostic capability: each relay is equipped with an isolated set of contacts separate from the load circuit. These feedback contacts allow the PDOA/YDOA I/O pack to actually verify the relay has moved to the commanded position, rather than simply confirming the output command was sent.

The board acts as a flexible platform with no fixed on-board jumpers. Instead, users plug in specific option boards to achieve the desired power distribution and fusing architecture. The WROB option converts the SRLY into a functional equivalent of a TRLY board, distributing fused and sensed power. The WROF option adds a dedicated series fuse to each relay common connection with voltage feedback, while the WROG option distributes power from a single input connector to each relay.

The IS230SRLYH2A IS200SRLYH2AAA incorporates a multi-layered diagnostic strategy. First, the I/O pack reads a dedicated ID chip on the board, which contains the board type, revision, serial number, and plug location. If a mismatch occurs, a hardware incompatibility fault is generated, preventing incorrect operation. Second, when used with WROB/F/G option boards, the system implements isolated voltage feedback to check the status of the board's fuses.

The IS230SRLYH2A IS200SRLYH2AAA GE Relay Output Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

GE IS230SRLYH2A IS200SRLYH2AAA Relay Output Board Manuals, Datasheets,Drivers,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.
GE IS230SRLYH2A IS200SRLYH2AAA Relay Output Board Specs

General

  • Manufacturer GE
  • Model IS230SRLYH2A IS200SRLYH2AAA
  • Condition New Original ready stock
  • Product Family IS200SRTDH2ACB IS230SNRTH2A,IS230TAISH2C IS200TBAIS1CED
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.
  • Turbine Trip Logic & Interlocks: Controls critical Emergency Trip Valves (ETVs) and fuel/gas shutoff valves for gas and steam turbines.
  • Auxiliary Equipment Control: Drives heavy-duty contactors for lube oil pumps, turning gears, ventilation fans, and large motorized valves (MOVs).
  • Plant-Wide Annunciation: Outputs discrete interlock and trip alarm signals directly to master control room annunciator panels or sirens.
  • Safety-Critical Systems (Mark VIeS): Executes single "De-energize to Trip" logic in safety instrumented systems (SIS), including Fire and Gas (F&G) detection and Emergency Shutdown (ESD) loops up to SIL 3 ratings.
  • Ambient Temperature: -30°C to +65°C (-22°F to +149°F) [
  • Precision Execution: Commands from the master controller are synchronized via IEEE 1588 (Precision Time Protocol) and delivered via IONet to trigger the relay coils almost instantly.
  • Flexible Wiring: Features 48 terminal points to support the 12 independent channels. Each relay can be field-wired using either the Normally Open (NO) or Normally Closed (NC) configuration based on application needs.
  • Contact Feedback Monitoring: Internal circuitry directly senses the actual physical position of the relay contacts. If a command is issued to close a relay but the contact remains open, the system immediately flags a "Command-Feedback Mismatch" system alarm.
Description
The IS230SRLYH2A IS200SRLYH2AAA is a Simplex Relay Output terminal board (SRLY) designed for GE’s Mark VIe turbine control systems. It accepts a PDOA or YDOA I/O pack and provides 12 form C (SPDT) relay output circuits distributed across 48 customer terminals, making it essential for controlling solenoids, alarms, and auxiliary relays.

This board features no on-board jumpers; configuration is handled by optional daughterboards (WROB/F/G) and terminal connections. A key diagnostic feature of the IS230SRLYH2A IS200SRLYH2AAA is that each relay uses an isolated contact pair to provide position feedback to the I/O pack. 

Physically, the IS230SRLYH2A IS200SRLYH2AAA has a low-profile design where no components exceed the height of the attached I/O pack, allowing for double-stacking in tight cabinets. It supports surface-mount technology and operates reliably in temperatures ranging from -30°C to 65°C. 

When used with option boards like WROB, the IS230SRLYH2A IS200SRLYH2AAA provides fused and sensed power distribution. The board supports isolated voltage feedback to detect fuse status; a diagnostic alarm is generated if voltage is present but the fuse is open (configurable via ToolboxST).
Alternative Names
IS230SRLYH2A IS200SRLYH2AAA IS23OSRLYH2A IS2OOSRLYH2AAA IS230SNRTH2A IS200SRTDH2ACB IS230TRLYH1B IS200SRTDH2ACB IS230SNRTH2A IS230TAISH2C IS200TBAIS1CED
Technical notes
The IS230SRLYH2A IS200SRLYH2AAA board provides 12 Form-C relay outputs for turbine control. It features a unique isolated diagnostic feedback path for each relay, verifying actual contact position. Compatible with PDOA/YDOA I/O packs.
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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.
What I/O packs are compatible with this terminal board?
It is designed to work with either a PDOA or YDOA I/O pack. These packs interrogate the board's ID chip to verify hardware compatibility and manage relay actuation.
How does the board provide diagnostic feedback for relays?
Unlike simple relay boards, this unit features an isolated contact pair for each relay that provides actual position feedback to the I/O pack. This allows the system to detect relay failures or stuck contacts.
What is the purpose of the WROB/WROF/WROG option boards?
These boards plug into the SRLY to add functionality. WROB adds fused/sensed power distribution; WROF adds a fuse to each relay common with voltage feedback; WROG distributes power from an input connector with fuse feedback.
Can the IS230SRLYH2A be used as dry contacts without power distribution?
Yes. To use a relay as a dry contact, you must remove the corresponding jumper from the WROBH1 option board or remove the associated fuse (depending on the configuration) to isolate the power distribution circuit.

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