LORCH Saprom S - Pc-board DP-S3 NEFI; DP-S3 NEFI Board Functions; DP-S3 NEFI Measuring Points; DP-S3 NEFI Fuses

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Pc-board DP-S3NEFI
The pc-board DP-S3NEFI is the mains filter and power up board of the Saprom S3 mobile.
Functions
- mains filter
- reducing start-up peak current for capacitors
- supply and safeguarding for control transformer
Measuring Points
Picture pc-board DP-S3NEFI
Fuses
Safeguarding the control transformer via Si3, Si4 : each 4A idle
designation measure point result
mains input L1 LP1 ~ 400V AC
mains input L2 LP2 ~ 400V AC
mains input L3 LP3 ~ 400V AC
drive level power-up relais X4/1, X4/3
X4/2, X4/4
+
-
+24V DC
GND
supply control transformer X10/1
X10/2
~
~
400V AC
mains output L1 LP4 ~ 400V AC
mains output L2 LP5 ~ 400V AC
mains output L3 LP6 ~ 400V AC
X4
X10
SI3
SI4
LP1
LP2
LP3
LP4
LP6
LP5
LP7
650.1281.x DP-S3NEFI RP359/1
D00.0107.0-00