[time-nuts] GPIB/HPIB Address 31, Talk Only

2013-08-07 Thread stan, W1LE

Hello The Net,

Is address 31, for talk only, a HP/Agilent feature only, or do tothers 
provide talk only on the buss ?


I am looking at RF frequency counters to 12 GH, for use with TimeLab.


Stan, W1LE Cape Cod   FN41sr
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Re: [time-nuts] GPIB/HPIB Address 31, Talk Only

2013-08-07 Thread Mike S

On 8/7/2013 3:22 PM, stan, W1LE wrote:


Is address 31, for talk only, a HP/Agilent feature only, or do tothers
provide talk only on the buss ?


My understanding is that 31 is illegal as a device address, used to 
untalk/unlisten all devices. Perhaps what you mention is something from 
early HPIB (as opposed to newer GPIB/IEEE-488).


There are non-HP talk-only devices, but they would use a normal 0-30 
device address.


But, I could be wrong, I don't pretend to be an expert on 488.

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Re: [time-nuts] GPIB/HPIB Address 31, Talk Only

2013-08-07 Thread Brent Gordon

That's part of the GPIB standard.  It should work on any GPIB system.

On 8/7/2013 1:22 PM, stan, W1LE wrote:

Hello The Net,

Is address 31, for talk only, a HP/Agilent feature only, or do tothers 
provide talk only on the buss ?


I am looking at RF frequency counters to 12 GH, for use with TimeLab.


Stan, W1LE Cape Cod   FN41sr


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Re: [time-nuts] GPIB/HPIB Address 31, Talk Only

2013-08-07 Thread Prologix
Hi Stan,

As per the GPIB standard [1], valid primary addresses are 0-30. A few
instruments use address 31 to specify TALK ALWAYS mode, but it is by no
means a standard. Not even among HP/Agilent devices.

[1] ANSI/IEEE Std 488.1-1987

Regards,
Abdul

-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of stan, W1LE
Sent: Wednesday, August 07, 2013 12:23 PM
To: time-nuts@febo.com
Subject: [time-nuts] GPIB/HPIB Address 31, Talk Only

Hello The Net,

Is address 31, for talk only, a HP/Agilent feature only, or do tothers
provide talk only on the buss ?

I am looking at RF frequency counters to 12 GH, for use with TimeLab.


Stan, W1LE Cape Cod   FN41sr
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