Closed klauer closed 3 years ago
link: allows for pytmc to generate records that push PV data into the PLC from other IOCs.
link:
pytmc currently supports linking numeric scalar values (with corresponding records that have the OMSL/DOL fields). This doesn't include strings.
OMSL
DOL
lso
I'm going to build up the PLC side of this before finalizing this PR and making it ready-for-review, as one may influence the other.
Pairs with https://github.com/pcdshub/lcls-twincat-general/pull/53
pytmc master vs this PR
diff --git a/Untitled1.db b/Untitled1.db index 4fafd46..a2799d9 100644 --- a/Untitled1.db +++ b/Untitled1.db @@ -63,17 +63,23 @@ record(waveform, "IOC:TEST:LINK2:EPICSLink_RBV") { record(waveform, "IOC:TEST:LINK2:EPICSLink") { # Internal variable used to monitor EPICS PV in PLC field(DESC, "Internal variable us...r EPICS PV in PLC") - field(SCAN, ".5 second") field(DTYP, "asynInt8ArrayOut") field(INP, "@asyn($(PORT),0,1)ADSPORT=851/MAIN.fbLinkedValue2.sPLCInternalValue=") field(FTVL, "CHAR") - field(DOL, "IOC:TEST:STRING CPP MS") - field(OMSL, "closed_loop") field(NELM, "80") info(autosaveFields_pass0, "VAL") info(archive, "VAL") } +record(lso, "IOC:TEST:LINK2:EPICSLink:LSO") { + # Aux link record for MAIN.fbLinkedValue2.sPLCInternalValue + field(DESC, "Aux link record for ...sPLCInternalValue") + field(SCAN, ".5 second") + field(DOL, "IOC:TEST:STRING CPP MS") + field(OMSL, "closed_loop") + field(OUT, "IOC:TEST:LINK2:EPICSLink PP MS") +} + record(longin, "IOC:TEST:LINK2:EPICSLink:LinkSeverity_RBV") { # Internal variable used to monitor EPICS PV severity in PLC field(DESC, "Internal variable us...V severity in PLC")
Background
link:
allows for pytmc to generate records that push PV data into the PLC from other IOCs.Status quo
pytmc currently supports linking numeric scalar values (with corresponding records that have the
OMSL
/DOL
fields). This doesn't include strings.This PR
lso
record, we have long string output support (> 40 chars)I'm going to build up the PLC side of this before finalizing this PR and making it ready-for-review, as one may influence the other.
Pairs with https://github.com/pcdshub/lcls-twincat-general/pull/53
Example diff
pytmc master vs this PR