4-149
4-4 Communication Function
4
Functions
<Command 00>
Inputs the forward/reverse/stop command. (To use this command, set A002 to "03" (RS485).)
•Transmission frame
*
(Example) To send a forward command to station 01
(STX) 01 00 1 (BCC) (CR) ASCII conversion 02 30 31 30 30 31 33 30 0D
•Response frame
Normal response: Refer to page 4-161.
Error response: Refer to page 4-161.
<Command 01>
Sets frequency reference. (To use this command, set A001 to "03" (RS485).)
•Transmission frame
* To set "5 Hz" for station 01
(STX) 01 01 000500 (BCC) (CR)
ASCII conversion 02 30 31 30 31 30 30 30 35 30 30 30 35 0D
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 the target Inverter 2 bytes
01 to 32, and FF (Communication
with all stations)
Command Transmission command 2 bytes 00
Data Transmission data 1 byte *
BCC Block check code 2 bytes
Exclusive OR from station No. to
data. (Refer to page 4-163.)
CR Control code (Carriage Return) 1 byte CR (0x0D)
Data Description Note
0 Stop command
1 Forward command
2 Reverse command
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 the target Inverter 2 bytes
01 to 32, and FF (Communication
with all stations)
Command Transmission command 2 bytes 01
Data
Transmission data (Decimal ASCII
code)
6 bytes *
BCC Block check code 2 bytes
Exclusive OR from station No. to
data. (Refer to page 4-163.)
CR Control code (Carriage Return) 1 byte CR (0x0D)
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