Kemppi Kempact 253R Service Manual page 28

Pin Signal
X3:1 Vout
X3:2 CT (B)
X3:3 CT (A)
X3:4 GND
X3:5 GND
X3:6 J3
X3:7 GND
X3:8 GND
X3:9 GND
X3:10 J2
X3:11 J1
X3:12 J0
Pin Signal
X4:1 Fan1 (-)
X4:2 Fan2 (-)
X4:3 Gas Valve
X4:4 Fan1 (+)
X4:5 Fan2 (+)
X4:6 Gas Valve
X4:7 Brights led (+)
X4:8 PFC control (+)
X4:9 Inrush relay
X4:10 Brights led (-)
X4:11 PFC control (-)
X4:12 Inrush relay
Pin Signal
X5:1 PRIM_OV_P
X5:2 PRIM_OV_N
Pin Signal
X6:1 PWM drive B
X6:2 PTC gnd
X6:3 Start B
X6:4 PWM drive A
X6:5 PTC
X6:6 Start A
Pin Signal
X7 Connections to chassis ground
Pin Signal
X8 Used in development purposes, do not connect anything here
Pin Signal
X10 Maintenance use
Pin Signal
X16 Panel card P001 connection
Pin Signal
X19 Not in use
Kemppi Oy
SERVICE MANUAL
KEMPACT RA_V_1.2
Description
Output voltage measurement from the dowel screw (+)
Current transformer secondary (B).
Current transformer secondary (A)
Ground
Ground
Primary current limit jumper.
Ground
Ground
Ground
Machine type jumper J2
Machine type jumper J1
Machine type jumper J0
Description
Fan 1 (-)
Fan 2 (-)
Gas valve
Fan 1 (+)
Fan 2 (+)
Gas valve
Brights led card (P002) (+) connection.
PFC ON/OFF control (+) connection
Inrush relay connection
Brights led card (P002) (-) connection.
PFC ON/OFF control (-) connection
Inrush relay connection
Description
Primary over voltage alarm (+)
Primary over voltage alarm (-)
Description
IGBT driver transformer other end
PTC ground connection
Gun switch connection
IGBT driver transformer other end
PTC connection
Gun switch connection
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