WEG Drive Scan, Manual

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5
CONNECTING A DEVICE TO THE DRIVE SCAN
5.5 INVERSOR DE FREQUÊNCIA CFW500
5.5.1 RS-485
To connect the CFW500 to the WCD-ED300 via the RS-485 communication interface using the Modbus-RTU
protocol, it is necessary to install on the CFW100 the accessory listed in
Table 5.5.1 . The supported CFW500
firmware versions are v2.0 and above.
Refer to the CFW500 RS-485 Serial Communication guide, which can be obtained from the download center at
www.weg.net , for additional information.
WARNING!
The CRS485-B accessory has an additional RS-485 interface. The default interface consists of the
signals from pins 12 (A), 14 (B) and 16 (GND). The second interface consists of the signals from pins
20 (A), 22 (B) and 24 (GND).
Table 5.12: RS-485 hardware accessories of the CFW500 compatible with Modbus RTU protocol
Accessory
WEG Item Parameters
A signal pin (-) B signal pin (+) GND signal pin
CRS485-B 14742132
Table 5.13
12 e 20 14 e 22 16 e 24
IOS 14741859 14 16 18
CCAN
14741999 10
12
14
CRS232 14742005 10 12 4
CPDP 14742132
8 10 12
CPDP2 12443605
IOD 14742006
12 14 16
IOAD 14742129
IOR-B 14742003
ENC 12619000
CUSB 14742001
CETH-IP 12892614
8 10 11
CEMB-TC 12892815
CEPN-IO 12892816
Table 5.13: Parameters related to the RS-485 communication accessories
Parameter Description Values range
P0308 Serial address 1 a 247
P0310 Serial baud rate 0 = 9600 bps
1 = 19200 bps
2 = 38400 bps
Low Voltage Devices | 5-15