Packet Elements; Static Data - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

Packet elements

The packet is created with a combination of packet elements.
Up to 32 elements can be set in one packet. One packet can have a maximum data length of 2046.
This section describes the details of the packet elements.
For examples of the packet element data, refer to the following.
Page 395 Operation Image and Data Structure of Predefined Protocol

Static data

Use when there are specific codes and character strings, such as commands, in the packet.
• When sending: The specified code and character string are sent.
• When receiving: The received data is verified.
Multiple static data elements can be placed anywhere in the data part.
The following table lists the items.
Item Description
Element Name Set the element name.
Code Type Select a data type of the setting value.
ASCII String/ASCII Control Code/HEX
Setting Value Set data within 1 to 50 bytes.
Code type and setting range are as follows:
• ASCII String: 20H to 7EH
• ASCII Control Code: Control code of 00H to 1FH and 7FH
• HEX: Hexadecimal data of 00H to FFH
Remarks


Setting example
ASCII string: "ABC"
ASCII control code: STX
HEX: FFFF
1.3 Communications Using the Predefined Protocol
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1 FUNCTIONS
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