WEG CFW500 V1.8X, Programming Manual, Page: 165 / 172

Communication
CFW500 | 17-3
17
P0312 – Serial Interface Protocol (1)(2)
Adjustable
Range:
0 = HMIR (1)
1 = Reserved
2 = Modbus RTU (1)
3 = Reserved
4 = Reserved
5 = Master RTU (1)
6 = HMIR (1) + Modbus RTU (2)
7 = Modbus RTU (2)
8 to 11 = Reserved
12 = HMI (1)/RTU Master (2)
13 = RTU Master (2) Factory
Setting:
2
Properties: cfg
Access Groups
via HMI:
NET
Description:
P0312 defines the type of protocol for (1) and (2) Serial interfaces of the frequency inverter; see also Chapter 17
COMMUNICATION on page 17-1 . Depending on the plug-in module installed, the CFW500 can feature up to
two serial interfaces, but only one of them is available for commands and references. The other interface remains
inactive or as interface for CFW500-HMIR, in which the protocol is pre-defined without parameterization and of
internal use exclusive of the inverter remote HMI.
P0313 – Action for Communication Error
P0314 – Serial Watchdog
P0316 – Serial Interface Status
P0682 – Control Word via Serial / USB
P0683 – Speed Reference via Serial / USB
Description:
Parameter for configuration and operation of the RS-232 and RS-485 serial interfaces. For a detailed description,
refer to the Modbus RTU user’s manual, supplied in electronic format in the CD-ROM that comes with the product.
17.2 CAN – CANOPEN / DEVICENET INTERFACE
P0684 – Control Word via CANopen/DeviceNet
P0685 – Speed Reference via CANopen/DeviceNet
P0700 – CAN Protocol
P0701 – CAN Address
P0702 – CAN Baud Rate
P0703 – Bus Off Reset
P0705 – CAN Controller Status