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11.2 Alarms
The current and stored alarms are listed under this item.
STATE
Alarms
Current
alarms[0000]
Stored alarms [0000]
Alarm
masking
Current alarms:
Announcement of a currently active alarm in the system.
Stored alarms:
Alarms, which are occurred at least once since the last alarm
clear. A stored alarm can still be active, or already removed.
Alarm masking:
A masked alarm is suppressed and will, depending on the
masking, not affect the display and the alarm contact or the
CAS/CAN communication.
11.2.1 Alarm
overview
The ETC is able to generate up to 16 different alarms depending on the device type.
Those alarms are identified by the letters A to P.
A
Failure of external time reception:
Within the configured alarm timeout (Chapter 10.7), no valid time package
was received from the external time source.
B
Internal hardware error
C
Checksum of the saved configuration data is incorrect
D
Error in the automatic quartz trimming:
External time source is imprecise or internal quartz is faulty. Error is
automatically reset as soon as the deviation from the external time source to
the internal quartz sinks again below 50 ppm.
E Mains
power
failure
F
Automatic shut down of slave clock line 1 due to overload or short circuit
G
Automatic shut down of slave clock line 2 due to overload or short circuit
H
High current limit exceeded on slave clock line 1
I
High current limit exceeded on slave clock line 2
J
Low current limit under-run on slave clock line 1
K
Low current limit under-run on slave clock line 2
L
Battery voltage low
M
Supervision alarm external device, control input 1
N
Supervision alarm external device, control input 2
O
Supervision alarm external device, control input 3
P Reserved
