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Product Name: PROTECTIVE TERMINAL BOARD
Brand Name: GE
Model Number:IS200TPROH1BCB
Country of Origin:USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
General Electric |
Model Number: |
IS200TPROH1BCB |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
Delivery time in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Part Number |
IS200TPROH1BCB |
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Manufacturer |
General Electric (GE) |
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Series |
Mark VIe / Speedtronic |
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Product Type |
Protective Terminal Board (TPRO) |
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Power Supply Voltage |
28 V DC input |
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Operating Temperature |
-30°C to +65°C |
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MPU Pulse Rate Range |
2 Hz to 20 kHz |
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Speed Pickup Capacity |
Supports up to 6 passive magnetic pickups (MPUs) |
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Redundancy |
Triple Modular Redundant (TMR) compatible |
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Dimensions (W × H) |
33x17.7x3cm |
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Weight |
0.62kg |
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Connectors |
Two pluggable terminal blocks, three DC-37 pin connectors |
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Country of Origin |
United States (USA) |
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Availability |
In Stock |
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Certifications |
CE, UL, RoHS compliant |
The IS200TPROH1BCB is a protective terminal board developed by GE for the Mark VIe control system. Acting as a critical signal interface, the IS200TPROH1BCB transmits speed, temperature, generator voltage, and bus voltage signals to the VPRO (Voting Processor) board, forming an independent emergency overspeed and synchronization protection system. The IS200TPROH1BCB supports up to six magnetic pickup inputs for precise turbine speed monitoring. Working within a Triple Modular Redundant (TMR) architecture, the IS200TPROH1BCB ensures fail‑safe turbine operation by providing reliable signal termination and conditioning in harsh industrial environments.
Gas turbine overspeed protection systems
Steam turbine emergency shutdown control systems
Generator and bus voltage monitoring
Turbine temperature measurement (thermocouple inputs)
Hydroelectric generation system protection
Industrial drive protection applications
Power plant turbine control cabinets
Six Magnetic Speed Pickup Inputs: Supports up to 6 passive MPUs for turbine shaft speed sensing; three dedicated to controller speed control, three connected directly to VPROs for overspeed protection
Triple Modular Redundant (TMR) Compatibility: VPRO boards are configured in triple redundancy, ensuring system reliability even if one processor fails
Multiple Field Signal Inputs: Accepts generator voltage, bus voltage, thermocouple signals, and analog current inputs for comprehensive turbine monitoring
Configurable Analog Inputs: Jumper‑selectable between 4‑20 mA current input and voltage input (JP1A/JP1B)
Trip Solenoid Control: Interfaces with TREx (TREG/TREL/TRES) and TRPx boards to control up to three trip solenoids with 125 V DC supply
On‑board Fault Diagnostics: Continuous health monitoring of signals and cables; composite diagnostic alarm (L3DIAG VPROR/S/T) triggers if any signal becomes unhealthy
Wide Environmental Tolerance: Operates reliably from -30°C to +65°C for harsh industrial turbine environments
Voting Relay Mechanism: VPRO controls 12 relays on TREG board, with 9 organized into three groups of three for 2‑out‑of‑3 voting logic on trip decisions
Terminates and conditions critical turbine protection signals including speed, voltage, temperature, and current for VPRO processors
Routes speed signals from magnetic pickups: three signals to the main controller for speed regulation, three to VPRO boards for independent overspeed protection
Distributes generator and bus voltage signals to enable backup synchronization check protection
Executes emergency turbine trip logic via VPRO board when overspeed or abnormal conditions are detected
Provides surge protection, signal filtering, and electrical isolation to safeguard downstream processor hardware
Supports configurable analog input ranges (4‑20 mA or voltage) via onboard jumper settings
Triggers composite diagnostic alarms when any monitored signal (analog input, speed pickup, etc.) becomes unhealthy
Q1: What is the IS200TPROH1BCB used for?
A1: The IS200TPROH1BCB is a protective terminal board that terminates and conditions critical turbine protection signals such as speed, voltage, and temperature for the Mark VIe VPRO voting processor in emergency overspeed protection systems.
Q2: How many speed pickups can the IS200TPROH1BCB support?
A2: The IS200TPROH1BCB supports up to six passive magnetic speed pickups (MPUs): three are monitored by the controller for speed control, and three connect directly to the VPROs for independent overspeed protection.
Q3: Can the IS200TPROH1BCB be used in redundant configurations?
A3: Yes, the IS200TPROH1BCB is designed for Triple Modular Redundant (TMR) architectures, distributing signals across three VPRO boards and enabling 2‑out‑of‑3 voting for fail‑safe trip decisions.
Q4: What diagnostics does the IS200TPROH1BCB provide?
A4: The VPRO board performs continuous health checks on the IS200TPROH1BCB, its cables, and input signals. A composite alarm (L3DIAG VPROR/S/T) triggers if any monitored signal becomes unhealthy.
Q5: Is the IS200TPROH1BCB hot‑swappable?
A5: No. Replacement of the IS200TPROH1BCB requires the system to be de‑energized to prevent accidental trip signal activation or damage to associated I/O pack interfaces.
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