H-3531 – Xylem H-3531 FlashLite User Manual
Page 53

H-3531
SDI-12 Command and Response Protocol 5-15
5.14 Extended Read/Write 0-5V Output Enable
The H-3531 FlashLite™ scales the current Stage data to drive the 0-5V analog output. This
extended command is for reading/writing the 0-5V output enable. When the enable value is set to
a ‘1' then the 0-5V analog output is enabled and when it is set to a ‘0' then the 0-5V analog output
is disabled.
Command
Response
Description
“aXRVE!”
“a0011
Read 0-5V enable
“aXWVEd!” “a0021
Write 0-5V enable
Where:
a
is the sensor address ("0-9", "A-Z", "a-z", "*", "?").
XRVE
are upper case characters.
XWVE
are upper case characters.
d
is the new enable value(0/1)
Example of a H-3531 Extended "Read 0-5V Enable" command:
Command
Response
Time Values
Description
"aXRVE!"
"a0011
1 sec
1
Read 0-5V Enable
Command
Response
Description
"aD0!"
"a+0
0-5V out disabled
Example of a H-3531 Extended "Write 0-5V Enable" command:
Command
Response
Time Values
Description
"aXWVE1!"
"a0021
2 sec
1
Enable 0-5V out
Command
Response
Description
"aD0!"
"a+1
0-5V out enabled