page 19
Pc-board PWRUP04
The pc-board DK-PWRUP is the power up-circuit of the 400SP and 500SP.
Functions
- reducing start-up peak current for capacitors
- supply and safeguarding of control transformer
Measuring Points
designation
measure point
result
mains input L1
X1
~
400V AC
mains input L2
X2
~
mains input L3
X3
~
mains output L1
X11
~
400V AC
mains output L2
X12
~
mains output L3
X13
~
supply voltage control transformer
X10/1
X10/2
~
~
400V AC
drive level relay
X4/1 and 3
X4/2 and 4
+
-
+24V DC
Picture Pc-board PWRUP04
X10
X4
X1
X3
X2
SI2
SI1
X1
1
X13
X12
650.1252.x PWRUP04DKL RP397/1
D00.0090.8-01
Fuses
Safeguarding the control transformer via Si1, Si2 : each 4A, 400V (slow)
Содержание POWERMASTER 320SP
Страница 1: ...Service Manual PowerMaster 320SP 400SP 500 SP 999 9997 9 97...
Страница 38: ...page 38 Inside Diagram Diodes...
Страница 39: ...page 39...
Страница 40: ......