Specifications

Publication 1747-SG001E-EN-E - February 2013
24 Select SLC 500 I/O Modules
16-Channel Input Modules
General Input Specifications for 16-Channel Modules
Attribute 1746-NI16I 1746-NI16V
Backplane current (mA) @ 5V 125 mA 125 mA
Backplane current (mA) @ 24V 75 mA 75 mA
Backplane power consumption 2.425 W max
(0.625 W @ 5V DC, 1.8 W @ 24V DC)
2.425 W max (0.625 W @ 5V DC, 1.8 W @ 24V DC)
Isolation voltage Tested @ 500V AC and 710V DC for 60 s
Number of inputs 16
Resolution 16-bit
A/D conversion method Sigma Delta
Common mode voltage range ±10.25V relative to the analog common terminal
(20.5V maximumbetween any two signal terminals)
±10.25V relative to the analog common terminal (20.5V
maximum between any two signal terminals)
Input filter frequencies 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
Type of Input (selectable) 0…20 mA
±20 mA
4…20 mA
0…1 mA
±10V DC
0…5V DC
1…5V DC
0…10V DC
Type of data (selectable) 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
Input impedance 249 Ω 20 Ω
Maximum voltage input without
damage
±8V between analog common and any input
terminal
±30V between any two signal terminals
Current input (maximum) ±30 mA between analog common and any input
terminal
±30 mA between analog common and any input terminal
Time to detect open circuit less than 5 s less than 5 s
Input resolution 640 nA 312 μV
Display resolution 0.3% 0.1%
Module error over full operating
temperature range
0.08% of full scale @ 25 °C (77 °F)
0.15% of full scale @ 60 °C (140 °F)
0.08% of full scale @ 25 °C (77 °F)
0.15% of full scale @ 60 °C (140 °F)
Input offset drift with temperature 360 nA/°C 90 μV/°C
Gain drift with temperature 20 ppm/°C 15 ppm/°C
Calibration accuracy @ 25 °C better than 0.15% of range better than 0.05% of range
Calibration Factory calibrated.