Yokogawa LL100 Parameter Software
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The Yokogawa LL100 PC-based parameters setting tool is a software package used to set the setup parameters, operating parameters and program patterns of the GREEN series controllers from a personal computer. This tool allows users to download, upload, print out parameters and display PV trend data during PID tuning and other processes.

Controllers can be connected to personal computers via dedicated adapter to the controller's front panel, by RS-485 communication terminals or by Ethernet communication terminals.