Table 11:Alarm indicationsLED state DescriptionOff Normal operation. All activation signals are off.On • Follow-S sequence: The activation signal is on.• LatchedColl-S sequence: The activation signal is on, or it is off but the indicationhas not been acknowledged.• LatchedAck-F-S sequence: The indication has been acknowledged, but theactivation signal is still on.• LatchedAck-S-F sequence: The activation signal is on, or it is off but the indicationhas not been acknowledged.• LatchedReset-S sequence: The activation signal is on, or it is off but the indicationhas not been acknowledged.Flashing • Follow-F sequence: The activation signal is on.• LatchedAck-F-S sequence: The activation signal is on, or it is off but the indicationhas not been acknowledged.• LatchedAck-S-F sequence: The indication has been acknowledged, but theactivation signal is still on.3.2.4.2 Parameter managementThe LHMI is used to access the relay parameters. Three types of parameters can beread and written.• Numerical values• String values• Enumerated valuesNumerical values are presented either in integer or in decimal format with minimumand maximum values. Character strings can be edited character by character.Enumerated values have a predefined set of selectable values.3.2.4.3 Front communicationThe RJ-45 port in the LHMI enables front communication.• The green uplink LED on the left is lit when the cable is successfully connectedto the port.Section 3 1MRS756509 E630 series overview24 630 seriesOperation Manual