Difference between revisions of "MC-Basic:IDNSTATE"
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After starting a procedure, wait until the state has changed. This can be checked via drive status bit 5 or ''<axis>''.PROCEDURECHANGEBIT. Check the state of the procedure to know whether it is done or whether an error has occurred. A procedure is interrupted only if it is cancelled during execution. | After starting a procedure, wait until the state has changed. This can be checked via drive status bit 5 or ''<axis>''.PROCEDURECHANGEBIT. Check the state of the procedure to know whether it is done or whether an error has occurred. A procedure is interrupted only if it is cancelled during execution. | ||
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* [[Axystems:MC-Basic:WRITEIDNVALUE|WRITEIDNVALUE]] | * [[Axystems:MC-Basic:WRITEIDNVALUE|WRITEIDNVALUE]] | ||
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Revision as of 11:04, 11 March 2014
This function returns the state of a specified procedure command from a specified drive. It is used when executing a procedure command to determine progress of that procedure’s execution. Common procedures are 99 (clear faults) and 148 (drive-controlled homing). The value returned indicates the state of the procedure, as:
0: Finished or Not started
3: Done
5: Interrupted
7: Running
15: Error
After starting a procedure, wait until the state has changed. This can be checked via drive status bit 5 or <axis>.PROCEDURECHANGEBIT. Check the state of the procedure to know whether it is done or whether an error has occurred. A procedure is interrupted only if it is cancelled during execution.
 | IMPORTANT |
| THIS PROPERTY IS OBSOLETE |
Short form
Istat
Syntax
?IdnState (<drive address>, <IDN>)
Availability
All versions
Range
<drive address>: 1 to 254
<IDN>: 1 to 65535
Scope
Task or Terminal
Limitations
Read-Only. May be executed only in SERCOS communication phases 2, 3 and 4.
The IDN must be defined.
Examples
WriteIdnValue Drive = A1.Dadd Idn = 99 Value = 3 ‘Start Procedure
While A1.PCB = 0 ‘Wait for procedure to terminate
End While
If IdnState(a1.dadd, 99) <> 3 then ‘Check how procedure terminated
Print “Reset Faults procedure failed
End If
WriteIdnValue Drive = A1.Dadd Idn = 99 Value = 0 ‘Cancel Procedure