User manual

63 Publication 1734-UM015A-EN-E - November 2009
Chapter 7
DeviceLogix Capabilities
About This Chapter
This chapter lists the DeviceLogix capabilities supported by the POINT I/O
DeviceLogix and ArmorPOINT I/O DeviceLogix modules.
Function Block Instructions
The module can support up to 144 function blocks. These function blocks are
categorized in the following manner:
• Process
• Filter
• Select/Limit
• Statistical
• Timer/Counter
• Comparison
• Compute
• Move/Logical
Process Category
The process category includes the following instruction types:
• Alarm
• Timing Diagnosis
Alarm
The Alarm function block initiates an alert based on the comparison between
the input value and the threshold. The output of the DeviceLogix Alarm
function block contains these alerts.
• High-High alarm
• High alarm
• Low alarm
• Low-Low alarm