Allen-Bradley 1794-IF4I - Table of Contents

Publication 1794-6.5.8 - January 2010
Table of Contents 9
4 Output Isolated Analog Module (Cat. No. 1794-OF4I) Image
Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Isolated Analog Combo Module (Cat. No. 1794-IF2XOF2I)
Image Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . 113
Chapter
Calibrating Your Module
Chapter Objective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
When and How to Calibrate Your Isolated Analog Module . 119
Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Calibrating Your Isolated Analog Input Module . . . . . . . . . 121
Bits Used During Calibration . . . . . . . . . . . . . . . . . . . . 121
Offset Calibration for Inputs . . . . . . . . . . . . . . . . . . . . . 122
Setting the Input Gain . . . . . . . . . . . . . . . . . . . . . . . . . 124
Calibrating Your Isolated Analog Output Module . . . . . . . . 125
Bits Used During Calibration . . . . . . . . . . . . . . . . . . . . 125
Calibrating Voltage Outputs . . . . . . . . . . . . . . . . . . . . . 126
Offset Calibration for Voltage Outputs 126
Gain Calibration for Outputs 127
Calibrating Current Outputs . . . . . . . . . . . . . . . . . . . . . 128
Gain Calibration for Current Outputs 128
Offset Calibration for Current Outputs 128
Final Gain Calibration for Current Inputs 130
Scaling Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Scaling Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Appendix
Specifications
Filter Response for 150Hz, 300Hz and 600Hz Conversion 134
Appendix
Class I, Division 2, Group A, B, C, D
Hazardous Locations Statement
Index