Appendix 8.3 Data Examples Of Packet Elements - Mitsubishi Electric QJ71E71-100 User Manual

Appendix 8.3
This section describes the procedures for the processing and practical data examples of each element placed in a
packet.
(1) Length
(a) Procedures
The E71 processes a Length element as follows.
[When sending]
Length calculating result
123
H
Conversion to
ASCII
hexadecimal
"0"(30 )
H
"1"(31 )
H
"2"(32 )
H
"3"(33 )
H
[When receiving]
Connected device
"0123"
386
Data examples of packet elements
Data flow
Forward direction
30
H
31
H
32
H 33
H
33
H
Reverse direction
33
H
32
H
31
30
H
H
30
H
Byte swap
31
H
30
H
33
32
H
H
32
H
Sending
33 32 31 30
H H H H
Sending
"3210"
32 31 30
H H H
"0123"
31 32 33
H H H
"2301"
33 30 31
H H H
Data flow
Forward direction
Conversion from ASCII hexadecimal to binary
30
H
31
H
"0123"
32
H
33
H
Reverse direction
33
H
32
H
"3210"
31
H
30
H
Byte swap
31
H
30
H
"1032"
33
H
32
H
Connected device
"0123"
"3210"
"1032"
Length calculation result
123
H
3210
H
1032
H