Use The Communication Option - Toshiba TOSVERT VF-FS1 series Function Manual

E6581404

3.11. Use the communication option

Serial communication (2-wire RS485) option can be used. However, while it is connected, the internal
communication line is switched to RS485 then the communication via BACnet network is disabled. In
this case, communication error trip time (f803) is also active.
Use RS485 serial communication option specified by Toshiba
- 11 -