ABB Relion 630 Series Engineering Manual page 87

1MRS756800 F
630 series
Engineering Manual
GUID-50252C85-F6EA-4B18-BFCC-97C19F5B746F V1 EN
Figure 57: Local HMI: Placement of local HMI operation elements
Function block LEDGEN
• Handles an external acknowledge signal as source to acknowledge the LEDs.
• Generates an additional pulse for general purposes whenever the LEDs are
acknowledged by the operator.
• Generates a pulse whenever a new LED signal occurs. It may be used to trigger
an acoustical alarm.
• Handles the timer tReset and tMax for the LED operation mode 'LatchedReset-S'.
Function block GRP1_LED1 to GRP3_LED15
• The 15 LEDs on the right side of the display can indicate in total 45 alarms,
warnings or other signals to the operator. They are organized in three groups 1 to
3.
• Each signal group belongs to one function block.
• Each LED illuminates in one of the three colors: RED, YELLOW or GREEN.
• The organization of flashing, acknowledgment and group selection is done
directly between the function blocks and the basic LHMI keys, the 'Multifunction'
Section 6
Local HMI engineering
81