Experimental Physics and
Industrial Control System

I've run into a problem with the xvme-566 adc.  If I try to use
it in either of the differential input modes I get an error from the
driver at iocInit time.  We want to use it in "scanned-differential"
mode.

The error message is:
  PV: blioc402:diffAdc000 devAiXy566Di (init_record) ai_xy566_driver
error

I've looked at the driver and it seems like it should ought to work, but
since it doesn't, I must be missing something.  Does anyone have any
ideas?

Let's see ... R3.13.0b12, mv162, the board works fine in single-ended
mode
(which probably won't be good enough for this application), vxWorks 5.2.
The record is attached.

TIA!
-- 


Disclaimer:  Any opinions are my own and have	  | -bill
  nothing to do with the official policy or the   |  [email protected]
  management of L.B.N.L, who probably couldn't    |  Berkeley, CA
  care less about employees who play with trains. |  aka
[email protected]

grecord(ai,"blioc402:diffAdc000") {
	field(DESC,"Gen. Purp. ADC 0-0")
	field(SCAN,".1 second")
	field(DTYP,"XYCOM-566 Dif Scanned")
	field(DISS,"MAJOR")
	field(INP,"#C0 S0 @")
	field(PREC,"3")
	field(LINR,"LINEAR")
	field(EGUF,"2..")
	field(EGUL,"-2.o")
	field(EGU,"V.")
	field(HOPR,"2.0")
	field(LOPR,"-2.0")
}

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