[time-nuts] Off the wall: anyone with experience programming HP 3456A?

[Brooke Clarke]

Hi John:

It may be that there are other register bits that need to be enabled in 
order to let the SRQ out.  Is there a status register diagram in the manual?

Have Fun,

Brooke

John Ackermann N8UR wrote:

> By any chance, has anyone here done any GPIB programming of the HP 3456A
> DMM?  I am having great trouble getting it to output SRQ at the end of a
> reading; it appears as though it simply doesn't recognize the "SM"
> command that the manual says should be used to set the SRQ mask.
> 
> Setting the mask with, e.g., "SM004" which according to the manual
> should cause SRQ to be asserted at the completion of a reading, results
> in the "004" being briefly displayed on the LED during setup, but no
> sign of SRQ actually being asserted.  I've tried numerous values of the
> octal code representing the status byte, but all act the same.
> 
> I realize it's a long shot, but wonder if anyone here has wrestled with
> this?
> 
> Thanks,
> 
> John
> 
> _______________________________________________
> time-nuts mailing list
> time-nuts at febo.com
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> 
> 

-- 
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com