Ipconfig pm864a hot spare redundant issue
I have a hotspare pm864a (without io or cb modules) controller connected to virtual 800xa servers and everything is working properly.
I tried to install a seconde controller (same firmware and restaured to default by ipconfig tool) to make a redanducy and connected RCU link upper to primary.
I followed abb procedure to set up adresse to a primary cpu but the redudant goes to error (red led flash each 2 sec for 2 sec)
The controller is ok because I tested it alone and it works.
In control builder the project is set to redundant controller so nothing to change.
1st ethernet has a warning no communication to backup cpu. the seconde ethernet port is disabled.
Is there any idea fir this problem or I missed some steps?
Thank you in advance.
Please provide CPU log file. Some ideas to check could be:
1. Mount the CEX-Bus extension cable TK850 directly to the CEX-Bus on the processor unit
2. Connect the RCU Link Cable TK851 to both CPUs
3. Connect the Control Network cables to CN1. Control Network should be connected to both CPU's
4. Load the same firmware to both CPU's
5. Connect IP config tool only to Primary CPU and check the settings for both (primary and secondary). Don't load separatelly IP addresses to each single CPU, if they are used as redundant pair
I recently did the same with a pair of PM866.
As earlier mentioned, you need to connect CEX extension cable as well as the RCU-cable.
Also observe that you have to use the IpConfig (serial) SW, to activate and set the secondary CPU adress (in the primary CPU config) to 0.0.2.0 or in my case 172.16.2.3 when the primary address is 172.16.0.3. Also submit subnet mask.
Load your application with redundant config again. When this is done you will hopefully loose the Ethernet warning of "no comms to secondary unit".
Follow the below scenrio to configure the IP address of the PM redundant.
pre-requisite:both controllers should be in same firmware level
scenario1: if BC810 and CEX bus modules used between the controller.
reply: use RCU TK851 cable only between PM and BC and don't use TK850 CEX bus cable exntension and follow the IP config procedure.
Scenario2: if BC810 not used.
reply:use TK850 cable along with TK851 cable between the controller else redundant controller will come online as standby and follow the IP config procedure