overview
This is an example of connection settings using RS-232C Q mode with the Q series (private protocol).
Model used
item |
Model etc. |
PLC |
Q02CPU |
Communication Unit |
QJ71C24 |
Configuration details
item |
Setting items |
Configuration Example |
PC settings |
COMPort |
Serial port number to connect to |
Transmission speed |
19200bps |
|
Area code |
0 |
PLC side settings
Set up "QJ71C24". Settings are done using FGPPW etc.
1.Start GPPW and create a new project
2.Double-click "Parameter" - "PC Parameter" in the tree to display the "Parameter Setting" dialog as shown below, and click [Read PC Data].
3.Click "Switch Settings", set as follows, then click [Finish Settings] to close all dialog boxes.
When connecting to CH1 of a unit, set switches 1 and 2 to "0" (switches 3 and 4 for CH2). Switch 5 is the unit number (station number).
In addition, parameters such as communication speed are automatically recognized. For details about the switch, refer to the "Serial Communication Unit User's Manual."
4.Click "Online" - "Write to PC" to write the parameters to the PLC.