Kemppi KEMPACT 253A Service Manual

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)
C
urrent transformer secondary (A)
X3:4 GND Ground
X3:5 GND Ground
X3:6 J3 Primary current limit jumper.
X3:7
GND
G
round
X3:8 GND Ground
X3:9 GND Ground
X3:10 J2 Machine type jumper J2
X3:11
J
1
M
achine type jumper J
1
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

Kemppi KEMPACT 253A Specifications

General

Brand	Kemppi
Model	KEMPACT 253A
Category	Welding System
Language	English