Power supply 
 
24/115/230Vac ±15% 50/60Hz  
(selction by internal jumper) 
Default selection: 230 Volt 
 
Version ATR620-xxABC 
Set SW1 as in the drawing beside to select 
proper power supply  
 
Analog input AN1 
 
Thermocouples type K, S, T, R, J, E 
•  Respect polarity 
•  When extending thermocouples be sure to 
use the correct extension/compensating 
cable 
 
 
PT100, NI100 
•  For a three-wire wiring use cables with 
the same diameter 
•  For two-wire wiring, short-circuit 
terminals 14 and 15 
1
2
3
 
 
Analog input AN2 
 
 
Thermocouples type K, S, T, R, J, E 
•  Respect polarity 
•  When extending thermocouples be sure to 
use the correct extension/compensating 
cable  
Signals 0-1V, 0-10V, 0-20mA, 4-20mA  
•  Respect  polarity