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IS210TRPLH1A - Large Steam Primary Protection Trip Output Module is available in stock which ships the same day.
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SPECIFICATIONS:
Part Number: IS210TRPLH1A
Manufacturer: General Electric (GE)
Series: Mark VIe
Product Type: Turbine Primary Trip Terminal Board
Board Type: Terminal Board
Application: Turbine Primary Trip System
Number of Channels: 12
Signal Type: Analog / Trip Control Signals
Common Mode Voltage: +5 V DC
Analog Output Current: 0–20 mA
Maximum Lead Resistance: 15 Ω
Operating Temperature: -30°C to +65°C
Frequency: 50 / 60 Hz
Dimensions: 8.26 cm High × 4.18 cm
Installation Type: Terminal Board
System Compatibility: GE Mark VIe Control System
Repair Time: 3–7 Days
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6721D
IS210TRPLH1A is a Large Steam Primary Protection Trip Output Module manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Turbine Control Systems. The TRPL terminal board is used for the primary overspeed protection of large steam turbines. TRPL is controlled by the turbine I/O controller and contains nine magnetic relays in three voting circuits to interface with three trip solenoids, known as the Electrical Trip Devices (ETD). TRPL works in conjunction with the TREL terminal board to form the primary and emergency sides of the interface to the ETDs. These two terminal boards are used in a similar way as TRPG and TREG are used on gas turbine applications. Up to three trip solenoids can be connected between the TREL and TRPL terminal boards. TREL provides the positive side of the 125 V DC to the solenoids, and TRPL provides the negative side. In addition, there is provision for wiring in two manual emergency stop functions. In the Mark VIe systems, TRPL is controlled by the PTUR I/O packs on TTURH1C. The I/O packs plug into the D-type connectors on TTURH1C, which is cabled to TRPL. Only TMR systems are supported.
INSTALLATION:
The three trip solenoids are wired directly to the first I/O terminal block. The primary emergency stop and optional secondary emergency stop are wired to the second terminal block. Trip solenoid power is supplied through plugs JP1, JP2, and JP3. The wiring connections are shown in the following figure. Using a jumper, terminals 9 and 11 must include the PTR3 trip. If a second emergency stop is required, wire to terminals 46 and 47 and remove the jumper.
OPERATION:
TRPL is used for TMR applications only. Three separate power buses, PwrA, PwrB, PwrC for solenoid power, are brought in through connectors JP1, JP2, and JP3, and then distributed to TREL through connector J2. The power buses have a nominal voltage of 125 V dc (70 to 145 V dc) or 24 V dc (18 to 32 V dc). The board includes power bus monitoring (three buses). The maximum current per bus is 3 A. Each of the three trip solenoids is controlled by three relays using 2/3 contact voting. The relay output rating (for 100,000 operations) is as follows:
The trip circuits include solenoid suppression and associated solenoid voltage monitoring and trip relay contact monitoring. In the TRPL, the hardwired trip (E- STOP) and associated monitoring provide approximately 6.6 V dc to the I/O board when the K4 relays are picked up.
WHY BUY FROM WOC:
World of Controls maintains a large inventory of OEM replacement parts for GE Distributed Control Systems (DCS), helping customers source critical industrial automation components quickly and efficiently. We offer UNUSED and REBUILT boards, along with professional repair and exchange services for applicable GE control system equipment, with available products inspected and tested according to applicable procedures and supported by warranty coverage. Our experienced technical team can assist with part identification, availability, repairs, replacement solutions, and sourcing requirements. Whether you need a replacement board, maintenance spare, or repair for a faulty component, Our Team can help provide a suitable solution for your application. Contact our team by phone or email for current pricing, availability, condition, repair options, warranty details, and delivery requirements.
What is the IS210TRPLH1A?
The IS210TRPLH1A is a Large Steam Primary Protection Trip Output Module used in GE Mark VIe turbine control systems. It provides the primary trip interface for large steam turbine overspeed protection. The board interfaces with trip solenoids through dedicated voting circuits.
How does the relay voting system operate?
Each of the three trip solenoids is controlled by three relays using 2/3 contact voting. This arrangement allows the system to determine a trip condition based on the required relay states. The voting architecture is intended to provide dependable turbine protection.
What power supply voltages are supported?
The board supports nominal power bus voltages of 125 V DC or 24 V DC. The 125 V DC bus operates within a range of 70 to 145 V DC, while the 24 V DC bus operates from 18 to 32 V DC. Three separate buses supply the solenoid circuits.
How many power buses are used?
Three independent power buses—PwrA, PwrB, and PwrC—are used for solenoid power. These buses enter through connectors JP1, JP2, and JP3 and are distributed to the associated interface through J2. The board also provides monitoring for all three power buses.
What is the function of the PTR3 trip jumper?
A jumper is required between terminals 9 and 11 to include the PTR3 trip in the specified configuration. When a second emergency stop is required, the wiring configuration changes according to the installation requirements. The applicable GE installation documentation should be followed when modifying these connections.
How does the system monitor the trip circuits?
The trip circuits include solenoid suppression, solenoid voltage monitoring, and trip relay contact monitoring. These functions allow the control system to monitor the condition of the trip interface. Diagnostic feedback helps identify abnormal conditions in the protection circuit.
Can the IS210TRPLH1A be repaired?
Repair service may be available depending on the condition and nature of the board fault. World of Controls provides applicable repair and exchange services for GE turbine control equipment. Customers can contact the team to confirm repair feasibility, turnaround time, and testing options.
