Rockwell Automation 1203-CN1 ControlNet Communications Module 1203-CN1 - Manual (Page 57)

Publication 1203-5.13 – February, 2002
Configuring a Controller to Communicate with the 1203-CN1 Module 4-13
Verifying Network Properties
For your network to function properly, you must set the correct
properties. To verify that the correct properties are set, follow these
instructions:
1. Click the Edits Enabled box.
2. In the Network menu, select Properties. The Network
Properties: ControlNet dialog box appears.
Figure 4.14
Network Parameters Tab of the Network Properties: ControlNet Dialog Box
3. In the Network Parameters tab, verify:
• The value in the Network Update Time(ms) field is 5 or
greater.
Important: Do not set the Network Update Time lower than 5 ms.
Important: Set the Network Update Time equal to or lower than the
RPI times set for the devices on the network.
• The number in the Max Scheduled Address field is higher
than or equal to the highest node number with which you’ll
do I/O.
• The number in the Max Unscheduled Address field is
higher than or equal to the highest node number on the
network.
• The correct type of media redundancy is selected in the
Media Redundancy field.