Gas turbine cards IS200 IS220 series,DS200 series.
IC693/IC695/IC697/IC698/IC200/IC660/IC670 CPU module
Communication module,Analog digital module.
EX2100,EX2000 Excitation system card
IC660BBA020 is a Voltage/Current Combination I/O Module manufactured and designed by GE as part of the Mark II Series used in GE Speedtronic Control Systems.