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H1：IS200TSVCH1AJE GE TSVC Servo Valve Terminal Board for Mark VI / Mark VIe Speedtronic Turbine Control
Product Overview IS200TSVCH1AJE belongs to GE IS200 hardware family, it is a field‑side TSVC servo terminal board for Mark VI and Mark VIe Speedtronic turbine control racks. The suffix AJE represents OEM hardware variant configuration code for base part number, used for spare‑part traceability and exact hardware matching during plant maintenance projects。
Working together with PSVO servo I/O pack inside the control cabinet, this board establishes physical signal connection between turbine controller and field‑mounted electro‑hydraulic servo valves, LVDT position transducers and magnetic pickup speed sensors. It delivers dual‑channel bidirectional servo current outputs to actuate gas control valves (GCV), inlet guide vanes (IGV) and steam governing valves. Meanwhile it receives high‑precision LVDT position feedback signals to realize closed‑loop valve‑position regulation for gas‑fired and steam turbines. On‑board voting relays and embedded hardware diagnostics support simplex, dual and full TMR triple‑modular redundant deployment to meet power‑plant safety requirements。
IS200TSVCH1AJE is end‑of‑life legacy hardware; original OEM manufacturing has been discontinued. Global power‑plant maintenance markets source surplus new, pulled‑used and fully refurbished tested units for spare‑part replacement and cabinet retrofit projects. Conformal‑coated PCB construction guarantees stable performance under high‑noise, high‑humidity cabinet environments in power generation sites。
H2：Key Features of IS200TSVCH1AJE
‑ TSVC servo terminal hardware specially designed to pair with PSVO I/O pack for Mark VI / Mark VIe racks, incompatible with VSVO processor modules ‑ Dual‑channel bidirectional configurable servo‑current outputs for electro‑hydraulic servo‑valve driving ‑ 8‑channel LVDT winding inputs for high‑accuracy valve‑position feedback measurement ‑ 2 pulse‑rate input channels compatible with magnetic‑pickup or TTL‑level turbine‑speed signals ‑ Integrated voting relay group including suicide relay for servo‑loop safety interlock and fault protection ‑ Supports simplex, dual and TMR triple‑modular redundant architecture ‑ Built‑in hardware diagnostics for fault detection and status reporting ‑ Barrier terminal blocks plus multi‑pin D‑sub backplane connectors for reliable field wiring ‑ Conformal‑coated PCB for dust‑resistant and humidity‑resistant cabinet‑mount installation ‑ Critical interface hardware for closed‑loop control of turbine fuel admission and steam governing valves
H2：Technical Specifications
‑ Part Number：IS200TSVCH1AJE ‑ Brand：General Electric (GE Vernova) ‑ Product Type：TSVC Servo Valve Terminal Board ‑ Applicable System：Mark VI, Mark VIe Speedtronic Turbine Control System ‑ Matching I/O Pack：PSVO pack ‑ Servo Output：2‑channel bidirectional servo‑current output ‑ LVDT Input：8 winding inputs for valve‑position feedback ‑ Pulse‑Rate Input：2 channels (magnetic pickup / TTL compatible) ‑ Nominal Supply Voltage：24 VDC ‑ Mounting：Backplane rack‑mount inside GE Mark VI series control cabinet ‑ Operating Temperature：‑30 ℃ ~ +65 ℃ ‑ Board Treatment：Conformal‑coated PCB ‑ Hardware Variant Suffix：AJE ‑ Main Application：Gas turbine, steam turbine combined‑cycle power plants, captive‑power‑station assets
H2：Typical Application Scenarios
IS200TSVCH1AJE is widely applied on legacy GE turbine‑based power‑generation assets:
- Combined‑cycle power‑plant gas‑turbine GCV and IGV closed‑loop position control
- Steam‑turbine governing‑valve adjustment and LVDT feedback‑monitoring tasks
- Industrial captive‑power‑plant Mark VI / Mark VIe spare‑part replacement
- Legacy turbine‑control cabinet overhaul and system‑migration retrofit projects
- Oil‑and‑gas on‑site power‑generation equipment maintenance work
H2：Common Board Failure Symptoms
Degraded or faulty IS200TSVCH1AJE can introduce serious operational risks: unstable servo‑drive output, valve hunting, LVDT‑signal dropout, inaccurate valve‑position readings, intermittent valve‑actuation or turbine‑load fluctuation. Timely spare‑part replacement avoids costly unplanned plant outages. This board is static‑sensitive; ESD protection is mandatory during handling and installation。
H2：Our Supply of IS200TSVCH1AJE
We supply IS200TSVCH1AJE in multiple conditions: surplus new, tested used, fully refurbished. Every unit undergoes comprehensive hardware‑function testing before shipment. ‑ Full‑function hardware inspection prior to dispatch ‑ ESD anti‑static industrial‑grade packaging ‑ Global worldwide‑shipping support ‑ Contact us to check real‑time stock status and lead‑time
H2：Frequently Asked Questions（FAQ for long‑tail SEO traffic）
Q1：What does AJE suffix stand for in IS200TSVCH1AJE? A1：AJE is GE hardware‑variant identifier for this TSVC board, used for spare‑part configuration matching and traceability.
Q2：Which I/O pack does IS200TSVCH1AJE work with? A2：It must be paired with PSVO I/O pack for Mark VI / Mark VIe racks, not compatible with VSVO processor.
Q3：What is the core function of IS200TSVCH1AJE? A3：It outputs servo‑drive signals to electro‑hydraulic servo valves and collects LVDT‑position feedback to achieve closed‑loop control for turbine GCV, IGV and steam governing valves.
Q4：Is IS200TSVCH1AJE still under OEM production? A4：This is end‑of‑life legacy hardware; original OEM manufacturing has stopped. Market supply comes from surplus and refurbished inventory.
Q5：Will you test IS200TSVCH1AJE before delivery? A5：Yes, all units receive complete hardware‑function inspection before packing and shipment.
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