ABB REF 54 Series Technical Reference Manual page 70

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Technical Reference Manual, General
• graphical LCD display, with the resolution 128 x 160 pixels, consisting of 19
rows divided into two windows
• main window (17 rows) providing detailed information on MIMIC, objects,
events, measurements, control alarms and parameters of the terminal
• assisting window (2 rows) for terminal-dependent protection indications and
alarms, and for general help messages
• three push-buttons for object control
• eight freely programmable alarm LEDs with different colors and modes
according to the configuration (off, green, yellow, red, steady, blinking)
• LED indicator for control test and interlocking
• three protection LED indicators
• HMI push-button section with four arrow buttons and buttons for clear [C] and
enter [E]
• optically isolated serial communication port
• backlight and contrast control
• freely programmable button [F]
• button for remote/local control (Control position button [R\L])
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The HMI has two main levels, the user level and the technical level. The user level
is for "everyday" measurements and monitoring whereas the technical level is
intended for advanced feeder terminal programming.
1MRS750527-MUM