21
Publication 1747-SG001D-EN-P — January 2009
16-Channel Input Modules
Cat. No.
Backplane Current (mA) at 5V
Backplane Current (mA) at 24V
Backplane Power Consumption
Isolation Voltage
Number of Inputs
Resolution
A/D Conversion Method
Common Mode Voltage Range
Input Filter Frequencies
Type of Input (Selectable)
Type of Data (Selectable)
Input Impedance
Maximum Voltage Input without Damage
Current Input (maximum)
Time to Detect Open Circuit
Input Resolution
Display Resolution
Module Error Over Full Operating Temperature Range
Input Offset Drift with Temperature
Gain Drift with Temperature
Calibration Accuracy at 25 °C
Calibration
General Input Specifications for 16-Channel Modules
1746-NI16I
1746-NI16V
125 mA
125 mA
75 mA
75 mA
2.425 W maximum (0.625 W at 5V dc, 1.8 W at 24V dc)
2.425 W maximum (0.625 W at 5V dc, 1.8 W at 24V dc)
Tested at 500V ac and 710V dc for 60 seconds
Tested at 500V ac and 710V dc for 60 seconds
16
16
16-bit
16-bit
Sigma Delta
Sigma Delta
±10.25V relative to the analog common terminal (20.5V maximum
between any two signal terminals)
±10.25V relative to the analog common terminal (20.5V maximum
between any two signal terminals)
6 Hz
10 Hz
20 Hz
40 Hz
60 Hz
80 Hz
100 Hz
250 Hz
6 Hz
10 Hz
20 Hz
40 Hz
60 Hz
80 Hz
100 Hz
250 Hz
0…20 mA
±20 mA
4…20 mA
0…1 mA
±10V dc
0…5V dc
1…5V dc
0…10V dc
Engineering Units
Scaled for PID
Proportional Counts (-32,768…32,767 range)
Proportional Counts (User-Defined Range, Class 3 only)
1746-NI4 Data Format
Engineering Units
Scaled for PID
Proportional Counts (-32,768…32,767 range)
Proportional Counts (User-Defined Range, Class 3 only)
1746-NI4 Data Format
249
Ω
20
Ω
±8V between analog common and any input terminal
±30V between any two signal terminals
±30 mA between analog common and any input terminal
±30 mA between analog common and any input terminal
less than 5 s
less than 5 s
640 nA
312
μ
V
0.3%
0.1%
0.08% of full scale at 25 °C (77 °F)
0.15% of full scale at 60 °C (140 °F)
0.08% of full scale at 25 °C (77 °F)
0.15% of full scale at 60 °C (140 °F)
360 nA/°C
90
μ
V/°C
20 ppm/°C
15 ppm/°C
better than 0.15% of range
better than 0.05% of range
Factory calibrated
Factory calibrated
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AoteWell International.inc
Tel: +852-6563-2160