Experimental Physics and
Industrial Control System

>>> "CL" == Carl Lionberger <[email protected]> writes:

  CL> For some time there were fields for specifying the one severity, zero
  CL> severity, and change-of-state severity for each bit (yes, 48 fields)
  CL> in mbbiDirectRecord.dbd; as far as I know there was never any code
  CL> for dealing with these fields in mbbiDirectRecord.c and now in 3.13.3
  CL> they have been removed from the dbd file.

The problem with trying to use these would be that the alarm status and
severity are global properties of the record.  There is no way for a client
to know which bit(s) actually caused the record to go into alarm.

Without that, the utility of these alarms seems quite limited.

----
Brian McAllister                    Controls Programmer/Beam Physicist
[email protected]                        MIT-Bates Linear Accelerator
(617) 253-9537                                           Middleton, MA

Navigate by Date:

Prev: Re: bitwise severities on mbbiDirect Benjamin Franksen

Next: Re: Support for HP8656B Andrew Johnson

Index: 1994  1995  1996  1997  1998  1999  2000  <2001>  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 

Navigate by Thread:

Prev: Re: bitwise severities on mbbiDirect Benjamin Franksen

Next: Support for HP8656B Vitaliy Vziskin

Index: 1994  1995  1996  1997  1998  1999  2000  <2001>  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024