GE IS220PDOAH1A Discrete Output I/O Pack

Product Description

GE IS220PDOAH1A is a discrete output I/O pack for GE Mark VIe Speedtronic turbine control system. It is a smart processing pack with dual Ethernet IONet ports, supporting 12 isolated discrete output channels. This pack communicates with the main controller and pairs with matched relay terminal boards to execute digital control commands, featuring built-in channel diagnostics, hot-swap capability and conformal coating for high-reliability power turbine control racks.

Product Functions

• Receive control logic commands from Mark VIe controller via dual IONet Ethernet
• Drive up to 12 isolated discrete relay output channels for field loads
• Real-time channel diagnostics for open circuit, short circuit and load fault
• Support hot swap for online replacement without rack shutdown
• Work cooperatively with relay terminal boards such as IS200SRLYH2AAA
• Support simplex and TMR triple modular redundant control architecture

Applications

• Gas turbine and steam turbine alarm, trip and interlock control loops
• Start-stop control for lube oil pumps, cooling fans and solenoid valves
• Combined-cycle power plant Mark VIe control cabinet spare replacement
• Oil & gas turbomachinery safety shutdown and auxiliary equipment control
• Retrofit and maintenance of legacy Speedtronic distributed control racks

FAQ