ABB RET 54 Series - Page 86

86
1MRS755225
Transformer Terminal
Technical Reference Manual, General
RET 54_
• 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])
RETface
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.
Programmable LEDs
Object control buttons:
Close / Raise
Open / Lower
Select
Control position button
Optical PC
connector
Freely programmable
button
Control test &
Interlocking LED
Protection LED indicators:
Left: Ready, IRF, Test mode
Middle: Start, Block
Right: Trip, CBFP
Graphical
LCD display
Main window Assisting window
Enter/Return Clear/CancelNavigation
buttons
RET 541
Uaux = 80...265 Vdc/ac
fn = 50 Hz
In = 1/5 A (I)
1MRS xxxxxx
98150
9509
Ion = 1/5 A (Io)
Un = 100/110 V (U)
Uon = 100/110 V (Uo)
Q1
Q9
Q4
Q0
AVR
AUT
PAR
ON
0 . 0 A
0 . 0 A
0 . 0 kW
0 . 0 A Io
0POS