Kemppi MASTERTIG AC/DC 2500W Service Manual - page 9
TECHNICAL SERVICE MANUAL FOR MASTERTIG ACDC
TABLE 1. FUNCTION SIGNALS CONNECTORS X1 AND X2 OF PCB A001
PIN NUMBER
DESCRIPTION
X1
X1/1
IDENTIFICATION OF THE SIZE OF THE MACHINE
X1/2
SET VALUE FROM THE REMOTE CONTROL UNIT
X1/3
SELECTION OF METHOD FROM THE REMOTE CONTROL UNIT
X1/4
THERMAL PROTECTION
(
PTC
)
X1/5
NOT IN USE
X1/6
CONTROL OF COOLING FANS
X1/7
CONTROL OF MAINS SUPPLY VOLTAGE FROM
T002
SECONDARY WINDING
X1/8
NOT IN USE
X1/9
WELDING CURRENT
;
POSITIVE HALF
-
CYCLES OF
DC+
OR
AC
X1/10
WELDING CURRENT
;
NEGATIVE HALF
-
CYCLES OF
DC-
OR
AC
X1/11
WELDING VOLTAGE
;
NEGATIVE HALF
-
CYCLES OF
DC-
OR
AC
X1/12
WELDING VOLTAGE
;
POSITIVE HALF
-
CYCLES OF
DC+
OR
AC
X1/13
CONTROL OF MAINS VOLTAGE
X1/14
OVER CURRENT
X1/15
SWITCH OF TIG TORCH
X1/16
ADDITIONAL
AC
PULSE FOR TIG
X2
X2/1
SOLENOID VALVE
X2/2
CONTROL OF TIG SPARK
X2/3
NOT IN USE
X2/4
PWM
POSSIBLE
X2/5
CONTROL OF SECONDARY
IGBT
X2/6
C
ONTROL OF SECONDARY
IGBT
X2/7
+16 V
X2/8
+15 V
X2/9
+5 V
X2/10
+5 V
X2/11
GND
X2/12
GND
X2/13
START OF COOLING UNIT
X2/14
STOP OF COOLING UNIT
X2/15
NOT IN USE
X2/16
NOT IN USE