Schneider Electric VW3 A3 303 用户手册
14
6. Configuration
6. 1. Communication parameters
Configure the following parameters in the
[1.9 - COMMUNICATION]
(
COM-)
menu,
[Uni-Telway/Modbus]
(
UtL-)
submenu:
[Protocol]
(
PrO)
,
[Bit rate]
(
bdr)
and
[Format]
(
FOr)
.
These parameters can only be modified when the motor is stopped. Modifications can only be taken into account by the drive following a
power break.
power break.
Parameter
Possible values
Terminal display
Default value
[Protocol]
(
PrO)
Uni-Telway
Modbus/RTU
Modbus/ASCII
Modbus/RTU
Modbus/ASCII
[Unitelway]
(
UtE)
[Modbus RTU]
(
rtU)
[Modbus ASCII]
(
ASC)
[Unitelway]
(
UtE)
[Address]
(
AdrC)
0 to 247
[0]
(
0)
to
[247]
(
247)
Value taken from the address switches
[Bit rate]
(
Bdr)
4800 bps
9600 bps
19,200 bps
9600 bps
19,200 bps
[4800 Bd]
(
4 8)
[9600 Bd]
(
9 6)
[19200 Bd]
(
19 2)
[19.2 Kbps]
(
19 2)
[Format]
(
FOr)
In RTU mode only:
8 data bits, odd parity, 1 stop bit
8 data bits, even parity, 1 stop bit
8 data bits, no parity, 1 stop bit
8 data bits, no parity, 2 stop bits
8 data bits, odd parity, 1 stop bit
8 data bits, even parity, 1 stop bit
8 data bits, no parity, 1 stop bit
8 data bits, no parity, 2 stop bits
[8-O-1]
(
8o1)
[8-E-1]
(
8E1)
[8-N-1]
(
8n1)
[8-N-2]
(
8n2)
[8-O-1]
(
8o1)
In RTU and ASCII modes:
7 data bits, odd parity, 1 stop bit
7 data bits, even parity, 1 stop bit
7 data bits, odd parity, 2 stop bits
7 data bits, even parity, 2 stop bits
7 data bits, odd parity, 1 stop bit
7 data bits, even parity, 1 stop bit
7 data bits, odd parity, 2 stop bits
7 data bits, even parity, 2 stop bits
[7-O-1]
(
7o1)
[7-E-1]
(
7E1)
[7-O-2]
(
7o2)
[7-E-2]
(
7E2)