Rockwell Automation 1746-NT8 SLC 500 Thermocouple/mV Analog Input Module User Manual - Manual (Page 83)

Publication 1746-UM022B-EN-P - January 2005
Module Specifications A-3
Input Specifications
Type of Input (Selectable)
Thermocouple Type J -210°C to +760°C (-346°F to +1400°F)
Thermocouple Type K -270°C to +1370°C (-454°F to +2498°F)
Thermocouple Type T -270°C to +400°C (-454°F to +752°F)
Thermocouple Type E -270°C to +1000°C (-454°F to +1832°F)
Thermocouple Type R 0°C to +1768°C (+32°F to +3214°F)
Thermocouple Type S 0°C to +1768°C (+32°F to +3214°F)
Thermocouple Type B +300°C to +1820°C (+572°F to +3308°F)
Thermocouple Type N 0°C to +1300°C (+32°F to +2372°F)
Millivolt (-50mV dc to +50mV dc)
Millivolt (-100mV dc to +100mV dc)
Thermocouple Linearization NIST ITS-90 standard
Cold Junction Compensation Accuracy ±1.72°C, -25°C to +105°C
Module Input Impedance Greater than 10MW
Input Device Impedance Output impedance of input device must be less than 100 ohm to meet
accuracy specifications.
Temperature Scale (Selectable) °C or °F and 0.1°C or 0.1°F
DC Millivolt Scale (Selectable) 0.1 mV or 0.01 mV
Open Circuit Detection (Selectable) Upscale, Downscale, Zero, or Disabled
Time to Detect Open Circuit One channel cycle time
Input Step Response 0 to 95% in 400 ms (10 Hz)
Display Resolution See Channel Data Word Resolution table on page 4-8
Overall Module Accuracy at 257°C (77°F) See Module Accuracy Tables, page A-6
Overall Module Accuracy See Module Accuracy Tables, page A-6
Overall Module Drift See Module Accuracy Tables, page A-6
Module Update Time Dependent upon enabled channels (see Update Time, page 3-7)
Channel Turn-Off Time Up to one module update time