DURKOPP ADLER 878-M PREMIUM, Service Instructions Manual

Page: 78 / 130

Programming
76 Service Instructions 878-M PREMIUM - 03.0 - 10/2019
Information
In case of optional accessories for the electronic tensioning plate:
17.5.7 Setting the Stitch length (
StitchLength
) parameter
Various settings can be made for the stitch length. The options are
explained in more detail in the table.
Menu item Setting options
PreTension
Setting the pretension during thread trimming. A value of 0 is
recommended as the pretension is generated by mechanical
tension.
(Value range 00 – 99 [%])
t TensClose
The needle thread tension remains closed for a defined period
of time after thread trimming and prevents the needle thread from
being pulled further when the sewing material is removed. Without
a thread trim, this menu item should be set to a very low value.
(Value range 0.1 – 7.5 [s])
NOTICE
Property damage may occur!
The machine and the sewing equipment may be damaged.
ALWAYS enter the maximum possible stitch length after changing
the sewing equipment.
Menu item Setting options
Max St.Len
Maximum stitch length possible during sewing; this will vary
depending on the sewing equipment and MUST be adjusted when
changing the sewing equipment.
When the value is changed, the machine requests a reset, i.e.
switching off and on again. Cf.

p. 18 .
(Value range 3.0 – 7.0 [mm])
Man.St.Len.
The stitch adjustment lever for the manual adjustment of the stitch
length may be active or inactive; optional equipment.
(Value range On/Off)
Speed
Limitatio Stitch Length
The speed is limited during sewing by the set stitch length value.
(Value range 1.0 – 7.0 [mm])
Speed
Value for limiting the speed from a defined, adjustable stitch length.
(Value range 0050 – 2500 [rpm])