Hypertherm HD4070 Rev.1 - Manual (Page 208)

HyPerformance HD4070 Instruction Manual 5-45
MAINTENANCE
THC motor drive board
Status Lights During Normal Power-up.
The following LEDs are located on the motor drive PCB inside the control box.
LED Signal function Function
D1 Drive active On
D15 Brake released On
D16 Up Off
D17 Down Off
THC.59
= ON
4) RESERVED FOR FUTURE USE
OFF=NORMAL DOWN
ON=LIMITED DOWN
3) LIMITED DOWN SPEED
OFF=HYDEF
ON=CONVENTIONAL
2) CONVENTIONAL/HYDEF RESOLUTION
OFF=FAST
ON=SLOW
1) FAST/SLOW RESPONSE
4 3 2 1
OFF S1
MOTOR DRIVE PCB
+24V
-12V
+12V
+5V
ACTIVE
DRIVE
GND
1
1
1 1
TP5
U9
TP8 TP7
TP6
TP2
TP4
TP1
J1
JP5
JP1
D1
U8
P1 P2
J2
DC POWER IN
TO LIFTER I/O CABLE TO MOTOR
R
TP3
SET CURRENT
5V = 3A
041511
R
D15
D16
G
D17
R
DOWN
UP
BRAKE
Cntrl box
THC #2
motor drive PCB
Control box figure
THC #1 power supply (see next page)
THC #2 power supply
THC #1
motor drive PCB