Control Board Pc1 Test Point Values - Hobart Handler 140 Technical Manual

7-4. Control Board PC1 Test Point Values

Receptacle Pin
RC1 1 − 2
RC2
1
2
3
4
5
6
7
8
9 − 10
11 − 12
13
14
15
16
Handler 140
PC1 Voltage Readings
0 volts DC with gun trigger open Voltage switch S2 in position 5
5.6 volts DC with Wire Speed control R2 set to min. and gun trigger closed
23.6 volts DC with Wire Speed control R2 set to max. and gun trigger closed
30 volts DC, reference to Pin 5
30 volts DC, reference to Pin 5, gun trigger closed
30 volts DC, reference to Pin 5
29 volts DC, reference to Pin 5, gun trigger closed
Circuit common
27 volts DC, reference to Pin 5, gun trigger closed
27 volts DC with Wire Speed control R2 at maximum, reference to Pin 5
6.3 volts DC with Wire Speed control R2 at minimum, reference to Pin 5
Not used
24 volts AC with gun trigger open
24 volts AC with gun trigger closed
29 volts DC, reference to Pin 5
29 volts DC, reference to Pin 5
29 volts DC, reference to Pin 5
Not used
a) Tolerance
specified
b) Reference − as noted
Value
− 10% unless
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TM-258 267 Page 23