Amtech Axpert-Eazy Series - Page 61

Axpert-Eazy AC Variable Frequency Drive
6-15
6
No. Parameter Unit Def Min Max Res. Description WP
V/F
CL
VEC
OL
VEC
CL
B620 ASR Gain
Change
Frequency 1
Hz 4.00 0.00 600.00 0.01 ASR Gain Change (lower)
Frequency 1. It should be <
B621.
B621 ASR Gain
Change
Frequency 2
Hz 8.00 0.00 600.00 0.01 ASR Gain Change (higher)
Frequency 2. It should be >
B620.
B622 Speed LPF Time
Constant 2
ms 50.0 4.0 1000.0 0.1 Speed feedback low pass filter
Time constant 2 for lower
frequency (below B620).
B623 Encoder LPF
Time Constant
mS 8 0 100 1 Encoder low pass filter time
constant.
B624 ASR
Regenerative
Torque Limit 2
% 20.0 0.1 100.0 0.1 Regenerative torque limit 2.
B625 ASR
Regenerative
Torque Limit 3
% 10.0 0.1 100.0 0.1 Regenerative torque limit 3.
B626 Speed Deviation
Fault Judgment
Time
Sec 10.0 0.1 20.0 0.1 Set the time for judging speed
deviation fault.
B627 Field Weakening
Gain
1.00 0.10 2.00 0.01 Field Weakening Gain. If hunting
occurred in speed in field
weakening region, decrease
gain.
GROUP
-
7: VECTOR CONTROL CONSTANTS
-
2
B701 Torque Mode
Selection
0 0 1 1 This parameter will select the
torque control mode.
=0: Disable =1: Enable
B702 Excitation
Current
Reference
% 35 15 100 1 Excitation Current Set value
B703 Torque LPF Time
constant
ms 0.0 0.0 1000.0 0.1 Torque reference low pass filter
Time constant
B704 ACR Kp 0.45 0.01 100.00 0.01 Proportional gain for speed
regulator
B705 ACR Ti ms 0.40 0.01 300.00 0.01 Integral time constant for speed
regulator
B706 ACR Q Upper
Lmt
% 100.0 0.0 150.0 0.1 ACR Q-Controller output upper
limit
B707 ACR Q Lower
Lmt
% 100.0 0.0 150.0 0.1 ACR Q-Controller output lower
limit
B708 ACR D Upper
Lmt
% 100.0 0.0 150.0 0.1 ACR D-Controller output upper
limit
B709 ACR D Lower
Lmt
% 100.0 0.0 150.0 0.1 ACR D-controller output lower
limit
B710 Torque reference
Polarity
% 0 0 1 1 This is used to select Torque
reference polarity.
=0: Unipolar
=1: Bipolar