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CET Electric Technology
Figure 4-26 Harmonic Distortion Alarm Logic Diagram
4.3.10 Temperature Alarm
The following table illustrates the Temperature Alarm parameters.
Parameters
Description
Range
Default Value
RTD1 HH Alarm Limit (°C)
RTD1 Temp. HH Alarm Limit
0 to 200°C
0
RTD1 HH Alarm Time Delay (s)
RTD1 Temp. HH Alarm Time Delay
0 to 9999 (s)
0
RTD1 H Alarm Limit (°C)
RTD1 Temp. H Alarm Limit
0 to 200°C
0
RTD1 H Alarm Time Delay (s)
RTD1 Temp. H Alarm Time Delay
0 to 9999 (s)
0
RTD2 HH Alarm Limit (°C)
RTD2 Temp. HH Alarm Limit
0 to 200°C
0
RTD2 HH Alarm Time Delay (s)
RTD2 Temp. HH Alarm Time Delay
0 to 9999 (s)
0
RTD2 H Alarm Limit (°C)
RTD2 Temp. H Alarm Limit
0 to 200°C
0
RTD2 H Alarm Time Delay (s)
RTD2 Temp. H Alarm Time Delay
0 to 9999 (s)
0
Table 4-17 Temperature Alarm Parameters
The RTD1/2 HH/H Alarm Return Limits are illustrated below:
RTD1/2 HH/H Alarm Return Limits = RTD1/2 HH/H Alarm Limits x (1 – Universal Hysteresis)
The logic diagram of Temperature HH Alarm is illustrated in Figure 4-27.
Figure 4-27 Temperature HH Alarm Logic Diagram
The logic diagram of Temperature H Alarm is illustrated in Figure 4-28.
Figure 4-28 Temperature H Alarm Logic Diagram
4.3.11 DI Alarm
The following table illustrates the DI Alarm parameters.
Parameters
Description
Range/Option
Default Value
DI1 Alarm Type
Disabled / DI1 Closed Trigger / DI1 Open Trigger
Disabled
Disabled