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PROGRAMMING EXAMPLES
41
2) To continuously change the running frequency from PLC
When the frequency setting completion (example: RX2D) switches on, make sure that the reply code in the remote
register is 0000
H
and change the set data (example: RWw
5
) continuously.
3) Program example for writing data to E
2
PROM
Modify the above program as follows:
Change the frequency setting command from RY2D to RY2E.
RY2D
RW
W5
RY2E
(Note 2)
(Note1)
Frequency setting completion
<Timing chart for write to RAM>
<Timing chart for write to E PROM>
Reflected on inverter
at the point when RY2E
switches on
Inverter
running
frequency
Inverter
running
frequency
RX2D
→
RX2E
RWw
5
2
Note: 1. For E
2
PROM, write is made only once when RY2E is switched on.
2. If the set data is changed with RY2E on, it is not returned on the inverter.