IEC08000398.vsd
= Steady = FlashIllumination =>
R
Y
G
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IEC08000398 V1 EN
Figure 49: LHMI LED operation mode LatchedAck-F-S Ack Prio / 1
When more than one color is used the rules for priority are valid. Two basic principles
are:
• Two or more signals are still ON when the LED is acknowledged.
• All colors (signals) are acknowledged and they will illuminate in steady
state.
• Incoming additional signals with lower priority will illuminate when they
become the highest priority in steady mode.
• One or more signals with higher priority are changing to ON after an
acknowledgement.
• The higher priority color (signal) will illuminate in flash mode.
See Figure 49 and Figure 50 for these two principles.
IEC08000399.vsd
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Y
G
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Y
G
S
i
g
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Ack
= Steady = FlashIllumination =>
IEC08000399 V1 EN
Figure 50: LHMI LED operation mode LatchedAck-F-S Prio / 2
Section 6 1MRK 511 284-UEN A
Local HMI engineering
70 650 series
Engineering manual
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