Rockwell Automation 1746-NI8 SLC 500 Analog Input Modules User Manual - Manual (Page 77)

Variable Content TTL:Chap A–2
Publication 1746Ć6.8 - April 1997
Description Specification
Operating Temperature
0 ° C to 55 ° C (32 ° F to 131 ° F) in any slot except slot 0
0 ° C to 60 ° C (32 ° F to 140 ° F) in right most slot of chassis
Storage Temperature -40 ° C to + 85 ° C (-40 ° F to + 185 ° F)
Relative Humidity 5% to 95% (without condensation)
Certification
UL listed
CSA approved
CE compliant for all applicable directives
Hazardous Environment Classification Class I Division 2 Hazardous Environment
Description Specification
Type of Input (Selectable)
" 10V dc
1-5V dc
0-5V dc
0-10V dc
0-20 mA
4-20 mA
" 20 mA
0-1 mA
Type of Data (Selectable)
Engineering Units
ScaledĆforĆPID
Proportional Counts (-32,768 to +32,767 range)
Proportional Counts (User Defined Range, Class 3 only)
1746ĆNI4 Data Format
Input Impedance 1 MW
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 See Chapter 4, Channel Filter Frequency Selection, page 4-7
Input Resolution 1 mV or 1 µ A
Display Resolution 1 mV or 1 µ A
Overall Module Accuracy
(0 ° C to 60 ° C, 32 ° F to 140 ° F)
Voltage input types ( " 10V dc, 1-5V dc, 0-5V dc, 0-10V dc): ± 0.1%
Current input types (0-20 mA, 4-20 mA, " 20 mA): ± 0.05%
Current input type (0-1 mA): ± 0.5%
Overall Module Drift
Voltage input type: ± 6 ppm/ ° C
Current input type: ± 12 ppm/ ° C
Module Update Time See Chapter 4, Update Time, page 4-5
Channel TurnĆOn Time See Chapter 4, TurnĆOn Time, page 4-6
Channel TurnĆOff Time See Chapter 4, TurnĆOff Time, page 4-6
Channel Reconfiguration Time See Chapter 4, Reconfiguration Time, page 4-6
Environmental Specifications
Input Specifications