Chapter 4 Function Introduction SuZhou Eshine Elevator Components Co., Ltd.
―40― YS-K01 Door Controller User Manual
Code Name Description Range
factory setting
• The system’s response can be expedited through increasing the integral time constant Ti, but
oscillation and high overshoot happen easily if the value of Ti is too high.
• If set Ti as 0 and the integral function is disabled, the speed-loop works only as a proportional
regulator.
• Generally, the P should be adjusted firstly to the maximum on condition that the system does not
vibrate, and then the Ti should be adjusted to shorten the response time without overshoot.
• It need increase P and decrease Ti, on condition that shorter dynamic response time is required
during low frequency operation.
P7.06 Current loop KI 0
9999
100
P7.05 and P7.06 define the PI regulator parameters of current loop.
• It can expedite the system’s response to the output torque through increasing the KP or KI of
current loop; and improve the system’s stability through decreasing KP or KI.
• If KP or KI of current loop is too big, the system is easy to occur oscillation; if KP or KI is too
small, the system’s output torque capacity will be influenced.
Note: For most places, it does not need to adjust the PI parameters of current loop and users
are advised to carefully change this parameters.
P7.07 Torque limit 0.0
200.0
120.0%
Defines the limit torque current of controller output. The setting value is relative to the percentage of
motor rated current (P1.02).
P7.08 Speed filter time constant 0
7
2
It is used to filter the output of ASR regulator.
• When P7.08 = 0, the speed-loop filter is disabled.
4.9 Group P8 Motor Auto-tune Parameters
Code Name Description Range
factory setting
P8.00 Stator resistance 0.00
99.99Ω
depend on
P8.01 Rotor resistance 0.00
99.99Ω
depend on
model
P8.02 Stator inductance 0
9999mH
depend on
P8.03 Rotor inductance 0
9999mH
depend on
model
P8.04 Mutual inductance 0
9999mH
depend on
P8.05 Slip compensation gain 50.0
200.0
100.0%
P8.05 is used in calculating slip frequency. The setting 100.0% means rated slip frequency
corresponds to rated torque current. The user may set the value of P8.05 to adjust the speed control’s
difference accurately.
P8.06 Curve selection 0,1
0
0: Line.
1: S curve.
P8.07 LCD contrast 1
10
0
To select LCD display contrast.
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