User manual

Installation and Configuration
362
33002479 06 07/2008
Configuring the I/O Scanning Service
Introduction The Modicon 140 NOE 771 01 module supports Ethernet communication services
such as I/O scanning, Global data, Modbus messaging, SNMP, etc. This example
shows you how to configure the I/O scanning service. This service is used to:
z transfer data between network devices
z allow a CPU to regularly read data from and write data to scanned devices
Schneider’s Unity Pro software is used to configure the I/O scanning service.
Selecting the I/O
Scanning
Parameters
Perform the following steps to setup the I/O scanning parameters:
Step Action
1 Open the Unity Pro program on your PC.
2 In the Project browser, locate the Communication\Networks sub directory.
3 Click the network name (NOE77101 in our example) to open the module
configuration table.
4 Under Module Utilities, select Yes in the I/O Scanning box. This will activate the
I/O Scanning tab.
5 Click the I/O Scanning tab to display the I/O scanning configuration screen (see
below).
6 Type in the parameter settings under each of the column headings for the I/O
Scanner Configuration. Refer to the I/O Scanning Parameters table (below) to
see the settings we used for this example.
7 Click the validate check box in the upper tool bar to confirm the I/O scanning
parameter settings.
Module Utilities
Yes
YWes
IO Scanning
Global Data
SNMP
Messaging
Address Server
No
WEB
WEB
WEB
Validate check box