Experimental Physics and
Industrial Control System

Hello!

 

I’m pretty confused as to why I can’t get the IVOA/IVOV fields to work as expected on a simple calcout record, could someone please help me?

 

The goal is to have a more robust ‘power’ status PV for use in some CS-Studio (Phoebus) pages using a combination of two PVs; a calcout to generate the state, and an mbbi to represent it. Everything I want it to do works just fine EXCEPT that I can’t seem to get the calcout to respect the ‘InValid Output Action’ (IVOA) setting: “Set output to IVOV” where IVOV is “5”.

 

I’m currently just testing this with dummy PVs, but no matter what I do, the calcout just never seems to respect my IVOA/IVOV definitions. I’ve tried commenting out one of the dummy PVs that’s being used as an input, and, as seen in the example below, I’ve tried making one of the inputs ‘INVALID’ by setting it’s .OSV to ‘INVALID’... but it isn’t working like I expected it to.

 

I’m running EPICS 3.15.8.

Unless I missed something, I see no issues being presented in the outputs from my IOCs ‘make distclean all’ or startup script.

The spelling I’m using is exactly the same as what I see in my /usr/lib/epics/dbd/menuIvoa.dbd.

 

Below, I’ve included the relevant .db/.tmpl code, comments and all, and the live output of some PVs/fields below. It’s got to be something simple that I’m missing, but I’m just not seeing it. Any help would be greatly appreciated!

 

Thanks so much!

-Dan

 

```

# ==========================================================================================

# IOC .db file defining calcout & mbbi records for PWR_LED (multi_state_led)

#            (Running EPICS 3.15.8)

# ==========================================================================================

#

# SUBSTITUTION MACROS:

#            file "PWR_LED.tmpl"

#            { pattern {SYS, SUB, DEV, DEVPS, INST, SIG}

#                {"REA", "TEST", "DH", "PSD", "DNNNN", "I"}

#            }

#

# CALCOUT Logic:

#   If _ON_RSTS_==1:

#       mbbi := {1: 'On'}

#   If ILK_RSTS==1:

#       mbbi := {2: 'Interlocked'}

#   If IN_USE==1 && CSET != 0:

#       mbbi := {3: 'Off (CSET != 0)'}

#   If _ON_RSTS_==0:

#       mbbi := {0: 'Off'}

#   If neither of the above conditions are met, or either of the calcout INP fields are INVALID/disconnected:

#       mbbi := {4: 'Invalid'}

#

#

# LED States*:

#   state[0]: value = '0', label = '', color = 'off'

#   state[1]: value = '1', label = '✔', color = 'normal'   # On

#   state[2]: value = '2', label = '✖', color = 'major'    # Interlocked

#   state[3]: value = '3', label = '', color = 'off'        # Border will indicate MINOR alarm (orange)

#   state[4]: value = '4', label = '', color = 'gray'       # Not currently possible

#   state[5]: value = '5', label = '?', color = 'invalid'   # Calcout has an invalid/disconnected input

#

# [*] Short labels; limited space w/ circular LED. 'color' values match those in opscodex/etc/default_config.json; see opscodex docs for how to set widget states with these values.

#

# ------------------------------------------------------------------------------------------

# CALCULATE STATE

# ------------------------------------------------------------------------------------------

record(calcout, "_$(SYS)_$(SUB):$(DEV)_$(INST):PWR_LED"){

    field(DESC, "Calculates 'Power State'")

    field(DTYP, "Soft Channel")

    field(PINI, "YES")

 

    field(INPA, "$(SYS)_$(SUB):$(DEVPS)_$(INST):ON_RSTS CP MS")     # (bo) {0: 'Off', 1: 'On'}

    field(INPB, "$(SYS)_$(SUB):$(DEV)_$(INST):IN_USE CP MS")        # (bo) {0: 'Not In Use', 1: 'In Use'}

    field(INPC, "$(SYS)_$(SUB):$(DEVPS)_$(INST):ILK_RSTS CP MS")    # (bi) {0: 'Ok', 1: 'Interlocked'}

    field(INPD, "$(SYS)_$(SUB):$(DEVPS)_$(INST):$(SIG)_CSET CP MS") # (ao) (Setpoint)

    field(INPE, "$(SYS)_$(SUB):$(DEVPS)_$(INST):$(SIG)_RD CP MS")   # (ai) (Readback) (only included to help capture invalid/disconnected states)

    field(CALC, "A==1?1:C==1?2:(B==1 && D!=0)?3:A==0?0:5")

 

    field(DOPT, "Use CALC")     # Default

    field(OOPT, "Every Time")   # Default (Might change to "On Change")

    field(IVOV, "5")

    field(IVOA, "Set output to IVOV")

 

    field(OUT,  "$(SYS)_$(SUB):$(DEV)_$(INST):PWR_LED PP")

}

 

# ------------------------------------------------------------------------------------------

# STATUS PV

# ------------------------------------------------------------------------------------------

# Intended for use by multi_state_led widgets in .bob files; not initially designed for use in an alarm server.

# See comments at top-of-file for how LED States are displayed.

record(mbbi, "$(SYS)_$(SUB):$(DEV)_$(INST):PWR_LED"){

    field(DESC, "Status for Power LED")

    field(DTYP, "Soft Channel")

    field(SCAN, "Passive")

 

    field(INP,  "_$(SYS)_$(SUB):$(DEV)_$(INST):PWR_LED") # (calcout) (including as INP allows inspection of derivation via EPICS PV Tree)

 

    field(ZRST, "Off")

    field(ONST, "On")

    field(TWST, "Interlocked")

    field(THST, "Off (CSET != 0)")      # LED.state[3] uses same 'off' color as state[0]

    field(THSV, "MINOR")                # LED border will indicate 'MINOR' alarm. (Device should be turned back on, the setpoint should be zeroed, or IN_USE should be set to False)

    field(FRST, "Section not In Use")   # state[4] isn't possible with how the calcout above is currently written.

    field(FVST, "Invalid")

}

```

 

# ==========================================================================================

# LIVE PV Data relating to the mbbi & calcout records created by the above .db file

# ==========================================================================================

# mbbi record to be used by multi_state_led widget

# ------------------------------------------------------------------------------------------

#NAME,                                                                        READING,                                                      STATUS

REA_TEST:DH_DNNNN:PWR_LED                           Off

REA_TEST:DH_DNNNN:PWR_LED.RVAL                 0.000

REA_TEST:DH_DNNNN:PWR_LED.INP                   _REA_TEST:DH_DNNNN:PWR_LED NPP NMS

                                                                       

REA_TEST:DH_DNNNN:PWR_LED.DTYP                 Soft Channel

REA_TEST:DH_DNNNN:PWR_LED.SCAN                Passive

                                                                       

REA_TEST:DH_DNNNN:PWR_LED.ZRST                 Off

REA_TEST:DH_DNNNN:PWR_LED.ONST                On

REA_TEST:DH_DNNNN:PWR_LED.TWST                Interlocked

REA_TEST:DH_DNNNN:PWR_LED.THST                 Off (CSET != 0)

REA_TEST:DH_DNNNN:PWR_LED.FRST                 Section not In Use

REA_TEST:DH_DNNNN:PWR_LED.FVST                 Invalid

                                                                       

                                                                       

# ------------------------------------------------------------------------------------------

# calcout record that sets state of mbbi record

# ------------------------------------------------------------------------------------------

#NAME,                                                                        READING,                                                      STATUS

_REA_TEST:DH_DNNNN:PWR_LED                         0                                                                      LINK

_REA_TEST:DH_DNNNN:PWR_LED.SEVR               INVALID                                                                        LINK

_REA_TEST:DH_DNNNN:PWR_LED.OUT                REA_TEST:DH_DNNNN:PWR_LED PP NMS            LINK

                                                                       

_REA_TEST:DH_DNNNN:PWR_LED.DTYP               Soft Channel                                                 LINK

_REA_TEST:DH_DNNNN:PWR_LED.SCAN              Passive                                                           LINK

_REA_TEST:DH_DNNNN:PWR_LED.IVOA               Set output to IVOV                                       LINK

_REA_TEST:DH_DNNNN:PWR_LED.IVOV               5.000                                                              LINK

_REA_TEST:DH_DNNNN:PWR_LED.DOPT                            Use CALC                                                       LINK

_REA_TEST:DH_DNNNN:PWR_LED.OOPT                            Every Time                                                    LINK

                                                                       

# INPUTS

_REA_TEST:DH_DNNNN:PWR_LED.INPA               REA_TEST:PSD_DNNNN:ON_RSTS CP MS LINK

_REA_TEST:DH_DNNNN:PWR_LED.A                     0.000                                                              LINK

REA_TEST:PSD_DNNNN:ON_RSTS                           0                                        

                                                                       

_REA_TEST:DH_DNNNN:PWR_LED.INPB               REA_TEST:DH_DNNNN:IN_USE CP MS                   LINK     

_REA_TEST:DH_DNNNN:PWR_LED.B                     1.000                                                              LINK

REA_TEST:DH_DNNNN:IN_USE.RVAL                     1.000                                                              STATE

# * More IN_USE PV values in next section

                                                                       

_REA_TEST:DH_DNNNN:PWR_LED.INPC               REA_TEST:PSD_DNNNN:ILK_RSTS CP MS LINK

_REA_TEST:DH_DNNNN:PWR_LED.C                      0.000                                                              LINK

REA_TEST:PSD_DNNNN:ILK_RSTS                           Ok

                                                                       

_REA_TEST:DH_DNNNN:PWR_LED.INPD               REA_TEST:PSD_DNNNN:I_CSET CP MS                   LINK

_REA_TEST:DH_DNNNN:PWR_LED.D                     0.000                                                              LINK

REA_TEST:PSD_DNNNN:I_CSET                 0

                                                                       

_REA_TEST:DH_DNNNN:PWR_LED.INPE               REA_TEST:PSD_DNNNN:I_RD CP MS                       LINK

_REA_TEST:DH_DNNNN:PWR_LED.E                      0.000                                                              LINK

REA_TEST:PSD_DNNNN:I_RD                                   0

                                                                       

# CALC

_REA_TEST:DH_DNNNN:PWR_LED.CALC               A==1?1:C==1?2:(B==1 && D!=0)?3:A==0?0:5           LINK

 

 

# ------------------------------------------------------------------------------------------

# bo record being used to test 'INVALID'

# ------------------------------------------------------------------------------------------

#NAME,                                                                        READING,                                                      STATUS

REA_TEST:DH_DNNNN:IN_USE.RVAL                     1.000                                                              STATE

REA_TEST:DH_DNNNN:IN_USE.VAL                        In Use                                                             STATE

REA_TEST:DH_DNNNN:IN_USE.SEVR                     INVALID                                                                        STATE

 

REA_TEST:DH_DNNNN:IN_USE.DTYP                     Soft Channel                                                 STATE

REA_TEST:DH_DNNNN:IN_USE.ZSV                        NO_ALARM                                                   STATE

REA_TEST:DH_DNNNN:IN_USE.OSV                       INVALID                                                                        STATE

 

# ----------------------------------------- End of example -------------------------------------------------

 

+++++++++++++++++++++++++++++

Dan Crisp

FRIB @ Michigan State

SIEA HMI & IOCs

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