Products Description
GE IS220PTURH1B Turbine I/O Trip Module

Technical SpecificationsModel:IS220PTURH1B Brand:GE Product Type: Turbine specific primary I/O trip pack for Mark VIe / Mark VIeS Speedtronic turbine control system
Module Feature:Function: Primary turbine protection and I/O interface module, acquires turbine speed, analog and discrete field signals, executes safety trip logic for gas and steam turbine control. Signal interfaces: DC speed input, ±15VDC analog voltage input, emergency stop input, relay contact output, 24VDC power output for field devices Relay contact rating: 28VDC,7A DC E-stop power output:24VDC open collector, 24mA DC short circuit protection Conformal coated PCB for harsh industrial cabinet environment Dual Ethernet ports for Mark VIe control network communication LED indicators: PWR, LINK, module status and turbine trip diagnostic lights Hardware self-diagnosis: signal overrange, wiring fault, relay health, communication link and internal circuit monitoring SIL rated safety module for turbine protection Programming software: ToolboxST for Mark VIe configuration and commissioning
Electrical ParametersPower supply:28VDC, 0.41A max
Mechanical & Structure:Mounting: Plug-in chassis slot mounting for Mark VIe rack Weight:0.40kg Protection class:IP20
Environmental:Operating temperature:-30℃ ~ +65℃ Ambient humidity:5~95% non-condensing Certification:UL, CE, ATEX Status:Manufacturer discontinued legacy spare part
System compatibilityIS220PTURH1B belongs to GE Mark VIe Speedtronic turbine control family. Compatible with Mark VIe controller, power supply and other Mark VIe I/O modules. Widely applied in gas turbine, steam turbine and power generation plant safety and control systems.
FunctionIS220PTURH1B is primary turbine I/O trip pack for GE Mark VIe Speedtronic control system. It collects critical turbine operating signals and implements safety trip protection logic. Dual Ethernet links communicate with Mark VIe main controller. Conformal coating protects circuit board against dust, moisture and corrosive gas in power plant cabinet. Onboard LEDs show power, network link and fault status for on-site maintenance.
InstallationFollow lockout/tagout safety procedure before installation. Fully cut off rack power. Insert IS220PTURH1B into Mark VIe chassis slot and lock retainer. Wire 28VDC power and turbine field sensors, emergency stop and trip relay wiring. Configure turbine protection parameters in ToolboxST software. Power on and verify network communication and trip logic test.
InterfaceMark VIe backplane gold-edge connector, dual Ethernet port, field analog/discrete terminal block,on-board PWR / LINK / diagnostic LED indicators for GE IS220PTURH1B.
DiagnosticModule cannot online:Check 28VDC supply, module seating and backplane contact condition. Network link lost:Inspect Ethernet cable, switch port and network configuration. Trip fault alarm:Field wiring fault, speed signal loss, emergency stop trigger or relay failure.

Product BriefIS220PTURH1B is GE legacy Mark VIe Speedtronic primary turbine I/O trip pack module,for gas/steam turbine safety protection and critical signal acquisition,discontinued power generation spare card.