AMX ENV-VST-C Thermostat User Manual


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Programming
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ENV-VST-C - Operation / Reference Guide
Programming
Overview
The ViewStat Color Communicating Thermostat supports the commands listed below. All commands supported by the
thermostat are common and expected from all AxLink devices.
SEND_COMMANDs
SEND_COMMANDs
CLOCK Sets the thermostat’s date and time. Includes the current date and time in 24-hour format. Uses the current
date and time to compute the current day of the week.
Syntax:
SEND_COMMAND ’CLOCK <mm-dd-yy> <hh:mm:ss>’
Variables:
dd-mm-yy = 8 bytes with values separated by the character ’-’
dd = day with values 01-31
mm = month with values 01-12
yy = year with values 00-99
hh:mm:ss = 8 bytes with values separated by the character ’:’
hh = hours with values 00-23
mm = minutes with values 00-59
ss = seconds with values 00-59
Example:
SEND_COMMAND ’CLOCK 03-28-07 05:30:07’
Sets the date and time to March 28, 2007 5:30:07 AM.
MESSAGE Sends a message that appears on the thermostat. Creates a pop-up screen with a message written in text.
The user can exit the message screen by pressing Mode/Select.
Syntax:
SEND_COMMAND ’MESSAGE <DISP|CLEAR> "<TEXT>"’
Variables:
DISP = Indicates a message should be displayed with TEXT
CLEAR = Indicates the message should be cleared from the screen and thermostat operation returns to
normal
TEXT = a string with the contents of the message
Examples:
SEND_COMMAND ’MESSAGE DISP "Welcome to the Plaza Hotel"’
SEND_COMMAND ’MESSAGE CLEAR’
RESET Cycles power to the device so the user does not have to be physically present to reboot the device.
Syntax:
SEND_COMMAND ’RESET’
SLEEP Activates screen saver mode. Sets the display to inactive brightness.
Syntax:
SEND_COMMAND ’SLEEP’
VER Requests firmware version. Sent by the Master to request the thermostat’s firmware version. The thermostat
responds to the Master with a command in the form of ’vX.XX’ (e.g. v1.02).
Syntax:
SEND_COMMAND ’VER’
Example:
SEND_COMMAND ’VER’
Master requests version number of the device.
SEND_COMMAND ’v1.02’
Device response with version 1.02.
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