Always check unit before applying power (see Sections 6-1 thru 6-18).
TM-229 409 Page 42
Extreme 360
Section 6-26. Control/Auxiliary Power Board PC1 Test Point Values (Continued)
Receptacle
Pin
Type
Value
RC6
1
Input
Output reference; 1 volt dc per 425 amperes of weld output when machine is under load
2
Input
Voltage feedback; 1 volt dc per 10 volts dc of weld output
3
Output
Current feedback; 1 volt dc per 100 amperes of weld output
4
Not Used
5
Input
Output enable; 0 volts dc = ON, +15 volts dc = OFF
6
Not Used
7
Boost relay coil return; +24 volts dc = relay contacts open, 0 volts dc = relay contacts closed
8
Gas valve coil return; +24 volts dc = valve closed (no gas flow), 0 volts dc = valve open
9
Input
Fan enable; +5 volts dc = fan on,
−
15 volts dc = fan off
10
Not Used
11
Output
HF transformer over current detect; 0 volts dc = OK, +5 volts dc = OVERCURRENT
12
Not Used
13
Input
+5 volts dc reference voltage for thermistors
14
GND
Circuit common referenced to chassis
15
Output
Secondary side thermistor return; +2 volts dc at 25
°
C thermistor temperature
16
GND
Circuit common referenced to chassis
17
Output
Primary side thermistor return; +2 volts dc at 25
°
C thermistor temperature
18
GND
Circuit common referenced to chassis
19
Output
Foldback; decreases weld output if input bus voltage drops, 0 volts = OK, +15 volts dc 15Khz pwm
squarewave = foldback
20
GND
Circuit common referenced to chassis
21
Output
+24 volts dc, unregulated dc voltage with respect to GND
22
Output
+24 volts dc, unregulated dc voltage with respect to GND
23
Output
−
24 volts dc, unregulated dc voltage with respect to GND
24
Output
−
24 volts dc, unregulated dc voltage with respect to GND
RC7
1
Output
+5 volts dc reference voltage for secondary side thermistor
2
Input
Secondary side thermistor return; +2 volts dc at 25
°
C thermistor temperature
RC8
1
Output
+5 volts dc reference voltage for primary side thermistor
2
Input
Primary side thermistor return; +2 volts dc at 25
°
C thermistor temperature
Summary of Contents for EXTREME 360
Page 4: ......
Page 57: ...TM 229 409 Page 53 Extreme 360 211 328 E...
Page 59: ...TM 229 409 Page 55 Extreme 360 220 922 B...
