Header; Subheader - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Header

A header for TCP/IP and UDP/IP. A header of a request message is added on the external device side and sent. Normally, it
is added automatically by an external device. A header for a response message is set automatically by E71.

Subheader

Set the command type. (Page 396 Commands and Function List for 1E Frame)
The setting values for each command are as follows.
Function
Read and write device memory
Read and write extended file register
Read and write buffer memory of special
function module
Setting method
■Data communication in ASCII code
Convert the numerical value to 2-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
Send a 1-byte numerical value.
Ex.
Device memory batch read (word units)
Request message
ASCII code
0 0
30 30
H H
Response message
ASCII code
8 0
38 30
H H
18 COMMUNICATING USING 1E FRAMES
392
18.2 Details of Setting Data
Subheader Reference
Request Response
message message
00H 80H Page 403 Batch read in bit units (command: 00)
01H 81H Page 405 Batch read in word units (command: 01)
02H 82H Page 407 Batch write in bit units (command: 02)
03H 83H Page 409 Batch write in word units (command: 03)
04H 84H Page 410 Test in bit units (random write) (command: 04)
05H 85H Page 412 Test in word units (random write) (command: 05)
06H 86H Page 415 Register monitor data(command: 06, 07)
07H 87H Page 415 Register monitor data(command: 06, 07)
08H 88H Page 416 Monitor in bit units (command: 08)
09H 89H Page 417 Monitor in word units (command: 09)
17H 97H Page 419 Batch read (command: 17)
18H 98H Page 421 Batch write (command: 18)
19H 99H Page 423 Test (random write) (command: 19)
1AH 9AH Page 426 Register monitor data (command: 1A)
1BH 9BH Page 427 Monitoring (command: 1B)
3BH BBH Page 428 Direct read (command: 3B)
3CH BCH Page 430 Direct write (command: 3C)
0EH 8EH Page 434 Batch read (command: 0E)
0FH 8FH Page 436 Batch write (command: 0F)
Binary code
00
H
Binary code
80
H