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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
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
CRS485-B
IOS
CCAN
CRS232
CPDP
CPDP2
IOD
IOAD
IOR-B
ENC
CUSB
CETH-IP
CEMB-TC
CEPN-IO
Table 5.13: Parameters related to the RS-485 communication accessories
Parameter
P0308
P0310
WEG Item
Parameters
14742132
14741859
14741999
14742005
14742132
12443605
14742006
Table 5.13
14742129
14742003
12619000
14742001
12892614
12892815
12892816
Description
Serial address
Serial baud rate
CONNECTING A DEVICE TO THE DRIVE SCAN
Table
5.5.1. The supported CFW500
A signal pin (-)
B signal pin (+)
12 e 20
14 e 22
14
16
10
12
10
12
8
10
12
14
8
10
Values range
1 a 247
0 = 9600 bps
1 = 19200 bps
2 = 38400 bps
GND signal pin
16 e 24
18
14
4
12
16
11
Low Voltage Devices | 5-15
5
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