Rockwell Automation AB quality Allen-Bradley 1746-INT4 User Manual page 81

Attribute
Temperature scale
(selectable)
Millivolt scale, dc
(selectable)
Open-circuit detection
leakage current
Open-circuit detection
(selectable)
Time to detect open-circuit
Input step response
Input resolution
Display resolution
Overall module accuracy @
25 °C (77 °F)
Overall module accuracy
(0... 60 °C, 32...140 °F)
Overall module drift
Module update time
Channel turn-off time
Overall Accuracy
We define overall accuracy to include variances in cold-junction
compensation, calibration, non-linearity, and resolution.
Input Type (1)
Max Error
@ 25 °C
J ±1.60 °C
K ±3.80 °C
T ±2.05 °C
E ±2.40 °C
S ±2.38 °C
R ±2.23 °C
B ±3.83 °C
Value
°C or °F and 0.1 °C or 0.1 °F
0.1 mV or 0.01 mV
20 nA typical
Upscale, downscale, or zero
5 s, typical
0...99.9% in 600 ms (worst case)
See Input Resolution Graphs on following pages. They show
the smallest measurable value based on combined
hardware and software tolerances.
See Channel Data Word Resolution table on page 51.
See Module Accuracy Table below.
See Module Accuracy Table below.
See Module Accuracy Table below.
Less than 500 ms
Up to one module update time
(1)
Max Error
@ 77 °F
±2.88 °F
±6.84 °F
±3.69 °F
±4.32 °F
±4.29 °F
±4.02 °F
±6.90 °F
Publication 1746-UM614B-EN-P - September 2007
Module Specifications 81
(1)
Temperature Drift
(0... 60 °C)
±0.042 °C/°C, °F/°F
±0.096 °C/°C, °F/°F
±0.025 °C/°C, °F/°F
±0.058 °C/°C, °F/°F
±0.131 °C/°C, °F/°F
±0.130 °C/°C, °F/°F
±0.109 °C/°C, °F/°F