CHAPTER 3: CONFIGURING A CONTROL SYSTEM
SNAP PAC Redundancy Option User’s Guide
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6.
Select Controller 1, and click “read the current settings” to see if the controller is already set up
for redundancy. If it is, skip to
NOTE: If the PAC Redundancy Manager cannot find the address, you will receive an error message. If
you receive an error message, check the following:
•
Did you enter the IP address correctly when you created the control engine?
•
Is the controller turned on?
•
Is the controller correctly connected to an Ethernet hub using a straight-through cable? Is the PC
on the same subnet as the controller? See the PC’s user’s guide for networking information.
7.
Enter a secondary IP address and subnet for ENET 2 of Controller 1.
The ENET 2 port is used to connect the controllers to each other. The recommended settings
for ENET 2 for Controller 1 are as follows:
–
Secondary IP Address: 172.22.22.2
–
Subnet Mask: 255.255.255.240
NOTE: Make sure the secondary address for Controller 1 is even, such as 172.22.22.2. And, make sure
the secondary address for Controller 2 is odd, such as 172.22.22.3. In addition, the two IP addresses
must be sequential, such as 172.22.22.2 and 172.22.22.3.
8.
Select Controller 2 and repeat the steps above for the second controller.
The recommended settings for ENET 2 for Controller 2 are as follows:
–
Secondary IP Address: 172.22.22.3
–
Subnet Mask: 255.255.255.240
9.
When all the secondary IP address fields are correct, click Apply Settings.
