Delta VFD-VE - Tension Control Selection; 1:Tension Closed-Loop, Speed Mode

Chapter 4 Parameters
4-140
08-21 Tension Control Selection
Settings 0 to 4 Factory Setting: 0
Settings
Control Mode
VF VFPG SVC FOCPG TQCPG
0: Disable
1: Tension closed-loop, speed mode
○ ○ ○ ○
2: Line speed closed-loop, speed mode
○ ○ ○ ○
3: Tension close-loop, torque mode
○
4: Tension open-loop, torque mode
○
 1:Tension closed-loop, speed mode
The calculation of the master frequency of the tension control
Master frequency (Hz)=
V
D
*
A
B
V: line speed m/min
D: Reel diameter m
B
A
: Mechanical gear ratio

+
-
tension command
08-25
&
08-26
tension
feedback
08-27=0
PI
08-29 & 08-30
08-32 & 08-33
Limit
+
+
PID output frequency
08-35=0 *1
08-35=1 *-1
08-23 & 08-24
mechanical gear ratio
frequency
command
master frequency
reel diameter
line speed
Motor
Motor
AFM or DFM
AI
FWD
MO=d1
AI
AI or PG2
FWD
A
B
08-42
Drive 1
Drive 2
frequency
setting
operation
command
tension feedback
line speed input
operation command
pitch
roller
Gear ratio
A:B
AI/communication/
digital keypad
tension command
so u rc e o f r eel dia m e t e r