Digital Inputs - Emerson Dixell IEV22D Manual

Supercap connector
41 +In
42 gnd
HotKey 4K connector
This connector is used to connect the HotKey to upload or download the configuration parameters.
Valve connector
Set the programming of the configuration parameters before connecting the valve; the connection of a
valve with features not compatible with the model set in the device can result in a failure of the device or
to the valve
Do not connect or disconnect the valve while the device is connected to the power; this operation may
result in the breakdown of the device
Valve 1 connections
Terminal Type
5 +12V
1 W1
3 W1
2 W2
4 W2
Valve 2 connections
Terminal Type
5 +12V
1 W1
3 W1
2 W2
4 W2

5. Digital inputs

The device has 4 digital inputs that can be configured via parameters that involve the following
functions:
0 : not configured
o1 : call to adjust circuit 1 - active by an open contact
c1 : call to adjust circuit 1 - active by a closed contact
o2 : circuit 1 cooling/heating function - active by an open contact
c2 : circuit 1 cooling/heating function - active by a closed contact
1592026260 IEV22-24D GB r.1.0 21.02.2019
Input from XEC Supercap
Ground XEC Supercap
Description
Voltage output +12Vdc
Connection to valve 1 (first coil)
Connection to valve 1 (first coil)
Connection to valve 1 (second coil)
Connection to valve 1 (second coil)
Description
Voltage output +12Vdc
Connection to valve 2 (first coil)
Connection to valve 2 (first coil)
Connection to valve 2 (second coil)
Connection to valve 2 (second coil)
IEV 21/60