Mitsubishi Electronics 700 Series ユーザーズマニュアル

Y28(Y2A)
Parameter read
command

X28(X2A)
Parameter read
completion

D9242(D9243)
Parameter
read data

User sequence
processing

Inverter
parameter

1) Read command is turned
    on in user sequence.

3) In user sequence, ON of read completion 
    is confirmed and data are read from data
    registers D9242(D9243) and processed.

4) After completion of read,
    read command is turned off.

2) Inverter CPU stores inverter parameter
    data into data registers D9242(D9243), 
    and turns on read completion.

5) Inverter CPU confirms that read
    command is off and turns off
    read completion.