Yaskawa MP900 Series MPLOGGER - Manual (Page 69)

4.11 Monitoring
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4.11.1 Start Communications
1. To start communicating with the controllers, select PLC - Start Communication from
the Excel menus.
2. When communications have been established, the Communications Server Icon in the
Windows Task Bar will become active. The active icon indicates that communications
have started. The Excel sheet will not visibly change.
3. When communications have started, the Data Communications Server begins collecting
monitoring data and adds it to the server memory. It then stores the data in an MDB file
every cycle as defined by the data logging tags.
• To display the controller values on the Excel sheet for monitoring purposes, the display update
function needs to be activated. For details, refer to 4.11.4 Start Display Update .
• Once communications have started, fundamental information, such as cell settings, data logging
settings, communications driver settings, and controller settings, cannot be changed. Any menu
options that cannot be used are grayed out, indicating that the function is not available.
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