Miller S-74 MPa Plus Technical Manual

TM-273245 Page 33S-74 MPa Plus
See Section 9-7
for PC2
information
244221-G
Voltage Readings
a) Tolerance − ±10% unless specified
b) Reference − DC Voltage to RC3-3 (Unless noted)
c) Reference − AC Voltage to RC5-2 (Unless noted)
V1 +2 to +24 volts DC when triggered or jogged
V2 +24 volts AC when triggered or purged
V3 +24 volts AC - IN
V4 +24 volts AC contactor
V5 +1 volt/100 amps current feedback
V6 +1 volt/+10 volts DC voltage feedback
V7 0 to +10 volts DC command voltage/arc
length
V8 0 to +10 volts DC wirefeed speed command
V9 +15 volts DC when triggered
V10 +15 volts DC when AlumaPro Plus gun is
triggered
V11 +5 volts DC gun command reference
V12 0 to +5 volts DC gun command pot
V13 +1.8 volts DC gun sense AlumaPro Plus
V14 +2 to +22 volts DC push-pull motor voltage
V15 +3.5 VDC in MIG mode, +2.5 VDC in Pulse
V16 +1.5 VDC or +7.2 VDC at rest, +3.4−4 VDC
when running
V17 +0.35 VDC or +3 VDC at rest, +1.6 VDC
when running
Test Equipment Needed:

Miller S-74 MPa Plus Specifications

General

Brand	Miller
Model	S-74 MPa Plus
Category	Wire Feeders
Language	English