Setup Commands - Aprilaire 8800 Programmer's Manual

Communicating thermostat
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SETUP COMMANDS

SCAlE
Temperature scale
Permissions: Read/Write
Query
Syntax:
Command
Description: Requests the temperature scale setting .
Assignment
Syntax:
Command
Description: Sets the temperature scale setting to [value] .
Example:
Response
Syntax:
Example:
Parameters
value: temperature scale code
F: fahrenheit
C: Celsius
Temperature settings communicated to the thermostat without a designated scale are read using the active temperature scale . Default values
are in bold .
TIME
Thermostat time
Permissions: Read/Write
Query
Syntax:
Command
Description: Requests the current time held by the thermostat .
Assignment
Syntax:
Command
Description: Sets the time to [hh] hours and [mm] minutes .
Example:
Response or
Syntax:
COS Message
Example:
Parameters
hh: hours in 24-hour format
mm: minutes
The thermostat has a real-time clock accurate to 1 minute every 30 days . The time can be set by though the Set Clock Screen . Hour and
minute values less than 10 must be prepended with a leading 0 . If the time is changed at the thermostat, a C13 COS unsolicited message is
issued (if C13 is ON) .
20
SN[#] SCALE?<CR>
SN[#] SCALE=[value]<CR>
SN1 SCALE=F<CR>
SN[#] SCALE=[value]<CR>
SN1 SCALE=F<CR>
Node address 1 responds with a temperature scale of Fahrenheit .
SN[#] TIME?<CR>
SN[#] TIME=[hh][mm]<CR>
SN1 TIME=1200<CR>
SN[#] TIME=[value]<CR>
SN1 TIME=1532<CR>
Node address 1 responds with a time of 3:32PM .
COS: N/A
Range
[F, C]
COS: C13
Range
[00 – 23]
[00 – 59]

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