Miller TM-4414K Manuel technique - Page 17

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Test Equipment Needed:
V3
R4
Belt/Hydraulic-Drive Generator
Amperage Readings
±
a)
Tolerance −
5% unless specified
°
b)
Condition −
70
F
machine (no warm-up); no load
I1
1 amps DC (60 Hz)
No greater than 3.5 amps DC under load
I2
1 amps DC (60 Hz)
No greater than 3.5 amps DC under load
V2, R2
R3
R5
°
(21
C); cold
a)
b)
c)
d)
e)
V1
V2
V3
V4
I1
V5
V6
V7
V8
V1, R1
See Section 6-3 for
waveforms A,B
V4, Waveform A
Voltage Readings
±
Tolerance
−
10%
unless
specified
°
°
Condition − 70
F (21
C); cold
machine (no warm-up); no load
Weld/power rpm unless specified
Reference
−
single
arrow:
reference to circuit common
(lead
42);
double
arrow:
reference to points indicated
Wiring Diagram − see Section 8
Rotor: +25 volts DC at no load
±20%; +75 volts DC at full load
±10%
Exciter: 150 volts AC
Voltage Feedback: 240 volts AC
Output (Odd Leg): 245 volts AC
Output: 120 volts AC
Generator Enable: +12 volts DC
when generator is enabled (On); 0
volts DC when not enabled (Off)
Shutdown Signal: +12 volts DC
when shutdown is latched; 0 volts
DC when not latched
PWM Signal: 0 to +15 volts DC
V5
TM-4414 Page 13
210 193-B