E1 Series Servo Drive User Manual Application Function
8-40 HIWIN MIKROSYSTEM CORP.
8.6.2 Setting encoder pulse output
Before setting encoder pulse output, please check the output bandwidth of the servo drive and the input
bandwidth of controller to ensure pulse signal can be normally output and input.
Setting
number of encoder output pulses (rotary servo motor)
Set the output pulses per one revolution by Pt212.
Table8.6.2.1
Parameter Pt212 Range 64~1073741824
Position mode, velocity mode
and torque mode
Default 8192 Effective After power on Unit 1 pulse edge
Description
Set the number of output pulses when motor rotates for one revolution.
Setting encoder output resolution for linear encoder
Set the output pulses of linear motor (or full-closed loop control) by Pt281.
Example 1:
When Pt281 is set to 2000, 2000 pulse edges (500 pulses) are output for every 100 mm. If the motor
velocity is 100 mm/s, the encoder output bandwidth is:
100 mm/s x Pt281 (2000 pulse edges/100 mm) = 2000 pulse edge/s
Example 2:
When Pt281 is set to 10000000, 10000000 (250000 pulses) pulse edges are output for every 100
mm. If the motor velocity is 200 mm/s, the encoder output bandwidth is:
200 mm/s x Pt281 (10000000 pulse edges/100 mm) = 20000000 pulse edge/s
At this time, the output bandwidth exceeds 18 M/s, AL.511 (Encoder pulse output overspeed)
occurs.
Table8.6.2.2
Parameter Pt281 Range 2000~1073741824
Position mode, velocity mode
and torque mode
Default 100000 Effective After power on Unit 1 pulse edge/100 mm
Description
Set encoder output resolution (linear motor and full-closed loop control).
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