User Guide

Table of Contents
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ViewStat Communicating Thermostat - Programming Protocol Reference Guide
Table of Contents
ViewStat Programming Protocol .............................................................................1
Network Communication ................................................................................................... 1
Explicit Address Commands .................................................................................................... 1
Global Address Commands ..................................................................................................... 2
Unsolicited Responses............................................................................................................. 2
Multiple Commands ................................................................................................................. 3
Network Override or Hold.................................................................................................. 4
How to Detect When a Thermostat Has Gone Off-line ............................................................ 4
Command Set Syntax ....................................................................................................... 5
Command Response Syntax............................................................................................. 5
Programming Quick Reference ......................................................................................... 6
Communication Control Commands ............................................................................... 10
Thermostat Sensing Commands.................................................................................... 15
Thermostat HVAC Operational Commands .................................................................... 18
Text Messaging Commands............................................................................................ 25
Text Messaging Support Characters...................................................................................... 25
Keypad Lockout Commands ........................................................................................... 30
Auxiliary Information Commands .................................................................................... 33