Simple Control Solutions for Standalone Machines.

ExPD's experience includes: PLC, PC and custom applications with expertise in conveyor control, conveyor sortation, palletising and barcode scanning. When designing a standalone machine, we have found that the simplest control solution is based on a programmable logic controller (PLC) with high-quality connected components. The PLC in its infancy was, quite simply, a relay replacer. While the versatility of the PLC has grown, the physical size has shrunk. Now it is not uncommon to see micro PLCs fit into the palm of a hand.

Unlike programmable automation controllers (PACs) - designed for I/O-intensive, multi disciplined control applications - micro PLCs are ideal for controlling standalone, discrete machinery or processes that must fit into a very small footprint. Examples include machines with high-speed, repetitive, time-driven or event-driven operations, such as conveyors, sortation operations, packaging operations etc Many of these applications have traditionally been controlled by relays or custom single board controls, but are moving to micro PLC's for the increased flexibility and simplicity they offer.

Our software capabilities range from the MicroLogix family, PLC-5 and SLC500 family to the top of the line ControlLogix family of processors. In addition to PLC's, ExPD can also program the entire line of Alley Bradley PanelView terminals.

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