Problem Networking communications with CPU EST3 SDU

[edgarojas]

Hi.

I need to change a serial number Siga CT1 but i cant download the programmation. I don't have comunication to CPU Can you help me please?

Thanks

[Leo]

your only chance is to just put it in
it will work or it will not
what do you mean by "I don't have comunication to CPU"
I am not an EST tech or I am an EST and I can not comm to cpu