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MOSCAD provides the features of both a Remote Terminal Unit (RTU) and a Programmable Logic Controller (PLC). Either type of application program is created by the Programming Toolbox, the created relay logic code compiled, and downloaded into the CPU module. The application resident within any local or remote MOSCAD unit may be monitored via the Programming Toolbox. When monitoring the local MOSCAD unit, the Toolbox plugs into an available RS-232 port on that CPU module. When monitoring a remote MOSCAD unit, the Toolbox connects to an RS-232 port on any local MOSCAD unit and utilizes the communication network to access the desired remote MOSCAD unit. When operating over an Ethernet (INTRANET) LAN, the Toolbox may connect directly to the LAN and communicate with the remote MOSCAD units at 10baseT data speeds. New application codes may be downloaded to the MOSCAD CPU; current or historical data may be uploaded from the CPU; the contents of the CPU's error logger may be retrieved. |