75
RFID System
User's Manual
Section 3
V680 Commands
Section 3
Commands
COMMUNICATIONS CONDITIONS SETTING (TR)
This command is used to set serial communications parameters. The Hand-held Reader/Writer must
be restarted to make the changes take effect.
The COMMUNICATIONS CONDITIONS SETTING (TR) command can be used only with the V680-CH1D.
Do not use it with the V680-CHUD.
A memory error will occur if the power supply is interrupted while parameters are being changed.
Baud rate
Sets the baud rate.
0: 9,600 bps
1: 2,400 bps
2: 4,800 bps
3: 19,200 bps
4: 38,400 bps
Default setting: 9,600 bps
Data length
Sets the data length.
0: 7 bits
1: 8 bits
Default setting: 7 bits
Parity
Sets the parity.
0: Even parity
1: Odd parity
2: No parity
Default setting: Even parity
Stop bits
Sets the number of stop bits.
0: 2 bits
1: 1 bit
Default setting: 2 bits
End code
Indicates the execution result for the command.
00: Normal completion
For details on end codes, refer to
.
Fixed value
Always 1.
Resend flag
Always 0.
Command
T
R
×
2
1
1
2
C R
×
×
×
1
1
Data
length
Baud
rate
Parity Stop
bits
Command
code
Terminator
Response
T
R
0
0
2
2
2
C R
0
1
1
1
Command
code
Terminator
End code
Fixed
value
Resend
flag
