4-148
4-4 Communication Function
4
Functions
ASCII Method
Communication Procedure
•The following shows the communication procedure between the Inverter and external controller.
(1): Indicates a frame sent from the external controller to the Inverter.
(2): Indicates a frame sent back from the Inverter to the external controller.
Frame (2) is response output from the Inverter after reception of frame (1). It is not an active output.
Below is each frame format (command).
Command List
The following describes each command.
External controller
Inverter
(1)
(2)
C078
Time
Wait time (Set via the Digital Operator.)
Command Description
Communication
with all stations
Note
00
Inputs forward/reverse/stop
command.
Available
01 Sets frequency reference. Available
02
Sets multi-function input terminal
status.
Available
03 Reads all monitor data. Not available
04 Reads the Inverter status. Not available
05 Reads trip data. Not available
06 Reads a parameter. Not available
07 Sets a parameter. Available
08 Initializes each set value. Available
Enabled only when b084 is set
to "01" or "02".
(Clears trip data.)
09
Checks if a set value can be stored in
EEPROM.
Not available
0A Stores a set value in EEPROM. Available
0B Re-calculates internal parameters. Available
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