[time-nuts] OT: Anyone programmed HP 59306A relay actuator (or other old device)?
brooke at pacific.net
Sat May 24 13:26:37 EDT 2008
Sorry about that. You're correct EOI and a number of the other control signals
are not used. Do you have a complete schematic, mine has the left side missing
and I can't read the names of the lines.
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Dr. David Kirkby wrote:
> Brooke Clarke wrote:
>> But, since there's no micro controller you should not send any
>> characters after the single command byte. No <CR><LF>, no <EOI>. You
>> may need to explicitly set the termination sequence so that these are
> Looking at the manual on the HP 59306A, it says of the EOI line "Not
> monitored or driven, terminated by resistive network". This rather
> suggests to me it will make no difference whether the EOI is asserted or
> not and so whether I open the device with
> dd=ibdev(0, gpib_address, 0, T3s, 1, 0);
> dd=ibdev(0, gpib_address, 0, T3s, 0, 0);
> will make no difference.
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