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CONTROL PANEL
ETV 1591-H
24.03.2015
Page 11
4.2
Rear Connectors
X1/X2:
battery / supply
X3/X4:
digital in / outputs
X1 - power plug
Pin
Function
1
+24 V DC DIG IOs
2
+24 V DC
3
GND
4
GND
X2 - battery
Pin
Function
1
NTC 1
2
Batt +
3
Batt -
4
NTC 2
X4 - Output
Pin
Function
1
output 1
2
output 2
3
output 3
4
output 4
X3 - Input
Pin
Function
1
input 1
2
input 2
3
input 3
4
input 4