VELMEX VXM-3 - Page 18

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6000steps/sec.in1step/sec.intervals. Ifthiscommandisneverused,the
defaultspeedwillbe2000steps/sec.
NOTE:motortorquedecreasesasspeedincreases,andsomemotorshave
limitedtorqueabove2000steps/sec. Ifthemotortorqueisbelowtheneeded
torquetomovetheload,themotorwill
stall(losesynchronismandproper
position.)
Memoryusage=3 bytes.
Example:
Thisexamplesetsthespeedofmotor1to500steps/secat70%power:
S1M500<cr>
Whenthe"S"speedcommandisusedforsettingspeed,motorrunningtorquewillbe
70%ofthemaximumoutput. Formostapplications70%motortorque
willbeadequate.
Formovingheavyloadsthe"SA"speedcommand(100%power)maybeneeded.
Motorpowerwillalwaysbezerowhenthemotorisstationary(motorsare
normallyun-energizedatastandstill.
Savesenergy.1.
2.
3.
4.
Motorsrunsmootherandquieter
Reducesmid-speedmotorresonance.
ReducesMotorandControllerheating.
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to6000steps/sec.in1step/sec.intervals.
Example:
Thisexamplesetsthespeedofmotor2to3000steps/secat100%power:
SA2M3000<cr>
Withaccelerationsetto2(default)increasespeed
untilmotorstalls,use75%ofthisspeedasthemaximumspeed.
:MotorandControllersurface
temperaturesbecomehotwhenrunningmotors
continuously. Onlyuse100%(" "command)motorpowerifmaximumtorqueis
required. Formaximumefficiencywhenliftingheavyloadsvertically,usethe"SA”
commandtosetspeedfortraversingupwards,andusethe"S"speedcommandforthe
speeddown.
is2.
Thehigherthenumberused,thefasterthemotorwillreachthesetspeed,
andthefasteritwillslowdowntoastop. :motorsmaystallifthisvalueis
settohigh.
Memoryusage=2 bytes
Example:
Thisexamplesetstheacceleration/decelerationofmotor1to3:
A1M3<cr>
Withspeedsettomaximumasdetermined
increaseaccelerationuntilthemotorstalls,use1/2ofstallaccelerationasthe
above,
maximum
NOTE:
Advantages of the "S" speed command (70% motor power)
How to Determine Maximum Speed:
CAUTION
SA
NOTE
How to Determine MaximumAcceleration:
SeeApplicationNote#106formoreinformationaboutacceleration.
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