ABB Relion 630 Series Engineering Manual page 92

Section 6
Local HMI engineering
86
LED operation mode LatchedAck-F-S
R
Y
G
R
Y
G
Ack
Illumination => = Steady
IEC08000397 V1 EN
Figure 62: LHMI: LED operation mode LatchedAck-F-S / Base
The classical mode to indicate incoming alarms or warnings, which the operator has
not seen since the last acknowledgement, is presented in
mode. There are two possibilities for the operator to acknowledge.
• The signal is already gone when acknowledged, the LED turns OFF (at least for
this color).
• The signal is still ON, the LED stays illuminated and changes to steady state.
R
Y
G
R
Y
G
Ack
Illumination => = Steady
IEC08000398 V1 EN
Figure 63: LHMI LED operation mode LatchedAck-F-S Ack Prio / 1
When more than one color is used the rules for priority are valid.
• Two or more signals are still ON when the LED is acknowledged.
= Flash
IEC08000397.vsd
= Flash
IEC08000398.vsd
1MRS756800 F
Figure 62 as a basic operation
630 series
Engineering Manual