Omron 3G3RX Series, User Manual

Page: 264 / 442

4-155
4-4 Communication Function
4
Func
tions
• Response frame
Positive response: Refer to page 4-155.
Negative response: Refer to page 4-155.
<Command 0B>
Re-calculates internal parameters.
Recalculation is required when the base frequency and H*** parameters are changed via RS485
communication.
• Transmission frame
• Response frame
Positive response: Refer to page 4-155.
Negative response: Refer to page 4-155.
„
Positive/Negative Responses
<Positive Response>
• Response frame
Frame format
STX Station No. Command 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
Command Transmission command 2 bytes 0B
BCC Block check code 2 bytes
Exclusive OR from station No. to
data. (Refer to page 4-157.)
CR Control code (Carriage Return) 1 byte CR (0x0D)
Frame format
STX Station No. ACK 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
ACK Control code (ACKnowledge) 1 byte ACK (0x06)
BCC Block check code 2 bytes
Exclusive OR from station No. to
data. (Refer to page 4-157.)
CR Control code (Carriage Return) 1 byte CR (0x0D)