Thanks Ned!
This occurred to me when I was perusing the manual and Tech talk, two could be used with some kind of addressing.
I can scrounge up some devices to talk (and some cables) to I will test the addressing. We have beam circulating where we hope to use this as a "spare". Next access will be in March.
Thanks again,
Bill Waggoner
STAR
-----Original Message-----
From: Ned Arnold [mailto:[email protected]]
Sent: Wednesday, February 22, 2006 7:27 PM
To: Waggoner, Bill
Cc: APS tech-talk
Subject: Re: GPIB swap 1014D with 1014
Hi Bill,
We also use both the 1014D and 1014. Although I have not tried it for
several years, I think your evaluation is pretty accurate ... but one
can easily replace a 1014D with two 1014s.
By default:
A16 address for the #L0 card is 0x5000
A16 address for the #L1 card is 0x5200
The 1014D covers both address spaces if the base address is set to
0x5000, thereby servicing #L0 and #L1.
So, if you replace the 101D with two 1014s, you don't even have to
change your databases.
Ned
Waggoner, Bill wrote:
> Greetings from STAR on LI,
>
>
>
> We have three subsystems using NI 1014 type GPIB interfaces. All of
> these have been running for many years, and all are using 3.12 EPICS.
>
>
>
> One subsystems uses a 1014D, dual port interface. It was brought to my
> attention that we have no spare for this system. I was looking into the
> problems that would arise should we have to swap this with a 1014 mono
> port interface. We have several spare 1014, and our other option would
> be to buy another 1014D
>
>
>
> From the code, and the device support, the startup scripts, and the
> state programs we use for the two types of interfaces I see no real
> differences. The only difference is in the record fields where the dual
> port has two lines #L0 and #L1 in its database.
>
>
>
> Would a swap only involve a database change? What hardware
> considerations are involved? I have had no previous experience (up to
> 24 hours ago) with GPIB, and have been perusing the manuals, and tech
> talk. Normally I would just play, but we are now buttoned up with beam
> for this system, and wont have access for weeks.
>
>
>
> Any answers, and suggestions are greatly appreciated.
>
>
>
> Thanks in Advance,
>
> Bill Waggoner
>
> STAR
>
> BNL
>
>
>
> PS Eventually.. next year? we might upgrade this to EPICS 3.13 or
> 3.14.. but time constraints aren’t going to allow that for this run.
>
>
>
>
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