They haven't sold them for years, which is why you wouldn't see info on their site. But I had no trouble finding it on BP's site, though I did have to free-register with their site first.
Anyone who needs a copy of the BP software can just PM me. I even have a couple of ancient DOS text-mode versions somewhere for those who would prefer that. Way back when, we had some EP-1132 units at a place I worked, and we even used the DOS software without a programmer for its scripting abilities.
I am in need