14-22 SDI-12 Operations
XL™ Series
Response to a "aV!" command:
Command
Response
Time Values
Description
-------------
---------------------
------- --------
---------------------------
"aV!"
"@0104<cr><lf>"
10 sec 4
Return fixed data and diagnostic
data for testing purposes.
Subsequent Command
Response
--------------------------- --------------------------------------------
"aD0!"
a+123.456+78.9+y+z<cr><lf>
Key
Description
Units
-------------
-------------------------
----------------------------
+123.456
Fixed test data
+78.9
Fixed test data
y
ROM checksum test
0 = Failed, 1 = Passed
z
Watchdog timer status
0 = Off, 1 = On
similar to the "aM!" command except that the values generated are fixed test data and the results
of diagnostic checksum tests. The data generated in response to this command is placed in the
sensor's buffer for subsequent collection using "D" commands. The data will be retained in the
sensor until another command is executed.
Command
Response
Description
-------------
-------------------------
---------------------------
"aV!"
"atttn<cr><lf>"
Initiate verify sequence
Where:
a
Is the sensor address ("0" to "9", "A" to "Z", or "*").
V
Is an upper-case ASCII character.
ttt
Is a three digit integer (000-999) specifying the maximum time, in seconds, the sensor
will take to complete the command and have data available in its buffer.
n
Is a single digit integer (0-9) specifying the number of values that will be placed in the
data buffer. If "n" is zero (0), no data will be available using subsequent "D" commands.
Summary of Contents for H-350XL
Page 1: ...XL Series Models H 350XL H 500XL H 510XL H 522 H 522 Plus Owner s Manual ...
Page 30: ...2 16 Hardware Options and Installation XL Series ...
Page 42: ...3 12 Using The Built In Keypad Display XL Series ...
Page 46: ...4 4 PC Menu Interface Operation XL Series ...
Page 58: ...5 12 Miscellaneous System Setup XL Series ...
Page 66: ...6 8 Serial Port Options XL Series ...
Page 74: ...7 8 System Configuration Files XL Series ...
Page 84: ...8 10 System Status Menus Options XL Series ...
Page 88: ...9 4 Scanning Options XL Series ...
Page 156: ...15 12 Logging Options XL Series ...
Page 198: ...16 42 Operation with the GOES Radio XL Series ...
Page 216: ...19 6 Alarm Call Out XL Series ...
Page 234: ...21 8 Operation with the H 355 Smart Gas System XL Series ...
Page 246: ...22 12 Functions XL Series ...