ProNet series AC servo system User’s manual V.1.08
- 114 -
11-bit
11-bit
11-bit
11-bit character
character
character
character form
form
form
form
(
8-bit
8-bit
8-bit
8-bit data
data
data
data
)
Communication protocol structure
:
Data format of communication protocol
:
ASCII
ASCII
ASCII
ASCII Mode
Mode
Mode
Mode
:
STX
Start character‘
:
’
=>
(3A
H
)
ADR
Communication address
=>
1-byte contains two ASCII codes
CMD
Reference code
=>
1-byte contains two ASCII codes
DATA(n-1)
Data content
=>
n-word=2n-byte contain 4n ASCII codes
,
n
≦
12
……
DATA(0)
LRC
Checking code
=>
1-byte contains two ASCII codes
End 1
End code 1
=>(
0D
H
)(
CR
)
End 0
End code 0
=>(
0A
H
)(
LF
)
Start
b it
0
1
2
3
4
5
6
O dd
p a rity
Stop
b it
7-data bits
1 0 - bits character frame
P n 7 0 0 .1=2
:
7
,
O
,
1
(
M odbus
,
A SC II
)
Star t
b it
0
1
2
3
4
5
6
Sto p
b it
8-d ata b its
1 1 - bits character frame
8
,
N
,
2
(
M odbus
,
ASCII / R T U
)
Sto p
b it
7
Star t
b it
0
1
2
3
4
5
6
Even
p ar ity
8-d ata b its
1 1 - bits character frame
8
,
E
,
1
(
M odbus
,
ASCII / R T U
)
Sto p
b it
7
Star t
b it
0
1
2
3
4
5
6
Od d
p ar ity
8-d ata b its
1 1 - bits character frame
8
,
O
,
1
(
M odbus
,
ASCII / R T U
)
Sto p
b it
7