I would like to incorporate your WS-1-D Weather Station into an existing BACnet MS/TP system. That system has 8 thermostats controlling RTU’s on an 800 ft long RS-485 bus running at 38400 baud – their MAC addresses are 4,6,8,10,12,14,16 and 18. It uses a BASView2 front end and a (BACnet MSTP to IP) BASRouterLX both by Contemporary Controls.
The WS-1-D works well – when I connect it to my laptop using your USB-RS485 Converter with the FTDI windows driver and call up Yet Another BACnet Explorer (YABE), I can read the five analog variable, four analog input and two analog input BACnet objects as well as the Device object. However, when I add it to my existing network and do a scan, I can’t discover it and the other devices report “Bad Reads”.
I’ve used the WS-1-D’s interface to set the BAUD to 38400 and the “Modbus Device Address” to 20. YABE shows the following Analog_Value’s:
I am guessing that perhaps the “Station=12” means that the WS-1-D’s BACnet MSTP MAC address is actually set to 12 and that this is causing a conflict with the thermostat that also has an address of 12 ? Thanks for any help that you can give!