ABB RET 54 Series Technical Reference Manual, General page 86

RET 54_
86
Transformer Terminal
Technical Reference Manual, General
• 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 and position button [R\L])
Fig. 5.1.15.-1 Front view of the RET 54_ transformer terminal
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 transformer terminal programming.
1MRS755225
RETface