Indicate if the serial port object is connected to the device
Status can be open or closed.
If Status is closed, the serial
port object is not connected to the device. If Status is open,
the serial port object is connected to the device.
Before you can write or read data, you must connect the serial
port object to the device with the fopen function.
Use the fclose function
to disconnect a serial port object from the device.
Read only | Always |
Data type | String |
| The serial port object is not connected to the device. |
| The serial port object is connected to the device. |