Experimental Physics and Industrial Control System
Pavel,
This may be different than what you're looking for but..
I've found it helpful to have simulated power supplies with which to play before the real things are installed.
I've attached them below on the off-chance that they could be useful to someone.
Four records per PS provide "command set", "readback of set point", "readback of actual current", plus a helper calcout for ramping and noise.
Cheers -Mathias
# simulated power supply records for quadrupole magnets
record(ao, "$(sys)_$(sub):$(psnam)_$(inst):I_CSET")
{
field(DESC, "magnet power supply")
field(EGU, "A")
field(PREC, "1")
field(VAL, "0.0")
}
record(calc, "$(sys)_$(sub):$(psnam)_$(inst):I_RSET")
{
field(DESC, "simulated p/s set pt")
field(EGU, "A")
field(PREC, "1")
field(INPA, "$(sys)_$(sub):$(psnam)_$(inst):I_CSET PP NMS")
field(CALC, "A")
}
record(ai, "$(sys)_$(sub):$(psnam)_$(inst):I_RD")
{
field(DESC, "magnet power supply")
field(EGU, "A")
field(PREC, "1")
field(VAL, "0.0")
}
record(calcout, "$(sys)_$(sub):$(psnam)_$(inst):I_LAG")
{
field(DESC, "co mimics ramping ps")
field(EGU, "A")
field(PREC, "4")
field(INPA, "$(sys)_$(sub):$(psnam)_$(inst):I_CSET PP NMS")
field(INPB, "$(sys)_$(sub):$(psnam)_$(inst):I_RD PP NMS")
field(C, "5") # this determines how fast the p/s ramps..
field(CALC, "ABS(A-B)>C?B+(A-B)/ABS(A-B)*C:A+RNDM-.5")
# 1234567890123456789B123456789C123456789D beware the 40char(?) limit
field(DOPT, "Use CALC")
field(OUT, "$(sys)_$(sub):$(psnam)_$(inst):I_RD PP NMS")
field(SCAN, "1 second")
field(PINI, "1")
field(FLNK, "$(sys)_$(sub):$(psnam)_$(inst):I_RSET.PROC")
}
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