User guide
Dokument 
IMA 201 
Rev 
2 
Page 
2 (4)
Electrical connections 
The power supply has to be connected to   and  .    is considered as system 
ground. The same ground reference has to be used for the CF3-W-EU unit and for the 
DDC/signal receiver.  
PLEASE NOTE! 
The same ground reference has to be used for the CF3-W-
EU 
 unit and for the control system! 
Terminal 
Function 
Electrical data 
Remarks 
Standard settings 
Remarks 
Settings of 
this sensor 
Power (+) 
Power 
ground (-) 
24 VAC/DC+  
(+-20%), 2W 
24 VAC/DC- 
System voltage 
reference 
Out(1) 
Out(2) 
Analogue 
output 1 (+) 
Analogue 
output 2 (+) 
0-10 VDC 
2,0-10,0 VDC or  
4,0-20,0 mA 
0,9-1,6 VDC or 
1.5-2,5 mA 
0 VDC or 0mA 
0-2000 ppm CO
2
0-2000 ppm CO
2 
Status = ERROR 
Status = NOT READY 
Table I. Connections of the main terminal of CF3-W-EU  
Figure 2. PCB with jumper to configure OUT2 for current output 4-20mA or voltage output 2-
10VDC
~
+
~
+
Option display
+
~




