Mitsubishi Electric MELSEC-Q QE81WH4W User Manual page 97

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
READY flag
Module Alarm 1
READY flag
5. Error monitoring program
Flag for
error
occurrence
Figure 8.3-2 Example of a sample program (continued)
U0\
Multiplier of
electric energy
U0\
Electric energy
(consumption)
U0\
Average current
U0\
Average value
voltage (L-L)
U0\
Average value
Acquire each type of
voltage (L-N)
the measured values
U0\
Active energy
U0\
Reactive energy
U0\
Apparent power
U0\
Power factor
U0\
Frequency
Instruct to measure the periodic electric energy 1
(Measurement is taken when X10 is ON.)
Periodic electric energy 1
measurement flag
Instruct to measure the periodic electric energy 2
(Measurement is taken when X10 is OFF.)
Periodic electric energy 2
measurement flag
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
8 - 7
QE81WH4W