ControlWave CPU Conversion Kits offer a cost-effective ControlWave architecture upgrade path for existing 3310, 3330 and 3335 systems.�The kits allow you to maintain your investment in I/O, wiring, cabinets and enclosures, communication infrastructure, and application program development.�CW_10 and CW_30 CPUs are direct replacements for the CPUs in 3310, 3330 and 3335 systems, enabling easy replacement of existing CPU and communication cards.