Delta VFD-ED Series, User Manual

Page: 278 / 389

Ch12 Descriptions of Parameter Settings | VFD-ED
12-67
 When the setting is too long, the control is stable but the control response is delayed. When the setting is
too short, the response is quick but the control may be unstable. Adjust the setting according to your
control and response situation.
Speed Limit
Control Mode Default: 0
Settings 0: Use the settings in Pr.07-17 and Pr.07-18
1: Use the Frequency command source (Pr.00-14)
07-18
00-14
07-17
00-14
07-18
07-17
07-16=1 07-16=1
torque
torque
torque
frequency
frequency
frequency
Pr.07-16=0
Running/opposite running
direction are
limited by Pr.07-17
and Pr.07-18.
When it is forward running,
running direction is limited
by Pr.00-14
opposite running direction
is limited by Pr.07-18.
When it is reverse running,
running direction is limited
by Pr.07-17
opposite running direction
is limited by Pr.00-14.

Torque Mode + Speed Limit
Control Mode Default: 10
Settings 0–120%

Torque Mode - Speed Limit
Control Mode Default: 10
Settings 0–120%
 Limits the speed for forward and reverse running in torque mode (Pr.01-00 Maximum Output Frequency =
100%).

Torque Offset Source
Control Mode SVC FOCPG FOCPM Default: 0
Settings 0: Disable
1: Use the analog input (Pr.03-00)
2: Use the torque offset setting (Pr.07-20)
3: Use the external terminals (by Pr.07-21–Pr.07-23)
 Specifies the torque offset source.
 When set to 3, the torque offset sources are Pr.07-21, Pr.07-22 and Pr.07-23 according to the
multi-function input terminal settings (31, 32 or 33).
Pr.02-01–Pr.02-08
is set to 31
Pr.02-01–Pr.02-08
is set to 32
Pr.02-01–Pr.02-08
is set to 33
Torque offset
OFF OFF OFF N/A
OFF OFF ON 07-23
OFF ON OFF 07-22
OFF ON ON
07-23+07-22
ON OFF OFF 07-21
ON OFF ON
07-21+07-23
ON ON OFF 07-21+07-22
ON ON ON 07-21+07-22+07-23