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Mechanicalinstallation

7.4.3 Calculationoftheoffset

Thewiringmustbedoneaccordingtothelayoutofthecoilunits.Theoffsetmustbedeterminedinorderto

dothis.Theoffsetspecifiesthenumberofcoilsbywhichtherotaryfieldisshiftedinthesecondmotor.The

wiringofthemotorscanbedeterminedwiththehelpoftheoffsetandthetableinthesectionentitledLayout

of the wiring [}31].

Theoffsetiscalculatedusingthefollowingequation:

Offset=(PD

M1M2

/16)MOD3

Calculationoftheoffsetforexample1:

Offset =(304/16)MOD3

=19MOD3=1

Calculationoftheoffsetforexample2:

Offset =(272/16)MOD3

=17MOD3=2

7.4.4 Layoutofthewiring

Usingtheoffsetcalculatedintheprevioussection,thewiringofthecoupledmotorscanbedoneonthebasis

ofthefollowingtable.Foreachcasethetableshowshowthephasesofmotor1(L1,L2,L3)areconnected

tothephasesofmotor2(L1’,L2’,L3’).

Cablesofthemotors

pointinthesamedirec

tion

Cablesofthemotors

pointoutwards

Cablesofthemotors

pointinwards

Offset=0 L1/L1‘L2/L2‘L3/L3‘ L1/L1‘L2/L3‘L3/L2‘ L1/L1‘L2/L3‘L3/L2‘

Offset=1 L1/L3‘L2/L1‘L3/L2‘ L1/L2‘L2/L1‘L3/L3‘ L1/L3‘L2/L2‘L3/L1‘

Offset=2 L1/L2‘L2/L3‘L3/L1‘ L1/L3‘L2/L2‘L3/L1‘ L1/L2‘L2/L1‘L3/L3‘

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Beckhoff AL2000 Linear servomotor Manual de usuario Pagina 31