Kemppi KEMPACT 181A, Service Manual, Page: 28 / 40

SERVICE MANUAL
KEMPACT RA_V_1.2 27 (40)
Kemppi Oy
Pin Signal Description
X3:1 Vout Output voltage measurement from the dowel screw (+)
X3:2 CT (B) Current transformer secondary (B).
X3:3 CT (A) Current transformer secondary (A)
X3:4 GND Ground
X3:5 GND Ground
X3:6 J3 Primary current limit jumper.
X3:7 GND Ground
X3:8 GND Ground
X3:9 GND Ground
X3:10 J2 Machine type jumper J2
X3:11 J1 Machine type jumper J1
X3:12 J0 Machine type jumper J0
Pin
Signal Description
X4:1 Fan1 (-) Fan 1 (-)
X4:2 Fan2 (-) Fan 2 (-)
X4:3 Gas Valve Gas valve
X4:4 Fan1 (+) Fan 1 (+)
X4:5 Fan2 (+) Fan 2 (+)
X4:6 Gas Valve Gas valve
X4:7 Brights led (+) Brights led card (P002) (+) connection.
X4:8 PFC control (+) PFC ON/OFF control (+) connection
X4:9 Inrush relay Inrush relay connection
X4:10 Brights led (-) Brights led card (P002) (-) connection.
X4:11 PFC control (-) PFC ON/OFF control (-) connection
X4:12 Inrush relay Inrush relay connection
Pin Signal Description
X5:1 PRIM_OV_P Primary over voltage alarm (+)
X5:2 PRIM_OV_N Primary over voltage alarm (-)
Pin Signal Description
X6:1 PWM drive B IGBT driver transformer other end
X6:2 PTC gnd PTC ground connection
X6:3 Start B Gun switch connection
X6:4 PWM drive A IGBT driver transformer other end
X6:5 PTC PTC connection
X6:6 Start A Gun switch connection
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