Block diagram
11
.05.04
Version 04.02.08
Block diagram TYPICAL 570 / 590 with control unit P44 PD-L
570/590
Synchronizer PD6
only on the 574
BDF - PICO TOP
PC
Drive / Ministop long
incremental transducer
Speedcontrolunit
for
software
download
Control unit P44 PD-L
Control package
P44 PD-L
LS
= Light barrier
power switch
VR1
= Roller presser release
VR2
= Feed switch-over
VR3
= VR3 – magnet (needle) only on the
571
+
591
FSL
PFA
= Thread tension release
= Automatic presser foot lift
-900
= Thread trimmer
STOP
= Start inhibitor
Main plug
50