23
The Write Request:
The Write Request is used to modify parameter values and it has
the following message format:
[START CHAR][ID][ZONE]
[TYPE][PARAM][DATA][CHKSUM][END CHAR]
Field Description:
TYPE This field must contain one of the following
two characters.
W– Value in DATA is a positive value.
w– Value in DATA is a negative value.
DATA A six-character ASCII representation of a
numeric value.
Request Message
Description
$Ø1Ø1WØ91Ø.123G7<CR>
Change both the RAM and EEPROM
copies of Setpoint #1 in controller #1
to the value of 10.123
$Ø1Ø1w1Ø1Ø.123J1<CR>
Change only the RAM copy of
setpoint #1 in controller #1 to
the value of -10.123 (notice the
lowercase ‘w’).
END CHAR
CHKSUM
DATA
PARAM
TYPE
ZONE
ID
START CHAR
Digital
Communications
Option