Configuration Of The Communication; Access To Parameters - Acyclic Messages - WEG CFW-11 User Manual

NOTE!
If there is cyclic communication between the module and the master of the network, the control data
sent by the master will overwrite the data sent through this page. Thus, the commands sent by this
page will only be executed in case the module is in the offline state.
2.3.4

Configuration of the Communication

In order to configure and use the EtherNet/IP module, follow the steps below:
With the module installed, during the recognition stage, a warning message will be displayed on the product

HMI, and the MS and NS LEDs test routine performed. After this stage, the MS LED must turn on in green.
Observe the content of parameter P0723. Check if the module was recognized. The detection is done

automatically and does not require the user's intervention.
Set the parameters as desired for the application:

Configurations of IP address and communication rate are explained in item 2.3.3.

I/O configuration: program in P0727 the number of words to be exchanged with the network master.

This same value must be set in the EtherNet/IP scanner. For this adjustment being complete, it is
necessary to program a value different from 0 (zero) in parameters P0728 to P0739 (see item 3).
Once the parameters are set, if any of the parameters described in the previous item are changed, it is

necessary to restart the equipment.
Once the equipment is set, it is necessary to configure the communication in the master of the network:
EDS file: register the EDS file in the network configuration file. The EDS configuration file is supplied in a CD

together with the product.
For the configuration of the master, besides the IP address used by the EtherNet/IP module, it is necessary

to indicate a number of the instances of I/O and the quantity of data exchanged with the master in each
instance. For the EtherNet/IP communication module, the following values must be programmed:
Input instance (input): 100

Output instance (output): 150

The EtherNet/IP module is described in the network as "Generic Ethernet Module". Using these

configurations it is possible to program the master of the network to communicate with the equipment.
If everything is correctly configured, the NS LED of the module will be on in green. It is in this condition that
cyclic data exchange effectively occurs between the slave and the master of the network.
2.3.5 Access to Parameters – Acyclic messages
Besides the cyclic data communication, the EtherNet/IP protocol also defines a kind of acyclic telegram, used
especially in asynchronous tasks, such as parameter setting and configuration of the equipment. The table 2.6
brings the class, instance and attribute for the access of the parameters of the equipment.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Figure 2.9: Web page with input/output data