Rockwell Automation 1785-CHBM ControlNet Hot Backup Quick Start User Manual
Page 5
5
Publication 1785-QS001A-EN-P - January 2001
1. For each processor node of your backup system, you must
create two scheduled peer-to-peer messages; one Send and
one Receive message for each. These messages must be
exactly 5 words in length.
2. Record the Send and Receive message numbers from the odd
processor node below:
3. Send message number:__________
4. Receive message number:__________
5. You will use these numbers later in the configuration process.
6. For the Requested Packet Interval (RPI), enter a value from 1
to 32,767.
7. This value must equal the Network Update Time (NUT).
Configure I/O
Configure any rack and module connections you have in your
backup system. Do this by changing the connection from the default
setting of Exclusive Owner to a Redundant connection.
Important: You must do this for BOTH processors.
After you change the connection setting, save your configuration. If
the system is properly configured, the I/O LEDs on the ControlNet
PLC-5 processors will be solid green.
Create and Configure the ControlNet Backup Integer File
1. Launch RSLogix 5.
2. Under the Controller folder, open the ControlNet Hot Backup
menu.