OPC will not write to AB L32E - Will Read

OPC will not write to AB L32E - Will Read.
I have been able to set up a OPC Server using the NI OPC Server, using the ControlLogix Ethernet driver for the AB 1769-L32E PLC.
All of the tags can be seen. The Lookout 6.7.1 will see real time data, but anything I write too, never shows up in the PLC.
Using the OPCclient in Lookout. Their is No alarm's, other than a value has been adjusted by direct user input..
Their is no comm errors.
I just purchased this software last month.
The NI OPC Server, Events, no errors.
Thanks.
Dave
Solved!
Go to Solution.

Thanks for your posts because I knew this should be possible. Here is what I found. Check step 4 of your channel in case your value updating is wrong or Step 11 of device is set to do not create on startup.
Thanks to the folks at Kepware. I was able to get this working for CompactLogix L32E.
Step 1: In NI OPC Server Create a new Channel. Channel Name can be whatever you want.
Step 2: Device driver will be ControlLogix Ethernet. You can also enable diagnostics if you want.
Step 3: Network adapter. I used default setting.
Step 4: Write only latest values. Duty at 10. ( These are default settings and are recommended.)
Step 5: Finish new Channel setup
Step 6: Click on Icon to create new device
Step 7: Device Name can be whatever you chose.
Step 8: Select Device Model in this case CompactLogix 5300
Step 9: Device ID For me was IP Address XXX.XXX.XXX.XXX,1,0 (Note the 1 directs path to backplane. The 0 to the slot where processor is)
Step 9: Device timing. Leave at defaults.
Step 10: Auto demotion leave unchecked.
Step 11: Leave at defaults Do not generate on startup Delete on create and allow subgroups
Step 12: Port and watchdogs at default settings
Step 13: Project options leave at default. (In my case I changed to short as that is what most of my tags were)
Step 14: Create tagname from device.
Step 14: Finish Device setup.
You now have two options.
Option 1: Start creating tags as you need them. (This is what I did)
Option 2: Right Click newly created device and select properities. Then select database creation and click auto create.
Go To Lookout and create new driver.
Select OPC Client
Server name will be from dropdown menu. National Instruments:NIOPCServers
Click okay
You should be done and smiling.

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