Block diagram

2.02 PFAFF 570 / 590 with MD-4-57-220-CE

VR1

 

 

 

VR3

 

 

 

 

 

FSL

 

570 / 590

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PFA

Control panel

C-200-1.0

VR2

STOP

 

-900

Speedcontrolunit

Control unit MD-4-57-220-CE

VR1

=

Roller presser release

VR2

=

Feed switch-over

VR3

=

VR3 – magnet (needle) only on the 571 + 591

FSL

=

Thread tension release

PFA

=

Automatic presser foot lift

-900

=

Thread trimmer

STOP =

Start inhibitor

power switch

Mains plug

62