PLC Application
• enables the user to perform automation tasks
• has an application memory of up to 1000K.
HMI Application
• The HMI application customizes the operator interface to:
• assign functions to the keypad keys
• enable the operator to enter data via the controller keypad
• create and display text, graphic images, and variable system
data on the ModCon75 screen in response to run-time
conditions.
• An HMI application can typically include up to 255 Displays, each
with the ability to display text, graphic images, and variables.
• Variables allow the user to display system data on the
ModCon75 LCD screen:
• bit, integer, and timer values
• times and dates
• I/O status and values
• text from the variable text display list.
• Variables can also use a graphic image or a bar graph to
represent a value or range of values.
• Typically, 12 fonts in a variety of languages may be installed
and used in text messages.
• When the VisiLogic program is complete, the programmer
downloads it into the controller.
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