Mitsubishi Electric CR800 Series Ethernet Function Instruction Manual page 68

3 Description of functions
 Header
Contains the Ethernet header.
 Subheader
Contains the subheader for the request message.
When adding a serial No. to the request message
(when the serial No. is 1234H)
(Fixed value)
ASCII code
(Fixed value) (Fixed value)
Binary code
• When performing data communication in ASCII code
Serial Nos. are stored in the order from higher-order byte to lower-order byte.
• When performing data communication in binary code
Serial Nos. are stored in the order from lower-order byte to higher-order byte.
3-42
(Fixed value)
Serial No.
Serial No.
When not adding a serial No. to the request message
(Fixed value)
ASCII code
(Fixed value)
Binary code