Stop Bit - YOKOGAWA PR300 User Manual

<Toc> <Ind>
3.5.4

Stop Bit

[Procedure]
(1) To set the stop bit, write data to the D register in the table below. The data type is
integer.
(2) After writing that value, write 1 to the RS-485 writing status register, D0277.
D Register
D0274
D0277
Initial value of stop bit: 1 (1 bit)
NOTE
When Modbus/TCP is selected for the protocol, the stop bit is fixed and unchangeable at 1
bit.
[Example]
To set the stop bit to 2 (2 bits):
For station number 01, use PC link communication (without checksum) and the random
write command as shown below:
[Command]
[STX]01010WRW02D0274,0002,D0277,0001[ETX][CR]
[Response]
[STX]0101OK[ETX][CR]
<3. Procedures for Setting PR300 Functions>
Reference No. H No.
40274 0111
40277 0114
Description
Stop bit
RS-485 writing status
(D0271 to D0276 are
validated)
Effective Range
1: 1 bit
2: 2 bits
If other than 1: Invalid
If 1: Writing is executed
IM 77C01E01-10E
3-19