
64
CET Electric Technology
Global Alarm Settings, Current and Current Demand Alarm
Parameter
Description
Range/Default*
Global Alarm Setting
Universal Hysteresis
The hysteresis rate for calculating the Return Threshold for all Alarms
Range: 0.0 to 10.0%, 2.0%*
Current OFF Alarm
Enable
Specifies if the Current L or LL Alarms will continue to be Active when
the Current transitions from the ON to OFF state due to a Trip event.
Disabled*
Enabled
ON/OFF Threshold
The ON Threshold that applies to all Current channels for switching
from the OFF to ON state.
Range: 0 to 10%, 5.0%*
ON Time
The time delay for the Current ON status.
Range: 0 to 9999s, 10*
OFF Time
The time delay for the Current OFF status.
Range: 0 to 9999s, 30*
Current
Alarm Enable
Specifies if the Current Alarm is enabled for
Mains-I
,
Mains-II
and
Branches
.
Mains-I*
Mains-II
Branches
Threshold
Specifies the threshold for the following Alarm Levels:
High-High
,
High
,
Low
and
Low-Low
. High-High and High are considered to be
Over Setpoints while Low and Low-Low are Under Setpoints.
Range: 0 to 100%
Time Delay
Specifies the time delay for the various alarms.
Range: 0 to 9999s
Current Demand
Alarm Enable
Specifies if the Current Demand Alarm is enabled.
Mains-I, Mains-II
Threshold
Specifies the threshold for the following Alarm Levels:
High-High
,
High
,
Low
and
Low-Low
. High-High and High are considered to be
Over Setpoints while Low and Low-Low are Under Setpoints.
Range: 0 to 100%
Time Delay
Specifies the time delay for the various alarms.
Range: 0 to 9999s
Table 3-15 Current Alarm Description
Figure 3-34 Current Alarm Setup Interface
Voltage Alarm
Parameter
Description
Value
Voltage LN
Alarm Enable
Specifies if the Voltage LN Alarm is enabled.
Voltage-I, Voltage -II
Threshold
Specifies the threshold for the following Alarm Levels:
High
and
Low
.
Range: 0 to 300V
Time Delay
Specifies the time delay for the various alarms.
Range: 0 to 9999s
Voltage LL
Alarm Enable
Specifies if the Voltage LL Alarm is enabled.
Voltage-I, Voltage -II
Threshold
Specifies the threshold for the following Alarm Levels:
High
and
Low
.
Range: 0 to 500V
Time Delay
Specifies the time delay for the various alarms.
Range: 0 to 9999s
Frequency
Threshold
Specifies the threshold for the following Alarm Levels:
High
and
Low
.
Range: 45 to 65Hz
Time Delay
Specifies the time delay for the various alarms.
Range: 0 to 9999s
Phase Loss (Available in Firmware V1.00.05 or later)
Alarm Enable
Specifies if the Phase Loss Alarm is enabled.
Mains-I, Mains-II
Phase Loss Time Delay
Specifies the time delay for the Phase Loss alarms.
0 to 9999(s)
Table 3-16 Voltage Alarm Description