This GOULD MODICON AS-884A-211 884 CONTROLLER is in lightly used condition and is guaranteed to be fully functional with a 30 day return policy. This unit came from a local manufacturer that was upgrading equipment. Please feel free to contact us with any questions. The 884 Programmable Controller represents the Modicon difference in programmable controllers. The 884 PC is a medium size programmable controller designed to control industrial equipment for process and discrete parts manufacturing industries. The PC is programmed with relay ladder logic. The logic consists of timers, counters, arithmetic, sequencers, data transfers and matrix functions.