Delta VFD2A7ME43ANSAA

Chapter 12 Description of Parameter SettingsME300
12.1-02-20
 The figure below shows the timing relationship when MI=69 auto-activate preheating function is
enabled and when preheating DC current is enabled and cycle time is 50%.
 The figure below shows the timing relationship when MI=69 auto-activate preheating function is
disabled and when preheating DC current is enabled and cycle time is 50%. When the motor
drive is stopped, the preheating function starts to output DC current continuously.
 The figure below shows the timing relationship between preheating function and enabling DC
brake.
MI=69 Auto-activate
preheating function
02-73=50%
02-73=50%
02-72 Level of
Preheatin
g
02-73=50%
MI=69
(OFF)
02-72 Level of
Preheatin
g
02-72 Level of
Preheatin
g
MI=69 Auto-activate
preheating function
MI=69 Auto-activate
preheating function