Instruction manual

7.2 Sewing with machines using the Efka DC1550/DA321G positioning drive

The DA321G control unit contains all required operational interfaces

for switching functions and setting parameters.

It is possible to operate without an operating panel, but the s eam

programming can no longer be carried out.

The V810 and V820 operating panels can also be connected to the

control unit. They are deliverable as accessories.

Seam programming can be performed with the V820 operating panel.

The “EFKA DC1550 – DA321G” Operating Manual contains a more

detailed description of the control unit (also refer to www.efka.net).

With the pedal

The pedal position is detected using a sampling detector with 16

different levels.

Their meanings are listed in the table below:

Pedal position Pedal movement Meaning

-2 Completely backwards Command for cutting the thread (end of seam)

-1 Half backwards Command for raising the sewing foot

0 Neutral rest position Refer to comment below

1 Slightly forwards Command for lowering the sewing foot

2 More forwards Sew with miminal speed (first level)

3 More forwards Sew with more speed (second level)

:::

13 Entirely forwards Sew with maximal speed (twelfth level)

Comment:

The following functions can be programmed to correspond with the rest

position:

–

Needle position (down/up) and sewing-foot position (down/up)

when stop in seam.

–

Sewing-foot position (up/down) after end of seam. (Pedal fully

backwards, then in rest position)