Miller TM-4414K Technisches Handbuch - Seite 20

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6-6. Control Board PC2 Testing Information

6-7. Control Board PC2 Test Point Values

Receptacle
Pin
RC1
1
2
3
4
5
6
7
8
9
TM-4414 Page 16
2
1
PC2 Voltage Readings
Voltage Feedback: 240 volts AC with respect to RC1-2
Voltage Feedback: 240 volts AC with respect to RC1-1
Pulse Width Modulation (PWM) Signal: 0 to +15 volts DC at no load; voltage increases with genera-
tor load
Shutdown Signal: +12 volts DC when shutdown is latched; 0 volts DC when shutdown is not latched
Circuit common
Revolving field (rotor): +25 volts DC at no load with respect to power board PC1 RC31-4; +75 volts
DC at full load with respect to power board PC1 RC31-4
+ 12 volts DC
Enable Line: +12 volts DC when generator is enabled (On); 0 volts DC when generator is not enabled
(Off)
Revolving field (rotor): +25 volts DC at no load with respect to power board PC1 RC31-4; +75 volts
DC at full load with respect to power board PC1 RC31-4
Be sure plugs are secure before
testing. See Section 6-5 for specific
values during testing.
1
Power Board PC2
2
Receptacle RC1
Test Equipment Needed:
a) Tolerance
specified
b) Condition − no load; generator
running at 3000 (50 Hz) or 3600
rpm (60 Hz)
c) Reference − to circuit common
(RC1-5) unless noted
Value
Belt/Hydraulic-Drive Generator
803 236 / 207 883-D
±
−
10%
unless