Low-Pass Filter Time Of Torque Command; Speed Limit Selection - Delta C2000 series User Manual

Chapter 12 Description of Parameter SettingsC2000 Series
 This parameter is for the torque command. When Pr.11-27 is set to 250% and Pr.11-34 is set to
100%, actual torque command=250X100%=250% motor rated torque.
 The drive will save the setting to the record before power turns off.

Low-pass Filter Time of Torque Command


Settings
 When the setting is too long, the control will be stable but the control response will be delay. When
the setting is too short, the response will be quickly but the control maybe unstable. User can
adjust the setting by the control and response situation.

Speed Limit Selection

Settings
 Speed limit function: in TQCPG, when the motor speed is accelerated to speed limit value
(Pr.11-36, 11-37 and 11-38), it will switch to speed control mode to stop acceleration.
 Pr11-36=1:
When the torque command is positive, the forward speed limit is Pr00-20 and reverse speed limit
is Pr11-38.
When the torque command is negative, the forward speed limit is Pr11-37 and reverse speed limit
is Pr00-20.
 Unwind application, Torque command direction is different to motor operating direction, this
indicates that the motor is being load dragging. At this moment, the speed limit must be Pr11-37 or
Pr11-38. When the torque command direction and speed limit have same direction, the speed limit will
refer to the setting of Pr00-20. About the keypad display, please refer to the "LED function
Descriptions " in User manual chapter10 "Digital Keypad".
Pr. 11-36= 0
Forward/re verse
direc tion are
limit ed b y Pr.11 -37
and Pr.1 1-38.
11-38
0.000~1.000 sec
0: Set by Pr.11-37 (Forward speed limit) and Pr.11-38 (Reverse speed limit)
1: Set by Pr.11-37,11-38 and Pr.00-20 (Source of Master Frequency
Command)
2: Set by Pr.00-20 (Source of Master Frequency Command).
Pr. 11-36= 1
Whe n it is f orward runn in g,
ru nning
runn in g direction is limited
by Pr. 00-20
reverse runn in g direction
is limit ed by P r.11-38 .
to rque
to rque
mot or
s peed
11-37
11-38
Pr. 11-36= 1
Whe n it is reverse runn in g,
runn in g direction is limited
by Pr. 11-37
revers e runn in g direc tion
is limit ed by P r.00-20 .
mot or
speed
00-20
00-20
180
Factory Setting: 0.000
Factory Setting: 0
to rque
mot or
speed
11-37