8 Communications Functions
8 - 78
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
This section describes each command.
Inputs forward/reverse/stop command. (To use this command, set the RUN Command Selection (A002)
to 03 (RS485).)
• Transmission Frame
* Set one of the following set values to Data.
Example. To send the forward command to station 01
(STX)01 00 1 (BCC) (CR) ASCII conversion 02 30 31 30 303133 300D
• Response frame
Normal response: Refer to page 8-92
Error response: Refer to page 8-93
8-6-2 Communications Commands
Command 00
Frame format
STX Station
No.
Command Data BCC CR
Description Data size Setting
STX Control code (Start of Text) 1 byte STX (0x02)
Station
No.
Station No. of target Inverter 2 bytes 01 to 32, and FF (Broadcast to all stations)
Command
Transmission command 2 bytes 00
Data Transmission data 1 byte Set the transmission data as shown below.*
BCC Block check code 2 bytes
Exclusive OR of frame segments from
Station No. to Data (Refer to page 8-94.)
CR Control code (Carriage Return) 1 byte CR (0x0D)
Data Description
0 Stop command
1 Forward command
2 Reverse command
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