Soft-Starter Ssw900; Ethernet - WEG Drive Scan Manual

CONNECTING A DEVICE TO THE DRIVE SCAN

5.6 SOFT-STARTER SSW900

5.6.1 RS-485
To connect the SSW900 to the WCD-ED300 via the RS-485 communication interface using the Modbus-RTU
protocol, it is necessary to install on the Soft-Starter the accessory CRS485-W listed in
used with firmware version 1.0 and above of the SSW900.
Refer to the SSW900 Modbus-RTU Communication guide, which can be obtained from the download center at
www.weg.net, for additional information.
Table 5.16: RS-485 hardware accessory of the SSW900 compatible with the Modbus RTU protocol
Accessory
5
CRS485-W
Parameter
C8.2.1
C8.2.2
C8.2.3
C8.2.4
C8.2.5.1
C8.2.5.2
C8.2.5.3

5.6.2 ETHERNET

To connect to the WCD-ED300 via Ethernet GbE1 communication interface using the Modbus TCP protocol, it is
necessary to install on the SSW900 the accessory CMB-TCP-N listed in
Low Voltage Devices | 5-20
WEG item
12966043
Table 5.17: Parameters related to the RS-485 communication accessories
Net ID Description
730 Serial protocol
731 Serial address
732 Serial baud rate
733 Serial interface byte configuration
740 Timeout mode
741 Timeout error action
734 Timeout
Parameters Pin
1
2
Table 5.17
3
4
2 = Modbus RTU
1 a 247
0 = 9600 bps
1 = 19200 bps
2 = 38400 bps
3 = 57600 bps
0 = 8 bits, no parity, 1 stop bit
1 = 8 bits, even parity, 1 stop bit
2 = 8 bits, odd parity, 1 stop bit
3 = 8 bits, no parity, 2 stop bits
4 = 8 bits, even parity, 2 stop bits
5 = 8 bits, odd parity, 2 stop bits
0 = Inactive
1 = F128 fault
2 = A128 alarm
0 = Only indicates
1 = Ramp stop
2 = General disable
3 = Go to LOC
4 = Go to REM
0,0 a 999,0s
Table 5.18.
Table 5.16, which can be
Signal
B (+)
A (-)
GND
Shield
Values range