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6.8 I/O Overview
This menu allows the user to monitor all analog/digital inputs and outputs of the controller. The list can be different for each
specific AHU as it depends on the installed components of the unit which are
activated during the commissioning.
HMI Path: Main Menu -> I/O overview
Parameters
Description
Digital inputs
Monitor all digital inputs of the controller.
Digital inputs can be connected to alarm signals coming from different installed
devices in the AHU (Fan, Damper, Pressure Switch, Water Pump, etc…), or to
external switches (Emergency stop, Unit enable).
Analog inputs
Contains the values of all installed sensors: temperature, pressure, air flow,
CO
2
, humidity.
Digital outputs
Contains the values of all digital outputs used to command the several devices
of the AHU (ERQ on/off, Pump on/off, Fan on/off, etc
…).
Analog outputs
Contains the values of all analog outputs used to command different devices of
the AHU (Fan speed, damper opening, percentage of heat recovery, etc
…).
