Input specifications – Rockwell Automation 1746-NI8 SLC 500 Analog Input Module Instructions User Manual
Page 19

SLC 500™ Analog Input Module 19
Publication 1746-IN006A-US-P
Input Specifications
Description
Specification
Type of Input (Selectable)
±10V dc
1 to 5V dc
0 to 5V dc
0 to 10V dc
0 to 20 mA
4 to 20 mA
±20 mA
0 to 1 mA
Type of Data (Selectable)
Engineering Units
Scaled-for-PID
Proportional Counts (-32,768 to +32,767 range)
Proportional Counts (User Defined Range, Class 3 only)
1746-NI4 Data Format
Input Impedance
1 M
Ω
Voltage Input (maximum)
±
30V between any two signal terminals
Current Input (maximum)
30 mA
Time to Detect Open Circuit
1 module scan
Input Step Response
(1)
( 1 )
Depends on filter selected. Refer to the 1746-NI8 User Manual, publication 1746-6.8.
Input Resolution
1 mV or 1 µA
Display Resolution
1 mV or 1 µA
Overall Module Accuracy
(0°C to +60°C, +32°F to +140°F)
Voltage input types
(±10V dc, 1 to 5V dc, 0 to 5V dc, 0 to 10V dc): ±0.1%
Current Input Types
(0 to 20 mA, 4 to 20 mA, ±20 mA):±0.05%
Current Input Type (0 to 1 mA): ±0.5%
Overall Module Drift
Voltage input type: ±6 ppm/°C
Current Input Type: ±12 ppm/°C
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