ABB ProKiln GAC400 Operating Instruction page 72

72 ProKiln GAC400 PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
... 9 Operation
... Human Machine Interface (HMI)
Functions of HMI main menus
The following table outlines the functions of the main menus:
Menu Functions
Home Front screen displays current measured values, basic information,
and access to menu points
Operation Operating functions for start-up, maintenance, etc.
Alarms Displays current measured values, alarm and maintenance request,
alarm history and alarm acknowledgement, messages, and system
information, etc.
Trends Trend curves
Setup Setup for system optimization (limits, etc.), access permissions,
editing tolerance ranges, network settings, etc.
Login
Authentication is performed on the Login User screen. Without
user authorization, the operator can only access the dialogs in
the Alarm and Trend menu. For an overview of access
permissions in the various areas of the control system, please
refer to the section on Access permissions.
Navigation
The user navigates the interface at the bottom of the screen.
The Menu button goes back to the Home menu; the Back button
jumps to the previous menu. The Alarm button shows the
logbook containing all error messages, and historical messages.
Data entry
The menus of the operating software may contain pop-up
dialogs with user prompts. Following modes of data entry are
possible:
• Selection menus, e.g., to select a username
• On/off buttons, e.g., to open and close the shutter
• Pop-up input panel (on-screen keyboard alphanumeric), e.g.,
to enter the username
• Pop-up input panel (on-screen keyboard numeric), e.g., to
enter the password
Screens
The following list indicates the four basic screen types of the
control system:
• User interface: Home screen
• User interface: Operating screen
• User interface: Alarm screen
• User interface: Trend screen
• User interface: Setup screen