ABB SACE Emax E1.2, Operating Instructions For The Design Engineer

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ABB | SACE Emax 2
30 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A Ekip Dip protection trip unit | 5 - List of alarms and signals
Summary table of LED signals
The following table summarises the signals available with the protection LEDs and the operations to be carried out in response to alarms or fault
conditions signalled.
Type of Information
Slow flashing
(0.5Hz)
Fast flashing (2 Hz) On and fixed
2 flashes
every 2 s 3 flashes
every 3 s 4 flashes
every 4 s HELP
Colour and LED All R G All R+G All R R (single) G All R+G All R R (single) G All R G G G
Internal configuration
error
x x x A
Trip coil disconnected or
trip command failed
x B
Current sensors
disconnected
x B
Rating Plug error X B+E
Protection delay x C
Temperature alarm
(1)
x C
Pre-alarm L x C
Trip
(2)
x C
Hardware Trip
(3)
x x B
Installation error x E
Parameter error x D
Circuit-breaker state not
defined or in error
x B
Error on Local Bus x F
Maintenance alarm x F
Software incompatibility x x G
Low battery
(during self-test)
(4)
x H
(1)
The temperature alarm is signalled by lighting of the protection L and I red LEDs.
(2)
The last trip can also be displayed with trip unit off, by pressing the iTest key.
(3)
The Hardware Trip is signalled by lighting of the pre-alarm L yellow LED and the protection I red led.
(4)
Five flashes when self-test is started up
Key to LED colours
The above table lists the colors of the LEDs, to be interpreted as follows:
• R = red LED (alarm LED L, S, I, G).
• G = yellow LED (pre-alarm LED L).
NOTE:
for further details refer to the table listing the components of the interface, available on page
18.
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