21: DATA LINK COMMUNICATION
OPENNET CONTROLLER USER’S MANUAL 21-7
Programming WindLDR
The Data Link page in the Function Area Settings must be programmed for the data link master station. Only when baud
rate of 38400 bps is used, the baud rate must also be selected for slave stations on the Data Link page of WindLDR. Any
other settings are not needed for slave stations.
Since these settings relate to the user program, the user program must be downloaded to the
OpenNet Controller after
changing any of these settings.
1. From the
WindLDR menu bar, select Configure > Function Area Settings. The Function Area Setting dialog box
appears.
2. Click the Comm Port tab and make sure that the check box to the left of Enable Communication Format Selection
for the Data Link Port (RS485) is unchecked. If the check box is on, click the check box to delete the check mark so
that you can proceed with the following procedures.
3. Select the Data Link tab.
Enable Data Link Click the check box on the left to use the data link communication.
Refresh Operation Click the button for separate refresh (default) or simultaneous refresh. See page 21-8.
Baud Rate Select 19200 or 38400 bps.
When the data link system consists of only
OpenNet Controllers and FA-3S serial
interface module PF3S-SIF4, select 38400 bps for faster communication.
When the data link system includes the MICRO
3
or MICRO
3
C, select 19200 bps.
Data Link Transmit/Receive Data Quantity (Words)
Scroll the slave station number using the up and down buttons on the left. Select the
quantity of data registers used for transmit and receive data per slave station. The data
words can be selected from 0 through 10 words.
Uncheck this box.
Baud Rate
19200 or 38400 bps
Slave Station Number
1 through 31
Transmit/Receive Data
Quantity (Words)
Select the quantity of data
registers for transmit and
receive data per slave station:
0 through 10 words
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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