Ascii Method; Communication Procedure - Omron 3G3RX User Manual

ASCII Method

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