Hi @Maxi ,
Welcome to the Community!
Yes, you can use ACOPOS 1045.00-1 in combination with X20CP1583, but you need an additional card plugged in the ACOPOS, for example for the powerlink communication you can use the old 8AC112 or the new 8AC114:
Which card do you see in your ACOPOS?
Thanks
Ciao
Valerio