POSICON positioning control – Supplementary manual for series SK 200E and SK 250E-FDS
40 BU 0210 en-3117
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4.5 Speed ratio of setpoint and actual values
Position values are based on the number of rotations of the motor. If a different reference value is
required, with the aid of parameter P607 [03] the "Speed Ratio" and P608 [03] the "Reduction Ratio"
can be converted into a different unit. No values after the decimal point can be entered in the
parameters "Speed Ratio" and "Reduction Ratio". In order to achieve greater precision, the two values
should each be multiplied by the same factor, which should be as large as possible. The product must
not exceed the value 65000, i.e. the factor must not be too large.
Example
Lifting gear
• Unit in [cm]
• Gear unit: i = 26.3
• Drum diameter: d = 50.5 cm
• Factor: 100 (selected)
revolution
cm
cm
ospeed ratiP
uction speed redP
6
2630
15865
1003,26
10065,158
3,26
5,50
]03[607
]03[608
≈=
×
×
=
×
=
−
−
p
The required unit can be selected in parameter P640 "Unit Pos. Value". Accordingly, in this example,
parameter P640 must be parameterised to the function 4 = "cm".
Pos: 16 0 /Allg emein/ Allg emeing ültig e Module/---------Seitenu mbruc h komp akt --------- @ 13\mod_1476369695906_0.docx @ 2265495 @ @ 1
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