Mitsubishi Electric 800 Series Instruction Manual page 564

General flowchart
CAUTION
 Always set the communication check time interval before starting operation to prevent hazardous
conditions.
 Data communication is not started automatically but is made only once when the computer provides
a communication request. If communication is disabled during operation due to signal cable
breakage etc., the inverter cannot be stopped. When the communication check time interval has
elapsed, the inverter will trip (E.PUE, E.SER).
The inverter can be coasted to a stop by switching ON the RES signals or by switching the power
OFF.
 If communication is broken due to signal cable breakage, computer fault etc., the inverter does not
detect such a fault. This should be fully noted.
(N) Operation via communication and its settings
Port open
Communication setting
Time out setting
Send data processing

Data setting

Sum code calculation

Data transmission
Receive data waiting
Receive data processing

Data retrieval

Screen display
563
PARAMETERS
5
GROUP
N