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6. RS-485
6-3. RS-485 transmission settings
RS-485 setting items are added to the TD-SC1 (485).
Setting
Format
Default value Options
Communication
Mode
Selection TD Format
(BCC)
TD Format
TD Format (BCC)
Continuous
Transmission
ID Number
Input
1
1 to 31
Baud Rate
Selection 115200
4800
9600
19200
38400
57600
115200
Bit Length
Selection 8-bit
8-bit
7-bit
Parity Bit
Selection None
None
Odd
Even
Stop Bit
Selection 1-bit
1-bit
2-bit
Delimiter
Selection CR + LF
CR + LF
CR
o
RS-485 transmission settings can only be read and written
when connected by USB. When connected by RS-485, they
can only be read. (RS-485 transmission settings cannot be
changed when connected by RS-485.)
o
After changing RS-485 settings, restart the unit.
Communication Mode
Select the RS-485 transmission protocol.
TD Format
This transmission protocol is unique to
the TD-SC1.
TD Format (BCC) This transmission protocol adds check-
sum (BCC) to the TD format.
Continuous
Transmission
This continuously transmits TD Format
polling command (0001) data.
ID Number
This can be set between 1 and 31. Set so it does not overlap
with the IDs of other stations.
Baud Rate
Set the transmission speed for RS-485 communication.
Bit Length
Set according to the transmission requirements of connected
equipment.
Parity Bit
Set according to the transmission requirements of connected
equipment.
Stop Bit
Set according to the transmission requirements of connected
equipment.
Delimiter
Set according to the transmission requirements of connected
equipment.