J-4 junper on a allen bradley cpu card?

[birdly]

What does the J-4 jumper on an allen bradley
503 cpu card do?
It has 2 posistions 1 for peogram and 1 for
protect.

 

[danielmurray]

http://www.ab.com/manuals/cp/1747-um011c-en-p.pdf

Go to page 10-15 of this manual. In Protect, you can not download to the PLC, in program you can.

 

[birdly]

Thank you very much danielmurray, the site you sent
me to helped me very much with other problems.