The IS200ADIIH1A is a PCB component manufactured by General Electric for their Mark VI series. The MKVI is one of the most advanced of the successful Speedtronic steam/gas turbine management systems created by GE. The MKVI has a control system that comes loaded with software specific to its application to gas, steam and land-marine aeroderivative (LM) or balance of plant (BOP) products that can execute up to 100,000 rungs or blocks per second.
The IS200ADIIH1A is designed to function as an Auxiliary Drive to ISBus Interface Board. It must be noted this circuit board may only be used in AcDc2000 drives where an LDCC board is also present; the configuration of the IS200ADIIH1A interface is done using the keypad located on the LDCC board, or may also be done using the GE Control System Toolbox. The IS200ADIIH1A cannot be used with previous LAN communication boards and design drive control.
The IS200ADIIH1A has one controller, designated drop 0, and no more than 31 nodes. A stream of bytes containing each ISBus node’s references begins at the master and daisy-chains through each node. As the information is passed along, the nodes substitute their feedback data in place of their reference data. When the stream returns to the master it contains feedback data from every node. The ISBus frame rate can be programmed to 1ms, 2ms, 4ms or 8ms.
The IS200ADIIH1A is built without hardware jumpers or fuses. The board includes seven TP test points for diagnostic or setup purposes. Refer to GE publication GEI-100305 for more information.