DURKOPP ADLER 878-M PREMIUM - Setting the Thread Clamp (Threadclamp) Parameter

Programming
72 Service Instructions 878-M PREMIUM - 03.0 - 10/2019
17.5.2 Setting the Thread clamp (ThreadClamp) parameter
Various settings can be made for the thread clamp. The options are
explained in more detail in the table.
StitchLengthChg On/Off stitch length change.
Stitch length during the thread trim process.
On°
The position where the stitch length change is activated.
Off°
The position where the stitch length change is deactivated.
Trim Backwards Thread trimming during backward stitch.
(Value range On/Off)
PWM Config Pulse width modulation
Power supply to the magnet for the thread trim.
t1 [ms]
Activation duration of the thread trim in time period t1.
(Value range 000 – 1000 [ms])
DtyC. t1 [%]
Duty cycle in time period t1
(Value range 000 – 100 [%])
t2 [s]
Activation duration of the thread trim in time period t2.
(Value range 000 – 600 [s])
DtyC. t2 [%]
Duty cycle in time period t2
(Value range 000 – 100 [%])
Menu item Setting option
Menu item Setting options
On/Off The thread clamp can be activated or deactivated.
Mode Various modes (1 to 10) are available; explanations can be found
in the  Parameter data sheet 878-M PREMIUM.
Thickness On/Off
Lifting height of the sewing foot depending on the thickness of the
material.
Clamp Angle On/Off
Position for activating and deactivating the thread clamp.
(Value range 000 – 359)
Foot Angle On/Off
Position for lifting/lowering the sewing foot in order to release a
thread that is jammed underneath.
(Value range 000 – 359)
Height
Lifting height of the sewing foot.
(Value range 01.0 – 12.0)