Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 7)

Publication 1746-UM005B-EN-P - June 2004
Table of Contents iii
Calculating the Shifted Linear Relationship . . . . . . . . . . 6-15
Using Standard Math . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Using the Scale with Parameters (SCP) Instruction . . . . . 6-18
Scaling and Range Checking and Analog Inputs and
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
Calculating the Linear Relationship . . . . . . . . . . . . . . . . 6-21
Using Standard Math Instructions . . . . . . . . . . . . . . . . . 6-22
Scaling and Range Checking of Analog Inputs and
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
Using SCL Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
Using the Scale with Parameters (SCP) Instruction . . . . . 6-26
Chapter 7
Maintenance and Safety Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Safety Considerations When Troubleshooting . . . . . . . . . . . 7-2
Appendix A
Specifications Analog Modules Specification . . . . . . . . . . . . . . . . . . . . . . A-1
General Specifications for NI4, NIO4I, NIO4V, NO4I, and
NO4V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
General Analog Input Specifications for NI4, NIO4I, and
NIO4V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Current-Loop Input Specifications for NI4, NIO4I, and
NIO4V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Voltage Input Specifications for NI4, NIO4I, and NIO4V . . . A-4
Current Output Specifications for NIO4I and NO4I . . . . . . . A-5
Voltage Output Specifications for NIO4V and NO4V. . . . . . A-6
Appendix B
Two’s Complement Binary
Numbers Positive Decimal Values . . . . . . . . . . . . . . . . . . . . . . . . A-1
Negative Decimal Values . . . . . . . . . . . . . . . . . . . . . . . A-2
Appendix C
Optional Analog Input Software
Calibration Calibrating an Analog Input Channel . . . . . . . . . . . . . . . . . A-1
Calculating the Software Calibration . . . . . . . . . . . . . . . A-2
Appendix D
Module Input and Output Circuits
Index