Experimental Physics and
Industrial Control System

Hi Eusebio,

the fields HIGH and LOW are scalar fields, not link fields, therefore they cannot solicit values from other records, but they can be set by output links from other records. With proper scanning added, the following should work

record(ao, "alarm_lim_dynamic:Low")
{
    field(DESC, "Test")
    field(PINI, "YES")
    field(OUT, "temperature.oil.LOW")
}

record(ao, "alarm_lim_dynamic:High")
{ 
    field(DESC, "Test")
    field(PINI, "YES")
    field(OUT, "temperature:oil.HIGH")
}

record(ai, "temperature:oil")
{
    field(DESC, "Oil temperature in the engine")
    field(HSV, "MINOR")
    field(LSV, "MINOR")
}

HTH - rolf -

record(ao, "alarm_lim_dynamic:Low")
{
    field(DESC, "Test")
    field(PINI, "YES")
}

record(ao, "alarm_lim_dynamic:High")
{ 
    field(DESC, "Test")
    field(PINI, "YES")
}

record(ai, "temperature:oil")
{
    field(DESC, "Oil temperature in the engine")
    field(HIGH, "alarm_lim_dynamic:High.VAL")
    field(LOW, "alarm_lim_dynamic:Low.VAL")
    field(HSV, "MINOR")
    field(LSV, "MINOR")
}

Replies:

Re: Dynamic limits in alarms Eusebio Naif Al-Soliman Fuentes via Tech-talk

References:

Dynamic limits in alarms Eusebio Naif Al-Soliman Fuentes via Tech-talk

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