Industrial Application SoftwareFactorySuite A2 development edition is available from small (250 I/O) to extra-large (up to 100,000 I/O) development versions. The core application platform Industrial Application Server also can be purchased in sizes ranging from 250 I/O to 100K I/O per solution. It includes a single, integrated development environment for engineering and maintaining complete application solutions that use the Industrial Application Server, InTouch HMI software, IndustrialSQL Server plant historian and communication servers.