ABB REF 54 Series, Operator'S Manual, Page: 7 / 36

1MRS 750500-MUM
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Operator’s Manual
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7
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In idle mode, the MIMIC view with the configuration picture (designed with the
Relay Configuration Tool and the Relay Mimic Editor) is shown in the main
window.
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The backlight of the display is normally off.
• To turn on the backlight, press a button on the HMI.
After the preset time-out (backlight time), the backlight goes off if there has been no
activity on the panel. At power up, the backlight turns on for the display test and then
goes off again (delayed by time-out). The user can change the backlight time-out in
MAIN MENU/Configuration/MIMIC
[17].
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1. In the MIMIC view at user level, press [E] for 2 s and enter the password to
access the technical level
2. Press [
↑
] or [
↓
] to select Configuration (last item) in the MAIN MENU
3. Press [
→
] to move to the Configuration menu
4. Press [
↓
] to select MIMIC [17]
5. Press [
→
] to move to the MIMIC [17] menu
6. The cursor is at the first menu item, Backlight time, so you can press [E] to enter
the setting mode
7. Set the active digit (see 8. below) or press [
→
] to activate a digit
8. Press [
↓
] or [
↑
] to scroll for the desired value for the digit (range: 1...20 min)
9. Confirm the setting by pressing [E]
The backlight can also be switched on by using the MMIWAKE function block in
the configuration. For example, a digital input of the terminal can be used to control
the backlight.
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To obtain optimum readability, adjust the contrast in the MIMIC view at user level
or in the MAIN MENU at technical level. (Refer to section “HMI Operation Levels”
on page 14.)
• To increase contrast, press [E] and [
↑
]
• To decrease contrast, press [E] and [
↓
]
Press the arrow button shortly as many times as required for the desired
contrast
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decrease
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