HP 9114 and the HP 1650/1651 Logic Analyzers



#6

I have been considering the purchase of an HP 1651D Logic
Analyzer (very similar to 1650A/D/G, 1651A models), which
is quite sophisticated, allowing programmable labeling of
channels, "reverse assembly" (aka disassembly), etc. Alas,
these devices have no internal storage or floppy, and rely
on the HP-IB and HP-IL interfaces to store setup info on a
remote floppy/computer.

My question is: Is the HP 9114A/B adequate for use as the
external storage device with these logic alalyzers? Is the
HP-41CX (my only HP-IL controller) adequate to save/restore
HP 1651D setup info with the HP 9114? Has anyone got
experience using the HP 1651D family with HP-IL? I presume
the vast majority of users would have connected to an HP-IB
drive, such as the HP 9122, but since I have no HP-IB HW,
I'm curious about the utility of the HP-IL option.

Thanks for any help or tips.

grant..


#7

Sorry, mental butter-fingers there: All references to the
HP 1650/1651 should be 1630/1631.

grant..

#8

There are two versions of firmware for the HP-1630/1631 family, which differ substantially in how they deal with HP-IL.

In one version, the logic analyzer is an HP-IL target device, so you could in theory use the HP-41 to control it or to transfer its configuration to or from media controlled by the HP-41.

In the other version, the logic analyzer is an HP-IL controller, and will load and restore configuration from an HP 82161A digital cassette drive or an HP 9114 disk drive. I think it may also be able to print to an HP-IL printer.

I don't have the logic analyzer manuals handy, so I can't offer any more details or tell you how to distinguish the two versions.


#9

You can set it from the DIP switch in the back of the machine. Page 2-2 of the manual says:

The first five switches set the address of the analyzer for HP-IB operation. Switch 6 executes the analyzer self test when set to 1. The positions of switches 7 and 8 determine the analyzer configuration on the HP-IB/HP-IL interface busses as follows:

Switches
7 8 HP-IL HP-IB
0 0 Inactive 1630 Controller
1 0 External Controller 1630 Controller
0 1 Inactive External Controller
1 1 Inactive 1630 Controller

However, this will not allow it to talk to the 9114A directly. The 1630 can talk to an 9121 HP-IB drive and
this drive's command set (Amigo) is different from that of the 9114A. However, Eric's suggestion is correct, you can use a controller like the 41C to xfer info from the 9114A to the 1630.

**vp


#10

Quote:
However, this will not allow it to talk to the 9114A directly.

Some firmware versions in the 1630/1631 can talk to HP-IL mass storage directly. For those versions, it is not possible to control the instrument over HP-IL.

Unfortunately I do not have detailed information on the firmware versions. I believe I originally saw the information is in the users or programmers manuals. Photocopies can be purchased from Agilent.


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