Miller Millermatic 350P Technical Manual page 66

Always perform pre-power troubleshooting before applying power to unit (see Section 8).
RC4
RC5
RC7
RC8
RC11
RC12
TM-1327 Page 62
1 enable
2 agrnd
3 command
4 agrnd
5 contactor
6 agrnd
7 wirefeed
8 agrnd
9 gas
10 agrnd
11 ppg
12 agrnd
13 I FB
14 agrnd
15 Not used
16 agrnd
17 +15 volts DC
18 agrnd
19 −15 volts DC
20 agrnd
21 Not used
22 Not used
23 +35 volts DC
24 +35 volts DC
!
Do not measure − high voltage present.
1 30k ohms with respect to RC7-2
2 30k ohms with respect to RC7-1
1 +24 volts DC with respect to RC8-2 when fan motor is running
2 +24 volts DC with respect to RC8-1 when fan motor is running
1 Not used
2 dgrnd
3 20.8 volts AC input with respect to RC11-4
4 20.8 volts AC input with respect to RC11-3
5 +27 volts DC with respect to RC11-2
6 Not used
7 dgrnd
8 Not used
9 +5 volts DC with respect to RC11-2
10 +5 volts DC with respect to RC11-2
1 30k ohms with respect to RC12-2
2 30k ohms with respect to RC12-1
Millermatic 350