Define the communication settings for the External Device using the engineering software MELSOFT GX Works3.
For more information, please refer to the manual of the External Device.
Start up the engineering software.
From the tree view, expand the [Parameter], select the External Device in use and then from [Module Parameter] double click [Expansion Board].
In the [Expansion Board] window, specify the following parameters.
Basic Settings
Setup Items |
Settings |
Expansion Board |
Select expansion board you want to use (FX5-232-BD or FX5-485-BD) |
Communication Protocol Type |
Modbus RTU Communication |
Parity |
Even |
Stop Bit |
1 bit |
Baud Rate |
19,200 bps |
Fixed Settings
Setup Items |
Settings |
Station No. |
1 |
Slave Response Timeout |
3000 |
Broadcast Delay |
400 ms |
Message Waiting Time |
1 ms |