How To Use The Monitoring Function - Mitsubishi Electric EcoMonitorPro EMU2-RD3-F Instruction Manual

10.3 How to use the monitoring function

This unit can monitor the upper and lower limits of measurements of voltage, current demand, power demand and power factor separately.
<Monitor setting>
⋅ Upper limit setting : Set the measurement upper limits. For the settings and the setting ranges,
⋅ Lower limit setting : Set the measurement lower limits. For the settings and the setting ranges,
⋅ Alarm delay time : If the measurement is kept higher than the upper limit setting or lower than the lower limit setting for less than the
specified alarm delay time, the alarm is not given. This function is useful in removing the rush current of load from the
parameters to be monitored. For the setting and the setting range,
<Conditions of occurrence of alarm>
Mode
Occurrence
Upper limit
monitoring
Recovery
Occurrence
Lower limit
monitoring
Recovery
<Monitoring data>
⋅ Alarm status
⋅ Value upon occurrence of alarm
⋅ Date and time of occurrence of alarm
Example of current demand upper limit alarm
Upper limit
alarm
Example of current demand lower limit alarm
Lower limit
alarm
Condition of occurrence of alarm
Measurement > Upper limit setting
Alarm delay time can be set.
Measurement ≤ Upper limit setting
Measurement < Lower limit setting
Alarm delay time can be set.
Measurement ≥ Lower limit setting
:Indicates whether the alarm has occurred or not.
:Value upon occurrence of the alarm (when condition of occurrence of alarm was met) (not the
maximum value)
:Date and time when the alarm occurred (condition of occurrence of alarm was met)
Occurrence of
upper limit alarm
Value upon occurrence
of upper limit alarm
Alarm delay
Date and time of occurrence
time
of upper limit alarm
Occurrence of
lower limit alarm
Value upon occurrence
of lower limit alarm
Alarm delay
time
Date and time of occurrence
of lower limit alarm
see page 12.
Recovery of
upper limit alarm
Time
This period is regarded as the duration of time for which the
alarm is going on.
Recovery of lower
limit alarm
Time
This period is regarded as the duration of time for which the
alarm is going on.
(19/32)
see page 11.
see page 11.
Display unit: Example of display
on EMU2-D65
A l a r m S t a t u s
Ａ Ｖ Ｗ
P F
● ○ ○ ○
U p p .
○ ○ ○ ○
L o w .
0 4 / 0 2
1 1 4 .
U p p e r
Display unit: Example of display
on EMU2-D65
A l a r m S t a t u s
Ａ Ｖ Ｗ
P F
U p p . ○ ○ ○ ○
● ○ ○ ○
L o w .
0 4 / 1 1
L o w e r
1 1 : 5 8
5
Ａ
1 0 : 3 2
2 . 2
Ａ