README.md

tt-status

A small test program using libmodbus to show status of a Triangle Tube boiler

Help

$ tt-status -h
Usage: tt-status [-h] [-d] [-S slave] [-s serial port][-i ip addr [-p port]]

-h      Show this help
-d      Enable debug
-S      Modbus slave ID, default 1
-s      Serial Port Device for ModBus/RTU
-i      IP Address for ModBus/TCP
-p      TCP Port for ModBus/TCP (optional, default 502)

Example

$ tt-status -i 10.0.0.122
Status:
 Standby
Supply temp:            105 °F
Return temp:            100 °F
DHW Storage temp:       118 °F
Flue temp:               87 °F
Outdoor temp:            41 °F
Flame Ionization:         0 μA
Firing rate:              0 %
CH1 Maximum Setpoint:   141 °F
DHW Setpoint:           123 °F

##See also:

• http://sandeen.net/modbus-boiler/
• http://sandeen.net/wordpress/energy/residential-boiler-monitoring-via-modbus/