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 13:
LHMICTRL Input signals
Name
Type
Default
Description
CLRLEDS
BOOLEAN
0
Input to reset the LCD-HMI LEDs
Table 14:
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 reset pulse is provided when the LEDs on the LCD-
HMI are cleared
LEDSCLRD
BOOLEAN
Active when the LEDs on the LCD-HMI are not ON
Section 5
1MRK 506 335-UUS A
Local Human-Machine-Interface LHMI
70
Technical manual
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