User guide

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05 317
5 Function blocks
5.86 L_LdConvAxisV - speed ratio
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Function
This FB transforms a speed between two axes, calculating the function of an electronic gearbox. The
transformation works with remainder processing.
Operating mode 0 (unit coupling):
• In this operating mode, the FB couples both axes via the set feed constants.
• Via C05162/1 and C05162/2 the ratio of the corresponding units is set, i.e. the number of units
of the X axis that corresponds to the number of units of the Y axis.
[5-43] Formula for operating mode 0
Operating mode 1 (clock equality):
• In this operating mode the FB makes use of the set cycles. The transformation displays one cycle
of the X axis exactly in one cycle of the Y axis.
[5-44] Formula for operating mode 1
Operating mode 2 (free coupling):
• In this operating mode the set feed constants are not used for the transformation.
• Via C05162/1 and C05162/2 the revolution ratio is indicated, i.e. the number of revolutions of
the master shaft that corresponds to the number of revolutions of the tool.
[5-45] Formula for operating mode 2
Output value Input value
Gearbox constant Y
Gearbox constant X
---------------------------------------------------
Feed constant X
Feed constant Y
-----------------------------------------
Coupling factor Y (C05162/2)
Coupling factor X (C05162/1)
---------------------------------------------------------------------------
⋅⋅⋅=
Output value Input value
Gearbox constant Y
Gearbox constant X
---------------------------------------------------
Feed constant X
Feed constant Y
-----------------------------------------
Cycle Y
Cycle X
------------------
⋅⋅⋅=
Output value Input value
Gearbox constant Y
Gearbox constant X
---------------------------------------------------
Coupling factor Y (C05162/2)
Coupling factor X (C05162/1)
---------------------------------------------------------------------------
⋅⋅=