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Detailed selection guide for HMI devices

The ideal HMI for your application depends on various factors:

  • Display resolution
  • Memory required for the visualization project
  • Number of drivers used in parallel
  • System coupling, i.e., number of connected controllers
  • Number of variables (tags)
  • Polling rate of the variables
  • Number of local scripts
  • Number and frequency of logs (data logging)

Resolution of the display

Basic applicationsStandard applicationsHigh-end applications
Recommended display (resolution)With VGA (640 x 480 pixels)With SVGA (800 x 600 pixels)With SXGA (1280 x 1024 pixels)
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Memory required for visualization

Basic applicationsStandard applicationsHigh-end applications
Maximum number of pages1664256
Maximum number of objects per page32128512
Maximum number of scalable objects per page3264
Maximum number of animated objects per page1 per page5 per page5 per page
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System coupling and communication

 Basic applicationsStandard applicationsHigh-end applications
Polling rate1000 ms500 ms250 ms
Maximum number of drivers that can be used in parallel1 x Ethernet1 plus OPC communication2 plus OPC communication
Maximum number of PLCs per driver used125
Maximum number of PLCs connected at the same time1510
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VBA scripts and IL logic (instruction list)

Basic applicationsStandard applicationsHigh-end applications
Maximum number of scripts4816
Can be executed simultaneously124
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Number and frequency of logs (data logging)

Basic applicationsStandard applicationsHigh-end applications
Maximum number of pens4816
Maximum number of data loggers per project1632
Scan time1 s1 s
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Alarm management/dispatcher

Basic applicationsStandard applicationsHigh-end applications
Maximum number of alarms1285121024
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Events

Basic applicationsStandard applicationsHigh-end applications
Maximum number of event objects1664128
Maximum number of schedulers64128
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Recipes

Basic applicationsStandard applicationsHigh-end applications
Maximum number of recipes per project81632
Maximum number of columns per recipe832 (maximum 90 with IMDB)128 (maximum 90 with IMDB)
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Reporting

Basic applicationsStandard applicationsHigh-end applications
Textual reportingYesYes
Graphical reportingYes
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User management

Basic applicationsStandard applicationsHigh-end applications
Maximum number of users165121024
Maximum number of user groups41664
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Language selection

Basic applicationsStandard applicationsHigh-end applications
Maximum number of languages41632
Online language selectionYesYesYes
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