Rockwell Automation FactoryTalk Historian SE DataLink 4.2 User Guide User Manual
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Contents
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vii
Troubleshooting ............................................................... 106
FactoryTalk Historian Menu Not Available ............................ 106
Array and Cell Limits ..................................................... 107
Row Limitations ........................................................... 107
Security ..................................................................... 108
FactoryTalk Historian Security .......................................... 108
FactoryTalk Historian DataLink Function Reference ........ 111
Single Value Functions ....................................................... 111
PICurrVal() .................................................................. 111
PIArcVal() ................................................................... 112
PIExpVal() ................................................................... 113
Multiple Value Functions ..................................................... 114
PINCompDat() .............................................................. 114
PINCompFilDat() ........................................................... 115
PICompDat() ................................................................ 116
PICompFilDat() ............................................................. 117
PISampDat() ................................................................ 118
PISampFilDat() ............................................................. 119
PIExpDat() .................................................................. 121
PITimeDat() ................................................................ 122
PITimeExpDat() ............................................................ 123
Calculation Functions......................................................... 124