ProNet series AC servo system User’s manual V.1.08
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servodrives are connected.
Example:
Example:
Example:
Example:
When RS-485 network is composed of a PLC and A
、
B
、
C three servodrives, the cable wiring is shown as
follows:
PLC→CN3 of A, CN4 of A→CN3 of B, CN4 of B→CN3 of C, CN4 of C→120Ω terminating resistance.
6.2 MODBUS Communication Related Parameters
Parameter
Parameter
Parameter
Parameter
No.
No.
No.
No.
Description
Description
Description
Description
Setting
Setting
Setting
Setting
Validation
Validation
Validation
Validation
Control
Control
Control
Control
Mode
Mode
Mode
Mode
Meaning
Meaning
Meaning
Meaning
Pn700
Hex
After restart
ALL
Pn700.0
Pn700.0
Pn700.0
Pn700.0 MODBUS
MODBUS
MODBUS
MODBUS baud
baud
baud
baud rate
rate
rate
rate
[0] 4800bps
[1] 9600bps
[2] 19200bps
Pn700.1
Pn700.1
Pn700.1
Pn700.1 Communication
Communication
Communication
Communication protocol
protocol
protocol
protocol
selection
selection
selection
selection
[0] 7
,
N
,
2
(
MODBUS,ASCII
)
[1] 7
,
E
,
1
(
MODBUS,ASCII
)
[2] 7
,
O
,
1
(
MODBUS,ASCII
)
[3] 8
,
N
,
2
(
MODBUS,ASCII
)
[4] 8
,
E
,
1
(
MODBUS,ASCII
)
[5] 8
,
O
,
1
(
MODBUS,ASCII
)
[6] 8
,
N
,
2
(
MODBUS,RT U
)
[7] 8
,
E
,
1
(
MODBUS,RT U
)
[8] 8
,
O
,
1
(
MODBUS,RTU
)
Pn700.2
Pn700.2
Pn700.2
Pn700.2 Communication
Communication
Communication
Communication protocol
protocol
protocol
protocol
selection
selection
selection
selection
[0] SCI communication with no
protocol
[1] MODBUS SCI communication
Pn700.3
Pn700.3
Pn700.3
Pn700.3 Reserved
Reserved
Reserved
Reserved
Pn701
Axis address
After restart
ALL
Axis address of MODBUS protocol
communication