...
_dst must be ["CWMDEVID"], where CWMDEVID is the actual Device ID of the CWM.
If you used the simulator with a USB cable connection to the CWM, it will have saved “usb” as the port setting to the CWM. If you used a custom RS232 cable, it would have saved “232” as the port. A common issue is when the cable used for the simulator doesn’t match the equipment’s cable.