EasyIO FC20 User Reference v1.3
RS 485 Serial port settings.
Every EasyIO FC controller comes with 2 RS -485 ports respectively D1 and D2.
Below is a table explaining the details for each serial port configurations.
Port Number
Protocol Communications supported
Default Serial port settings
Remarks
Port 1
( D1+ , D1- )
Modbus OR BACnet
Protocol selection is done via DIP switch 1.
DIP 1 = OFF = Modbus RTU
DIP 1 = ON = BACnet MSTP
Modbus
Baud Rate
: 19.2K
Parity
: even
Data Bit
: 8 (Not editable)
Stop Bit
: 1
BACnet
Baud Rate
: 19.2K
Port 1 is used to perform;
-
Firmware flashing.
(FwTool.exe)
-
Virtual Device for program downloads.
(FcVirtualDevice.exe)
-
Terminal mode for serial configurations editing.
(FwTool.exe)
Port 2
( D2+ , D2- )
Only supports Modbus RTU Protocol
(Default).
It supports Modbus Master as well if
configure via FC Virtual Tool.
Modbus
Baud Rate
: 19.2K
Parity
: even
Data Bit
: 8 (Not editable)
Stop Bit
: 1
If port 2 is configured Modbus Master RTU
(Default)
Port 2 is used to perform;
-
Virtual Device for program downloads.
(FcVirtualDevice.exe)