Mitsubishi Electronics FR-F740P ユーザーズマニュアル

Used to perform required settings for communication between the inverter and personal computer.

There are two different communications: communication using the PU connector of the inverter and
communication using the RS-485 terminals.
You can perform parameter setting, monitor, etc. from the PU connector or RS-485 terminals of the inverter
using the Mitsubishi inverter protocol (computer link communication).
To make communication between the personal computer and inverter, initialization of the communication
specifications must be made to the inverter.
Data communication cannot be made if the initial settings are not made or there is any setting error.

0

0 to 31

Specifies the inverter station number.
Set the inverter station numbers when two or 
more inverters are connected to one personal 
computer.

192

48, 96, 192, 384

Set the communication speed.
The setting value 

× 100 equals the 

communication speed.
For example, the communication speed is 
19200bps when the setting value is "192".

1

Stop bit length

Data length

0

1  bit

8 bits

1

2  bits

10

1 bit

7 bits

11

2 bits

2

0

Without parity check

1

With odd parity check

2

With even parity check

1

0 to 10

Set the permissible number of retries at
occurrence of a data receive error. If the
number of consecutive errors exceeds the
permissible value, the inverter trips.

9999

If a communication error occurs, the inverter
does not trip.

9999

0

No PU connector communication

0.1 to 999.8s

Set the interval of communication check time.
If a no-communication state persists for
longer than the permissible time, the inverter
trips.

9999

No communication check

9999

0 to 150ms

Set the waiting time between data
transmission to the inverter and response.

9999

Set with communication data.

1

0

Without CR/LF

1

With CR

2

With CR/LF

The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 201)