Please refer to Allen Bradley manuals, concerning how to make your connections for DH+. Unless it has changed, I understood it as having to daisy-chain, from one device to the other. So, from the PKTX to the SLC or the first PLC5, then the next and so forth. At one of our mainline stations...
Depending on what version of software, yes you can, install A.I. Series software on the same computer as RSLogix. If the DOS software is ICOM(before Rockwell bought it), then I'm not sure.
As your second question, concerning using the RSLogix licence to run A.I. Series software, no. You will...