Distributor of Digi International: Excellent Integrated System Limited
Datasheet of 301-1141-01 - WATCHPORT TEMP SENSOR
Contact us: [email protected] Website: www.integrated-circuit.com
Watchport Installation Guide (90000406 Rev. H) – Page 14
Watchport/T (Temperature Sensor)
The Watchport/T uses an ASCII command interface. Its operating range is -55C to +125C.
Watchport/T Commands
Command
Description
Return Value
?<CR>
Tells about the command set available for this Watchport.
as described in this section
I<CR>
Tells what kind of Watchport is connected.
Watchport/T<CR>
T<CR>
Gives temperature in Celsius.
+22.2500C<CR>
TC<CR>
Also gives temperature in Celsius.
+22.2500C<CR>
TF<CR>
Gives temperature in Fahrenheit.
+72.0000F<CR>
TF+<CR>
Repeats the
TF
commend every 3-4 seconds until the next
keystroke. Appending
+
also works with the
TC
and
T
commands.
+72.0000F<CR>
L4<CR>
Adjusts the slew rate* of the data line. When
L
is followed by
a numeric value,
1
through
8
, Watchport responds with
OK
.
Other values return
Invalid Command
. The default setting
is
4
. Adjust the parameter until the data transmission becomes
error-free. The setting remains in effect until the Watchport is
power-cycled.
OK
Invalid Command
* Slew rate, as associated with 1-wire devices, determines the round-trip propagation time of a signal and
depends on the number of devices connected and the length of the cable.
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