19.6.3
Connecting the thermostat to the PC .................................................................................................................. 118
19.6.4
Where is the ECO Virtual COM Port? ................................................................................................................ 120
19.7 Commands and error messages applicable to the RS 232/485 interface module and to the Ethernet interface 122
19.7.1
Interface write commands (data issued to the thermostat) ................................................................................ 122
19.7.2
Interface read commands ....................................................................................................................................... 123
19.7.3
Interface error messages ........................................................................................................................................ 126
19.7.4
Driver software for LABVIEW® ........................................................................................................................... 126
19.8 Contact module ............................................................................................................................................................... 127
19.8.1
Contact module LRZ 914 with 1 input and 1 output ......................................................................................... 127
19.8.2
Contact module LRZ 915 with 3 inputs and 3 outputs ...................................................................................... 128
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