Spectrum Controls 1746sc-NI8u User Manual
Page 10
vi
SLC 500
™
Universal Analog Input Modules
Channel
Configuration, Data,
and Status
Chapter 4
Channel Configuration ......................................................................................... 35
Channel Configuration Procedure ...................................................................... 36
Channel Data Word Resolution ........................................................................... 42
Channel Data/Status Word .................................................................................. 45
Channel Status Checking .................................................................................... 45
Programming
Examples
Chapter 5
Initial Programming ............................................................................................... 51
Dynamic Programming ........................................................................................ 53
Verifying Channel Configuration Changes ......................................................... 54
Interfacing to the PID Instruction ........................................................................ 56
Monitoring Channel Status Bits .......................................................................... 57
Testing Your Module
Chapter 6
Module and Channel Diagnostics ....................................................................... 63
LED Indicators ....................................................................................................... 64
Interpreting I/O Error Codes ................................................................................ 66
Verifying With Test Instrumentation..................................................................... 67
Maintaining Your
Module
And Ensuring Safety
Chapter 7
Preventive Maintenance ....................................................................................... 69
Safety Considerations .......................................................................................... 69
Appendices
Appendix A : Module Specifications
Electrical Specifications ....................................................................................... 73
Physical Specifications ......................................................................................... 74
EnvironmentalSpecifications ............................................................................... 74
Input Specifications .............................................................................................. 74
Appendix B: Thermocouple Descriptions .......................................................... 91
J Type Thermocouples ......................................................................................... 91
K Type Thermocouples ......................................................................................... 93
T Type Thermocouples ......................................................................................... 95
E Type Thermocouples ......................................................................................... 97
R Type Thermocouples ........................................................................................ 99
S Type Thermocouples ...................................................................................... 100
B Type Thermocouples ...................................................................................... 102
N Type Thermocouples ..................................................................................... 103
References ......................................................................................................... 106