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
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