Difference between revisions of "MC-Basic:axis.TIMEOFSHORTMOTIONS"
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{{MC-Basic | {{MC-Basic | ||
|SHORT FORM= | |SHORT FORM= | ||
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|AVAILABILITY= | |AVAILABILITY= | ||
| − | + | Since Version 4.4.x | |
|DESCRIPTION= | |DESCRIPTION= | ||
Defines the lower threshold below which TACCMIN and TDECMIN no longer affect motion. If the actual values of acceleration (or deceleration) time is below this limit, the entire excitation-limiting algorithm (TACCMIN and TDECMIN) is switched off. | Defines the lower threshold below which TACCMIN and TDECMIN no longer affect motion. If the actual values of acceleration (or deceleration) time is below this limit, the entire excitation-limiting algorithm (TACCMIN and TDECMIN) is switched off. | ||
| − | {{Note/Caution|The value of TSHORT is compared to acceleration/deceleration time only, and not to the entire duration of movement. Therefore, long movements with a long cruise-velocity phase and short acceleration/deceleration times could trigger the switch-off of the excitation-limiting algorithm. For best results, use small values (1 | + | {{Note/Caution|The value of TSHORT is compared to acceleration/deceleration time only, and not to the entire duration of movement. Therefore, long movements with a long cruise-velocity phase and short acceleration/deceleration times could trigger the switch-off of the excitation-limiting algorithm. For best results, use small values (1 to 4 ms).}} |
{{Note|Setting one of TACCMIN, TDECMIN or TSHORT to 0, completely disables the entire timing feature (excitation-limiting algorithm)}} | {{Note|Setting one of TACCMIN, TDECMIN or TSHORT to 0, completely disables the entire timing feature (excitation-limiting algorithm)}} | ||
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|DEFAULT= | |DEFAULT= | ||
| − | 0 | + | 0 – Not active |
|SCOPE= | |SCOPE= | ||
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|LIMITATIONS= | |LIMITATIONS= | ||
| − | Modal/Nodal Read/Write | + | *Modal/Nodal |
| + | *Read/Write | ||
|EXAMPLE= | |EXAMPLE= | ||
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|SEE ALSO= | |SEE ALSO= | ||
| − | * [[ | + | * [[MC-Basic:element.TIMEACCMIN|TACCCMIN]] |
| − | + | ||
}} | }} | ||
Latest revision as of 12:44, 13 September 2017
| Language: | English |
|---|
Defines the lower threshold below which TACCMIN and TDECMIN no longer affect motion. If the actual values of acceleration (or deceleration) time is below this limit, the entire excitation-limiting algorithm (TACCMIN and TDECMIN) is switched off.
 | CAUTION |
| The value of TSHORT is compared to acceleration/deceleration time only, and not to the entire duration of movement. Therefore, long movements with a long cruise-velocity phase and short acceleration/deceleration times could trigger the switch-off of the excitation-limiting algorithm. For best results, use small values (1 to 4 ms). |
 | NOTE |
| Setting one of TACCMIN, TDECMIN or TSHORT to 0, completely disables the entire timing feature (excitation-limiting algorithm) |
Short form
<axis>.TSHORT
Syntax
<axis>.TSHORT=<numeric expression>
Availability
Since Version 4.4.x
Type
Long
Range
0 to maxlong
Units
milliseconds (ms)
Default
0 – Not active
Scope
Task, Terminal
Limitations
- Modal/Nodal
- Read/Write
Examples
A1.timeaccmin = 500
A1.timedecmin = 1000
A1.timeofshortmotions = 200