Re: [foxboro] FDSI driver AB CSP or FDSI Driver Ethernet/IP
- From: Kevin Fitzgerrell <fitzgerrell@xxxxxxxxx>
- To: foxboro@xxxxxxxxxxxxx
- Date: Fri, 1 Oct 2010 17:18:03 +0900
Brad,
Your first example is pretty much what we've done. Not elegant, not
efficient, but works. My head hurts too, so don't feel bad! Really need
this to be addressed in the next version of these drivers....
It really shouldn't be this complicated for a "supported" solution.
Regards,
Kevin
On Fri, Oct 1, 2010 at 4:06 PM, Wilson, Brad <brad.wilson@xxxxxxxxxxxx>wrote:
> No, I'm sorry to say that .WM is not supported in CSP or DH+. Not having a
> system I can test it on, my "thought experiment" would lead me to try 2
> PAKIN blocks, each reading consecutive 16-bit words with the /U2 option and
> PKIOPT=3 to reverse the bits. Then connect those 2 PAKCIN's to II01 and II02
> of a MCIN. The PAKCIN of the MCIN should be what your looking for. (My head
> hurts from trying to mentally work thru that.)
>
> If you're trying to read I or O registers, try the same thing with IIN
> instead of PAKIN and connect the LIN's. (That may not work though, because I
> don't think /U2 works on I & O values.)
>
> If none of that works, then brute force may be your only option ... reading
> 32-bits with a PAKIN and mapping each bit in reverse order (1-16 into 16-1
> and 17-32 into 32-17) into a PAKOUT that is either configured to write to a
> "safe" register or is configured to a "dummy" ECB that is off-line. I think
> the values will still propogate, even though the block will show bad IO.
>
> Good luck.
>
> Brad Wilson
> Invensys Operations Management
> NA Northeast Service
> ________________________________________
> From: foxboro-bounce@xxxxxxxxxxxxx [foxboro-bounce@xxxxxxxxxxxxx] On
> Behalf Of Kevin Fitzgerrell [fitzgerrell@xxxxxxxxx]
> Sent: Thursday, September 30, 2010 8:12 PM
> To: foxboro@xxxxxxxxxxxxx
> Subject: Re: [foxboro] FDSI driver AB CSP or FDSI Driver Ethernet/IP
>
> Brad,
> That is what we need in all the AB FDSI drivers. I saw that in the
> EthernetIP manual you've referenced. I don't see it documented for the CSP
> or DH+ driver - can you confirm this is available in those?
>
> Regards,
>
> Kevin
>
> On Fri, Oct 1, 2010 at 12:58 AM, Wilson, Brad <brad.wilson@xxxxxxxxxxxx
> >wrote:
>
> > Using the :WM option on the PKINGP parameter doesn't work? That seems to
> be
> > what it is designed for ... bit-mirroring each 16-bit word (Fig 3-8 of
> > B0700BU_B).
> >
> > "what i need is something that flips the first 16 bits, and then flips
> the
> > second 16 bits"
> >
> > Brad Wilson
> > Invensys Operations Management
> > NA Northeast Service
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