- 17 -
6.
MODBUS Communication Control
6.1 Communication Procedures
This product returns the "response message" as a reply to the "request message" that will be sent
by the upper computer.
Therefore, the transmission will never be initiated by this product.
6.2 Kinds of Message
■ Kinds of message can be
briefly classified into the following:
■ Data is in binary during RTU mode.
■ In case of ASCII mode, all codes will be expressed in ASCII code.
■ To code the program for t
he upper computer, see "9. List of Identifiers" and "10. List of ASCII
Codes" at the end of this document.