Allen-Bradley ControlLogix User Manual page 62

4-18 Logix5550 to Logix5550 Controller: Scheduled Communication
1756-6.5.3 - December 1999
2. Make sure that these parameters to are set to the following values:
In this field
Network_Update_Time (ms)
Max Scheduled Address
Max Unscheduled Address
(1)
Remember that the requested packet interval (RPI) for any of the devices on the network
cannot be faster than the NUT.
(2)
This should be set to a value 3 or 4 above the highest scheduled node on the network, in this
case the 1756-CNB module at node 6.
(3)
At a minimum, this should be set to the highest node address on the network, in this case
the 1784-KTXC15 card at node 17.
3. Click on OK.
Next, have RSNetWorx for ControlNet survey the network for all
connected devices.
4. From Selection menu, select Survey Network.
RSNetWorx for ControlNet will survey the network for connected
devices. When it is finished, the network window should appear similar
to that shown below.
1
5. From the Network menu, select Save as.
Select
(1)
5 ms
(2)
10
(3)
20