Xylem H-3531 FlashLite - Manual (Page 61)

H-3531
SDI-12 Command and Response Protocol 5-23
5.20.2 H-355 Read/Write Bubble Rate Command
This command is for reading the current bubble rate and also for editing the bubble rate.
The user can change the bubble rate from 30 to 120 bubbles/minute. Refer to H-355 Gas
Purge System manual for more details.
Command Response Description
“aXRBR!” “a0051” Read Bubbler rate
“aXWBRddd!” “a0051” Write Bubbler rate
Where: a is the sensor address ("0-9", "A-Z", "a-z", "*", "?").
XRBR are upper case characters.
XWBR are upper case characters.
ddd is bubbles/minute value.
This command takes 005 seconds to complete and places 1 value in the data buffer. Use
the “aD0" command to collect and view the current value.
Example of a H-3531 Extended "Read Bubbler Rate" command:
Command
Response Time Values Description
"aXRBR!" "a0051" 5 sec 1 Read Bubbler Rate
Command Response Description
"aD0!" "a+60" 60 bubbles/minute
Example of a H-3531 Extended "Write Bubbler Rate" command:
Command
Response Time Values Description
"aXWBR80!" "a0051" 5 sec 1 Write Bubbler Rate
Command Response Description
"aD0!" "a+80" 80 bubbles/minute