26: LONWORKS INTERFACE MODULE
26-10 OPENNET CONTROLLER USER’S MANUAL
Function Area Setting for LONWORKS Node
The quantity of transmit/receive data for LONWORKS network communication is specified using the Function Area Setting
in WindLDR. The OpenNet Controller CPU module recognizes all functional modules, such as LONWORKS interface,
DeviceNet slave, and analog I/O modules, automatically at power-up and exchanges data with LONWORKS nodes through
the link registers allocated to each node.
Since these settings relate to the user program, the user program must be downloaded to the OpenNet Controller CPU
module after changing any of these settings.
Programming WindLDR
1. From the WindLDR menu bar, select Configure > Function Area Settings. The Function Area Setting dialog box
appears.
2. Select the Open Bus tab.
3. Select transmit and receive data bytes for module position 1 through 7 where the L
ONWORKS interface module is
mounted.
4. Click the OK button and download the user program to the OpenNet Controller.
Configure Communication
Master Module Check Box
Check this box only when
the remote I/O master
module is used.
Quantity of Nodes Connected
When using the remote I/O mas-
ter module, specify the quantity
of nodes from 1 through 32.
Slave Station
Transmit/Receive
Data Quantity (Bytes)
When using L
ONWORKS inter-
face module or DeviceNet
slave module, specify the
data bytes to communicate
through each interface or
slave module.
Transmit/Receive Bytes 0 to 8
(default: 8 bytes)
This value determines the data
quantity 0 through 8 bytes (64
bits) to communicate with the
network.
For the example on the next
page, select 8 transmit bytes and
4 receive bytes for Module 1.
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