Spectrum Controls 1756sc-OF8H Series A - Manual (Page 8)

viii ControlLogix ™ Universal Analog Input Modules
Figure 8.3a (IF8H HART Message Ladder).......................................................... 106
Figure 8.3b (IF8H HART Message Ladder) ......................................................... 107
Figure 8.3c (IF8H HART Message Ladder).......................................................... 108
Figure 8.3d (IF8H HART Message Ladder) ......................................................... 109
Figure 8.3e (IF8H HART Message Ladder).......................................................... 110
Figure 8.4a (OF8H HART Message Ladder) ........................................................ 111
Figure 8.4b (OF8H HART Message Ladder) ........................................................ 112
Figure 8.4c (OF8H HART Message Ladder) ........................................................ 113
Figure 8.4d (OF8H HART Message Ladder) ........................................................ 114
Figure 8.4e (OF8H HART Message Ladder) ........................................................ 115
Swap Byte Ladder ................................................................................................ 115
Figure 8.5 (Converting a FLOAT Value To Its 4 byte HART Equivalent) ............ 115
Converting Unpacked ASCII to Packed ASCII .................................................... 116
Figure 5.6a (Packed ASCII) ................................................................................... 117
Figure 5.6b (Packed ASCII) .................................................................................. 118
Troubleshooting
119 Using Module Indicators to Troubleshoot .......................................................... 119
Using RSLogix 5000 to Troubleshoot Your Module ............................................ 120
Module Configuration Errors ............................................................................... 121
Maintaining Your
Module
And Ensuring Safety
129
Preventive Maintenance ...................................................................................... 129
Safety Considerations .......................................................................................... 129
1756sc-IF8H Module
Specifications 133
Electrical Specifications
1756sc-IF8H .......................................................................................................... 133
1756sc-OF8H
Module
Specifications
135
Specifications
1756sc-OF8H ........................................................................................................ 135
Programming Your
Module 137
Module Installation .............................................................................................. 137
Adding Your Module to a Project ........................................................................ 137
Additional HART
Protocol Information
143
Overview ............................................................................................................... 143
Message Structure ............................................................................................... 144
Universal Commands ............................................................................................ 146
Common Practive Commands ............................................................................... 148
Status .................................................................................................................... 152
Response Codes ................................................................................................... 152
Declaration of Conformity .................................................................................... 155