EFKA FP220A5911
56
Value
Duty ratio (ED)
Effect
1
1 %
low holding power
100
100 %
high holding power (full power)
11.10 Reverse Motor Rotation
Function
with
or
without
control panel
Parameter
Positioning speed
(n1)
110
Number of reversing degrees
(ird)
180
Switch-on delay of reverse motor rotation
(drd)
181
Reverse motor rotation On/Off
(Frd)
182
The function "reverse motor rotation" is performed after trimming. When the stop position is reached, the drive stops for
the duration of the switch-on delay of reverse motor rotation. Then it runs in reverse direction at positioning speed
according to the set degrees.
11.11 Unlocking the Chain (Mode 4/5/6/7/16)
Function
with
or
without
control panel
Parameter
Number of run-out stitches upon unlocking the chain
(c6)
184
Function “unlock the chain” in modes 4, 5, 6, 7 and 16
(MEk)
190
Upon unlocking the chain at the seam end, the functions
backtacking
,
chain suction
,
thread trimming
and
tape
cutter/fast scissors
are automatically suppressed. If, however, parameter 190 = 3, the function
tape cutter/fast scissors
is
possible. After pressing the key "unlocking the chain" and with pedal in position 0 (neutral), the drive always stops in
position 1.
Settings necessary for the operation “unlocking the chain”:
!
Set “unlock the chain” by means of parameter 190 = 1 / 2 / 3 /4 (190 = 0 “unlock the chain” off)
!
Set
switch-on delay
by means of parameter 181 and
reversing angle
by means of parameter 180
!
Determine the
function of the key “unlock the chain”
by means of one of the parameters 240...249
!
If parameter 290 is set at “7“, a switch at the input in1...i10 must be closed and programmed to “18“.
!
If parameter 290 is set at “16“, the function “unlock the chain” must be switched on corresponding to slide-in strip 7
by means of the 8 key on the V820 control panel.
Parameter 190 = 0:
Unlocking the chain Off
Parameter 190 = 1:
Sequence with pedal in position -2 from machine run or from position 2:
!
Press key "unlock the chain"
!
Run at positioning speed to position 1
!
Sequence of reversing angle at positioning speed after a switch-on delay that can be set
Parameter190 = 1:
Sequence with pedal in position -2 from standstill in position 1:
!
Press key "unlock the chain"
!
Sequence of reversing angle at positioning speed after a switch-on delay that can be set
Parameter 190 = 2:
Automatic sequence with light barrier at the seam end without tape cutting / pedal in position
-2 according to the setting of parameter 019:
!
Press key "unlock the chain"
!
Run to position 1 after light barrier sensing
!
Sequence of reversing angle at positioning speed after a switch-on delay that can be set
Parameter 190 = 3
Automatic sequence with light barrier at the seam end with tape cutting and run-out stitches
(only possible in modes 7 and 16 and if parameter 018 = 0):
!
Press key "unlock the chain"
!
After light barrier sensing, execution of compensating stitches and end counting until tape
cutting
!
Run-out stitches until unlocking the chain can be set by means of parameter 184
!
Sequence of reversing angle at positioning speed after a switch-on delay that can be set
