These devices are designed to interface any PLC to the Electronic Message Centers, or Displays, manufactured under the Alpha brand.
The EZCOM-1 Interface Units will work with all displays that conform to the EZ-KEY II Communications Protocol, Version 2.0 - contact sales to obtain a copy. Essentially, the EZCOM-1 unit takes care of the complicated serial communication necessary to display a particular message. The PLC simply needs to provide a Digital Output that corresponds to a pre-programmed file in the display, and the EZCOM-1 runs the desired message.
