Miller S-74 MPa Plus, Техническое руководство

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TM-273245 Page 37 S-74 MPa Plus
9-5. Motor Board PC1 Test Point Values
a) Tolerance −
±
10% unless specified
b) Triggered − means gun trigger is pressed
c) Reference −
Reference RC5 − 2 for AC circuit common −
unless noted otherwise
Reference RC3 − 3 for DC circuit common −
unless noted otherwise
d) 15 VDC measurements will be closer to 14 V
e) Gun motor tach measure RC1
− 1 to − 16, turn
drive roll on gun, should vary between 0 and
5 VDC
PC1 Voltage Readings
Receptacle Pin Value
RC1 1 Gun motor tach 3.3kHz to 42kHz or 1.6 Volts DC when running
2 Not used
3 Trigger signal 0 volts DC/15 volts DC when triggered
4 Trigger signal A 0 volts DC/15 volts DC when triggered
5 Not used
6 Not used
7 Gun sense 2.7 volts for AlumaPro Plus reference to RC1 − 15
8 Gun command potentiometer 0 − 5 volts DC reference to RC1 − 15
9 Gun command reference 5 volts DC reference to RC1 − 15
10 Gun motor + 0 − 24 volts DC reference to RC1 − 12
11 SW − Ref
12 Gun motor − referenced to RC1 − 10
13 Jog 0 volts DC/15 volts DC when jogged
14 Purge 0 volts DC/15 volts DC when purged
15 Gun command common
16 ISO common
17 ISO sw − out
18 15 volts ISO
RC3 1 5 volts DC reference to DGND
2 DGND
3 DGND
4 5 volts DC reference to DGND
5 B serial communication
6 A serial communication
7 15 volts DC referenced to DGND
8 24 volts DC referenced to DGND
RC4 1 Voltage Feedback 1 V/10 V reference to RC4 − 11
2 Current Feedback 1 V/100 A reference to RC4 − 11
3 Command voltage/arc length 0 − 10 volts DC reference to RC4 − 11
4 Wire feed speed command 0 − 10 volts DC reference to RC4 − 12
5 Process Select CC/CV select 3.5 volts DC in MIG, 2.5 volts DC in pulse referenced to RC4 − 12
6 Contactor 24 volts AC reference RC5 − 2