control logix msg slc read / write. in a 24 hour period i have 5600 successful and 60 failed. failed with ".err 656" and ".exterr 516" unconnected message timeout. i currently have 72 message instructions that are controlled (dn / er bit executes next msg). i am using clx L75, and en2t module...
Can anyone give me the pros and cons of an ungrounded wye primary / grounded delta secondary. Currently their is grounded wye primary, we are looking to reefed and considering going with an ungrounded wye primary.
