ABB Relion 670 Series Applications Manual page 95
Hide thumbs
Also See for Relion 670 Series:
- Technical manual (1432 pages) ,
- Technical reference manual (1232 pages) ,
- Applications manual (944 pages)
Table of Contents
Advertisement
1MRK 505 370-UUS Rev. K
Alarm indicators
The 15 programmable three-color LEDs are used for alarm indication. An individual alarm/status signal,
connected to any of the LED function blocks, can be assigned to one of the three LED colors when
configuring the IED.
Table 12:
LED state
Disabled
Enabled
Flashing
5.4.2
Parameter management
The LHMI is used to access the relay parameters. Three types of parameters can be read and written.
•
Numerical values
•
String values
•
Enumerated values
Numerical values are presented either in integer or in decimal format with minimum and maximum
values. Character strings can be edited character by character. Enumerated values have a predefined
set of selectable values.
5.4.3
Front communication
The RJ-45 port in the LHMI enables front communication.
•
The green uplink LED on the left is lit when the cable is successfully connected to the port.
•
The yellow LED is not used; it is always off.
Busbar protection REB670
Application manual
Alarm indications
Description
Normal operation. All activation signals are Disabled.
•
Follow-S sequence: The activation signal is Enabled.
•
LatchedColl-S sequence: The activation signal is Enabled, or it is off but the indication has not
been acknowledged.
•
LatchedAck-F-S sequence: The indication has been acknowledged, but the activation signal is still
Enabled.
•
LatchedAck-S-F sequence: The activation signal is Enabled, or it is off but the indication has not
been acknowledged.
•
LatchedReset-S sequence: The activation signal is Enabled, or it is off but the indication has not
been acknowledged.
•
Follow-F sequence: The activation signal is Enabled.
•
LatchedAck-F-S sequence: The activation signal is Enabled, or it is off but the indication has not
been acknowledged.
•
LatchedAck-S-F sequence: The indication has been acknowledged, but the activation signal is still
Enabled.
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Section 5
Local HMI
GUID-5EE466E3-932B-4311-9FE1-76ECD8D6E245 v9
GUID-FD72A445-C8C1-4BFE-90E3-0AC78AE17C45 v13
89
Advertisement
Table of Contents
