138
3 BASIC FUNCTION
3.10 Electronic gear function [G]
Setting example for conveyors
Machine specifications
Pulley diameter: r = 160 [mm]
Reduction ratio: 1/n = Z
1
/Z
2
= 1/3
Z
1
: Number of gear teeth on servo motor side
Z
2
: Number of gear teeth on load gear
Servo motor encoder resolution: P
t
= 67108864 [pulse/rev]
Reduce CMX and CDV to the setting range or less and round off each value to the nearest whole number.
Therefore, set CMX = 524288 and CDV = 1309.
*1 When the command unit is "mm", convert as α = 1000. When the command unit is "inch", convert as α = 10000. When the command
unit is "pulse", convert as α = 1.
■When setting "2" (degree) in [Pr. PT01.2 Unit for position data]
Same as the profile positioning mode.
Page 136 When setting "2" (degree) in [Pr. PT01.2 Unit for position data]
67108864 [pulse/rev]
Z
1
Z
2
1/n = Z
1
/Z
2
= 1/3
1/n
r = 160 [mm]
Servo motor encoder resolution
CMX
CDV
= =
P
t
ΔS
=
P
t
1/n • r • π • α
*1
67108864
1/3 • 160 • π • 1000
=
67108864
167551.61
524288
1309
≈
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