Estun ProNet Plus Series, Руководство пользователя

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ProNet Plus Series AC Servo User's Manual
- 136 -
11-bit character form (8-bit data)
Start
bit
0 1 2 3 4 5 6
Stop
bit
8-data bits
11- bits character frame
8
，
N
，
2
（
Modbus
，
ASCII / RTU
）
Stop
bit
7
Start
bit
0 1 2 3 4 5 6
Even
parity
8-data bits
11- bits character frame
8
，
E
，
1
（
Modbus
，
ASCII / RTU
）
Stop
bit
7
Start
bit
0 1 2 3 4 5 6
Odd
parity
8-data bits
11- bits character frame
8
，
O
，
1
（
Modbus
，
ASCII / RTU
）
Stop
bit
7
Communication protocol structure:
Data format of communication protocol:
ASCII 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 4nASCII 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)
RTU Mode:
STX Sleep interval of at least 4 bytes transmission time.
ADR Communication address
＝＞
1-byte
CMD Reference code
＝＞
1-byte
DATA(n-1) Data content
＝＞
n-word=2n-byte, n
≦
12
……
DATA(0)
CRC CRC checking code
＝＞
1-byte
End 1 Sleep interval of at least 4 bytes transmission time.
Communication protocol data format instructions are as follows:
STX (communication start)
ASCII mode:
‘: ’character