Main (Interface) Board Pc1 Test Point Values - Miller Syncrowave 250 DX Technical Manual

6-7. Main (Interface) Board PC1 Test Point Values

Receptacle Pin
RC1 1
2
3
4
5
6
7
8
9
10
11
12
RC2 1
2
3
4
5
6
7
8
9
10
RC3 1
2
3
4
5
6
7
8
9
10
11
12
13
Syncrowave 250 DX
PC1 Voltage Readings
Gate pulse for module 1, SCR 2
Reference for pin 1
Gate pulse for module 2, SCR 1
Reference for pin 3
+15 volts DC for hall device HD1
−15 volts DC for hall device HD1
Gate pulse for module 1, SCR 1
Reference for pin 7
Gate pulse for module 2, SCR 2
Reference for pin 9
Hall device HD1 current feedback signal, 2 volts per 100 amperes
Ground reference signal for hall device HD1
Ground reference signal for potentiometers pulser board PC2
Ground reference signal for pulser board PC2
Pulse Peak Time reference, 0 to +5 volts DC variable
Not used
Pulse Background Amperage reference, 0 to +5 volts DC variable
Pulser board PC2 preset, 0 volts DC while connected and +5 volts DC while not connected
Pulse Frequency reference, 0 to +5 volts DC variable
Pulser LED, +3.6 volts DC while on, 0 volts DC while off
Pulser On/Off, 0 volts DC while on; +5 volts DC while off
+5 volts dc
Final Amperage reference, 0 to +5 volts DC variable
Initial Time reference, 0 to +5 volts DC variable
Final Time reference, 0 to +5 volts DC variable
Ground reference for Sequencer board PC3
Initial Amperage reference, 0 to +5 volts DC variable
Ground reference for potentiometers on Sequencer board PC3
Spot Time, 0 to +5 volts DC variable
+5 volts dc
Not used
Initial Time LED, +3.6 volts DC while on, 0 volts DC while off
Final Time LED, +3.6 volts DC while on, 0 volts DC while off
Spot Time LED, +3.6 volts DC while on, 0 volts DC while off
Sequencer board PC3 preset, 0 volts DC while connected and +5 volts DC while not connected
±
a) Tolerance − 10% unless specified
b) Reference − to circuit common
(lead 4) unless noted
Value
TM-359 Page 71