Table of Contents
Advertisement
6. Operation
6.6 Alarm Display and How to Cancel
● Set-up
Refer to 4.6 Alarm Set-up. (see page 22)
● Alarm indicator
If the item that had alarm set-up is displayed on the bar graph, the alarm indicator appears.
By blinking of "
", upper or lower limit is shown.
● Display and Alarm output, How to cancel
Alarm condition: If a measurement value exceeds an alarm value, the parts of display blink and an alarm relay
contact closed.
Alarm cancel method
Automatic
Display
(Auto)
Alarm relay
contact
Manual
Display
(HoLd)
Alarm relay
contact
Note 1: When the alarm condition, the digital value, the unit (A, V, W, var, VA, PF, Hz), and the phase (1, 2, 3, N, AVG, , DM) of the measurement element are blinking.
There is no blink when the element is not a display.
Note 2: When the alarm hold condition, the unit (A, V, W, var, VA, PF, Hz), and the phase (1, 2, 3, N, AVG, , DM) of the measurement element are blinking. There is no blink
when the element is not a display.
Note 3: Only ALARM , HI or LO blinks on the maximum value and minimum value display.
Note 4: In the harmonics, only total distortion ratio and RMS value are blinking. The display of degree is not blinking.
Note 5: The alarm is generated on all the following conditions.
1) The display pattern is set to "P00" 2) The setting displays only some phases of A (DA).
3) A (DA) is set to the alarm element. 4) The input of the phase not displayed exceeds the alarm setting value.
● Alarm cancel
How it cancels by 'alarm cancel method' is different.
Automatic
When the measurement value falls below the upper setting value or exceeds the lower
(Auto)
setting value, alarm is automatically canceled.
Manual
After the measurement value falls below the upper value or exceeds the lower setting value,
(HoLd)
alarm is maintained. When the element that generates the alarm is displayed, and the
RESET
When the
canceled in bulk.
● Alarm delay time
If the condition that the limit was exceeded continues more than the delay time, it will be in the alarm condition.
The alarm output by rush current can be prevented.
Measurement value > Upper limit value
(or Measurement value < Lower limit value)
ALARM , HI or LO : blink
Closed
ALARM , HI or LO : blink
Closed
button is pressed, the alarm is canceled.
button is pressed for two seconds or more, all elements of alarm are
RESET
Measurement value < Upper limit value
(or Measurement value > Lower limit value)
Normal display
Opened
ALARM , HI or LO : appear
RESET
Closed
Normal display
Opened
Advertisement
Table of Contents
