B&R AT660 3AT660.6 Short description

I/O module：8 inputs in 2 groups for thermocouples

AT660 3AT660.6 Power consumption

24 VDC 4.75 W

5 VDC 1.25 W

Total 6.0 W

AT660 3AT660.6 Thermocouple temperature inputs:

Input:Thermocouple

Digital converter resolution:Internal >14-bit (23841 internal ADC converter values at 20 ms)

AT660 3AT660.6 Conversion time:

16.67 ms measurement time:116.68 ms including internal terminal temperature compensation

20 ms measurement time:130 ms including internal terminal temperature compensation

AT660 3AT660.6 Sensor temperature:

FeCuNi: Type J:-200 to 950°C

FeCuNi: Type L:-200 to 900°C

NiCrNi: Type K:-200 to 1300°C

Raw value:-15 to +55 mV

Terminal temperature compensation:Can be both internal and external

AT660 3AT660.6 Basic accuracy:

Type J: Fe-CuNi:±0.5% at 25°C

Type L:±0.5% at 25°C

Type K: NiCr-Ni:±0.8% at 25°C

AT660 3AT660.6 Terminal temperature compensation:

External:-100 to 200°C

Internal:-20 to 80°C

Input protection:Protection against wiring with supply voltage

AT660 3AT660.6 Operating conditions:Degree of protection per EN 60529-IP20

AT660 3AT660.6 Temperature:

Operation:0 to 60°C

Storage:-25 to 70°C

AT660 3AT660.6 Relative humidity

Operation:5 to 95%