Tcp/Ip Process Image Example - Mitsubishi Electric Melsec WS Series User Manual

MELSEC-WS
Table 12:
Auto update mode
normal operation
message
Table 13:
TCP/IP process image
example
39
Normal operation
The following message is sent from the Ethernet interface module to the application
while operating in auto update mode.
Parameter
Command WORD
Data set 1 length WORD
Data set 2 length WORD
Data set 3 length WORD
Data set 4 length WORD
Data set(s) data Array of bytes
(length dependent
on set definition)
3.5.3

TCP/IP process image example

The following example shows a possible process image sent by an Ethernet
interface module via TCP/IP in auto update mode:
Byte values
Part of message
(hex)
00 2E Command
00 32
00 20 Command
parameters
00 3C
00 3C
03 FF 03 03
C0
03
3F 05
05 05 00 00
Data set 1
00 00 00 00
(default byte
00 00 00 00
assignments, see
00 00 00 00
Table 15)
00 00 00 00
00 00 00 00
00 00 00 00
00 00 00 00
00 00 00 00
00 00 00 00
00 00
Ethernet interface module
Length
002E = Auto update data set(s) message
H
0 = Data set not returned in data set(s) data field
Non-zero = Length of data set
0 = Data set not returned in data set(s) data field
Non-zero = Length of data set
0 = Data set not returned in data set(s) data field
Non-zero = Length of data set
0 = Data set not returned in data set(s) data field
Non-zero = Length of data set
Data set(s) information. Details see Section 4.1
and Section 4.3.
Auto update data sets (see Table 12)
Length of data set 1: 50 bytes
Length of data set 2: 32 bytes
Length of data set 3: 60 bytes
Length of data set 4: 60 bytes
Logic results 0-3
Input values module 1:
C0 = 11000000 = Inputs I8 and I7 Active
Input values module 2:
03 = 00000011 = Inputs I2 and I1 Active
Input values module 3-12
Output values module 1-12
Not assigned
Value
Meaning