
Installation and Operating Handbook
4.2.5.1
Instruction 26 (Serial Communications Settings Change Request)
Table 4.16: Serial Communications Settings Change Request message format (instruction 26)
Message
byte no.
Set value / example
Length
(bytes)
Description
1
02
1
STX
2
9
1
Number of bytes
3
32
1
Unit address
4
26
1
Instruction number
5
'2'
1
RS232/RS485 selection
’2’ = RS232
’4’ = RS485
6
43
1
Address
Valid character range is 1 to 255(incl.)
7
'5'
1
Baudrate
’1’ = 300
’2’ = 1200
’3’ = 2400
’4’ = 4800
’5’ = 9600
’6’ = 19200
8
?
1
Checksum
9
03
1
ETX
PBU2000
Peak Communications Ltd.
23