Kemppi KEMPACT 253R - Page 21

SERVICE MANUAL
KEMPACT RA_V_1.2
20 (40)
Kemppi Oy
Pin Signal
X7
Main transformer connections
X8 Main transformer connections
X17 Main transformer connections
X19 Main transformer connections
Pin Signal
X9 PFC auxiliary voltage connector
Pin
Signal
Description
X10:1 Inrush Relay Other end of the inrush relay coil
X10:2 OV Opto P Over voltage optocoupler other end
X10:3 Primary current transformer Primary current transformer other end
X10
:4
Inrush Relay
Other end of the
inrush relay coil
X10:5 OV Opto N Over voltage optocoupler other end
X10:6 Primary current transformer Primary current transformer other end
X10:7 IGBT Drive B Other end of the IGBT driver transformer primary
X10
:
8
PFC ON/OFF P
PFC on/off opto coupler
diode positive end
X10
:
9
-
-
X10:10 IGBT Drive A Other end of the IGBT driver transformer primary
X10:11 PFC ON/OFF N PFC on/off opto coupler diode negative end
X10
:
12
-
-
Pin Signal
X
11
PFC choke connections
X
12
PFC choke connections
X14
PFC
choke connections
X15 PFC choke connections
Pin Signal
X13
DC
-
link voltage
X16
DC
-
link voltage