5.2 Local HMI signals
5.2.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Local HMI signals LHMICTRL - -
5.2.2 Function block
LHMICTRL
CLRLEDS HMI-ON
RED-S
YELLOW-S
YELLOW-F
CLRPULSE
LEDSCLRD
IEC09000320-1-en.vsd
IEC09000320 V1 EN
Figure 3: LHMICTRL function block
5.2.3 Signals
Table 11: LHMICTRL Input signals
Name
Type Default Description
CLRLEDS BOOLEAN 0 Input to clear the LCD-HMI LEDs
Table 12: LHMICTRL Output signals
Name
Type Description
HMI-ON BOOLEAN Backlight of the LCD display is active
RED-S BOOLEAN Red LED on the LCD-HMI is steady
YELLOW-S BOOLEAN Yellow LED on the LCD-HMI is steady
YELLOW-F BOOLEAN Yellow LED on the LCD-HMI is flashing
CLRPULSE BOOLEAN A pulse is provided when the LEDs on the LCD-HMI
are cleared
LEDSCLRD BOOLEAN Active when the LEDs on the LCD-HMI are not active
Section 5 1MRK 505 277-UUS C
Local Human-Machine-Interface LHMI
48
Technical Manual
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