HP-IL/RS232C Interface

From: Don Maslin <donm_at_cts.com>
Date: Fri Dec 10 16:34:18 1999

On Fri, 10 Dec 1999, Joe wrote:

> >I would certainly appreciate a copy of the manual. Seems like I picked
> >up an ISA HP-IL card a while back and the software to drive it, too.
>
> Those are cool but they only run on a slow PC ( <~30 MHz).

Clock or bus?
 
> If
> >I interpret correctly, you are telling me that the HP-IL/RS-232C
> >Interface is a receive only device, or am I misreading you.
>
> You can consider it recieve only but it recieves from either side! Then
> it transmits out the opposite side.

Gotcha!
 
> It can be both a talker and a reciever but it has no controller
> capability. It's used as a translator between HP-IL loop and RS-232 bus. It
> can send data either way but you have to have some sort of a HP-IL capable
> computer to act as the IL loop controller. For example you can use a HP
> calculator with the IL interface and this device to drive a RS-232 printer
> or you could use them to operate a meter with a RS-232 inteface (both
> sending and receiving). But you can't use a computer with a RS-232
> interface and this to run HP-IL equipment like a HP 3468 meter.

OK, I think I have the picture now.

                                                 - don
 
Received on Fri Dec 10 1999 - 16:34:18 GMT