Rockwell Automation 1746-NT4 SLC 500 Thermocouple/mV Input Module Installation Instructions - Manual (Page 22)

22 SLC™ 500 4-Channel Thermocouple/mV Input Module
Publication 1746-IN010D-EN-P - June 2004
Thermocouple/mV Input Module Accuracy
Filter Frequency and Step Response Time
Channel Sampling Time for Each Filter Frequency
Input Type
With Autocalibration
(1)
(1) Assumes the module terminal block temperature is stable.
Without Autocalibration
(1)
Maximum Error at
+25°C Maximum Error at
+77°F Temperature Drift
(0°C to +60°C)
J ±1.06°C ±1.91°F ±0.0193°C/°C, °F/°F
K ±1.72°C ±3.10°F ±0.0328°C/°C, °F/°F
T ±1.43°C ±2.57°F ±0.0202°C/°C, °F/°F
E ±0.72°C ±1.3°F ±0.0190°C/°C, °F/°F
S ±3.61°C ±6.5°F ±0.0530°C/°C, °F/°F
R ±3.59°C ±6.46°F ±0.0530°C/°C, °F/°F
B ±3.12°C ±5.62°F ±0.0457°C/°C, °F/°F
N ±1.39°C ±2.5°F ±0.0260°C/°C, °F/°F
±50 mV ±50 µV ±50 µV ±1.0 µV/°C, ±1.8 µV/°F
±100 mV ±50 µV ±50 µV ±1.5 µV/°C, ±2.7 µV/°F
Filter Frequency
50 Hz NMR
(1)
(1) Normal Mode Rejection
60 Hz NMR
1 Cut-Off
Frequency Step Response
10 Hz 100 dB 100 dB 2.62 Hz 300 msec
50 Hz 100 dB - 13.1 Hz 60 msec
60 Hz - 100 dB 15.72 Hz 50 msec
250 Hz - - 65.5 Hz 12 msec
CJC Update Time
Channel Sampling Time
(1)
(1) all values ±1 msec
250 Hz Filter 60 Hz Filter 50 Hz Filter 10 Hz Filter
14 msec 12 msec 50 msec 60 msec 300 msec