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5.3.2 Setting Mode: “Communication Parameters” (C OM. Port / TOOL Port)
Touching the [Setting] Key on the initial screen of the system menu and then touching the [COM. Port]
and [TOOL Port] keys on the setting mode menu displays the communication parameters setting screen.
Here, parameters controlling communication between the PLC and personal computer (GTWIN)
connected to the GT main unit are specified.
COM. port communication parameter settings (PLC communication parameter settings)
Procedure for bringing up the screen
[Initial screen]
↓
[Setting]
↓
[COM. Port]
Bitrate: PLC baud rate
This sets the baud rate for communication with an external device (PLC) connected to the GT main unit.
Each time the [Function] key is pressed, the baud rate switches in the sequence of 9600, 19200, 57600,
115200. Set the baud rate to match that of the PLC connected to the GT main unit.
Format: Transmission format
This sets the communication parameters (data length, stop bits, parity) for the external device (PLC)
connected to the GT main unit.
The items displayed are: Data length/Stop bit/Parity, and each time the [Function] key is pressed, the
display switches in the sequence of: [7/1None], [7/1/Odd], [7/1/Even], [8/1/None], [8/1/Odd], [8/1/Even].
Set the parameters to match those of the PLC connected to the GT main unit.
Touch panel operation:
[Return] To complete the settings and return to the previous screen, touch the [ESC] key.
Explanation of this function:
The default values for the COM. port communication parameter settings are: 9600, 8/1/Odd.
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