Mitsubishi Electric Melsec Q Series User Manual page 112

8: Programming
2. Measured data acquisition program
Module Output period of
READY
data acquisition
clock
3. Program for periodic energy function
Module
READY
Module
READY
4. Alarm monitoring function program
Module Alarm 1 flag
READY
Alarm 2flag
Module
READY
5. Error monitoring program
Flag for
error
occurrence
Multiplier of
electric energy
Electric energy
(consumption)
Average current
Average voltage
Active energy
Reactive energy
Periodic electric energy 2
measurement flag
Figure 8.3.2-1 Example of sample program
8 – 9
U0\
U0\
U0\
U0\
Acquire each type of
the measured values
U0\
U0\
U0\
Power factor
U0\
Frequency
Instruct to measure the periodic electric energy 1
Periodic electric energy 1
(Measurement is taken when X10 is ON.)
measurement flag
Instruct to measure the periodic electric energy 2
(Measurement is taken when X10 is OFF.)
Output ON to Y20 when the alarm 1 occurs
Output ON to Y21 when the alarm 2 occurs
U0\
Acquire the latest error code
Latest error
code
Output ON to Y22 when an error occurs
QE81WH