Replace that “smart relay” with a real PLC—for the same low price.
Jazz™ is a full-function Programmable Logic Controller with onboard I/Os and a built-in Operator Panel. Jazz™ is specifically designed to control small machines, and to perform simple-to-medium automation tasks. Compact and economical, Jazz™ enables you to use a low-budget unit without compromising on features and technology.

Jazz™ offers the flexibility of Ladder programming (24K Ladder code, virtual), on-board I/O configurations (some models with direct temperature inputs), communication options such as GSM/SMS, Remote Access, and MODBUS networking. The Jazz™ HMI application enables you to design up to 60 text screens, using up to 64 HMI variables for the display of time, date, and real-time system data. Jazz™ programming is as easy as it gets—build Ladder Logic control applications using click-and