Mitsubishi Electric MELSERVO-J5 User Manual page 461

■Example settings when using a rotary encoder as the load-side encoder of a roll feeder
• Conditions
Servo motor resolution: 67108864 pulses/rev
Servo motor-side pulley diameter: 30 mm
Rotary encoder side pulley diameter: 20 mm
Rotary encoder resolution: 67108864 pulses/rev
Servo motor
Pulley diameter
d1 = 30 mm
Rotary encoder
If the pulley ratio or reduction ratio is not one-to-one, calculate the electronic gear by taking that into consideration.
[Pr. PE04]
67108864 × 30
= =
[Pr. PE05] 67108864 × 20
Driving part
Pulley diameter
d2 = 20 mm
1 3
×
1 2
12 USING A FULLY CLOSED LOOP SYSTEM
12
459
12.4 Startup