Mitsubishi Electric 700 Series Programming Manual page 40

Inverter parameter data read timing chart
1) Read command is turned
on in user sequence.
Y28(Y2A)
Parameter read
command
X28(X2A)
Parameter read
completion
Inverter
parameter
D9242(D9243)
Parameter
read data
User sequence
processing
2) Inverter CPU stores inverter parameter
data into data registers D9242(D9243),
and turns on read completion.
3) In user sequence, ON of read completion
is confirmed and data are read from data
registers D9242(D9243) and processed.
Inverter Parameter Read/Write Method
4) After completion of read,
read command is turned off.
5) Inverter CPU confirms that read
command is off and turns off
read completion.
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