230
PCNC 770 ELECTRICAL SCHEMATIC
March 2015
START
ESTOP
C1
OUTLET
MACHINE FRAME
BONDED TO
EARTH GROUND
LABEL: COOLANT POWER
LS3 (30742)
PB1
PB2
J3 Ribbon Cable
30685
COMPUTER
OUTLET
LABEL: COMPUTER MONITOR
NEMA 5-20 Plug
OUTLET
LABEL: COMPUTER
J4
Ribbon cable connects J4 to DB25
connector on cabinet. External
connection is made to computer
C1
C2
C2
DISABLE
SW5
J4 Ribbon Cable
30684
SW
C2
LS5
10
10
10
10
10
100
140
122
124
J5-1
J5-2
J5-3
J5-4
J5-5
J5-6
J2-1
J2-2
J2-3
J2-4
J2-
J2-
J1-1
J1-2
J1-3
J1-4
J1-5
J1.6
J1-7
J1-8
J1-9
J1-10
X LIMI
Y LIMI
Z UPPER
F2 - 7 AMP
I/O MOUNT PLATE
DB25 MALE
F1- 1 AMP
DISCONNECT
120
126
100
FAN
L1
N
48 V AC
G (ground)
GREEN / YELLOW
POT1
LED1
LED2
COMPUTER
MACHINE
SW
ACCESSORY
J3
91
10
120
MANUAL SPEED
14 AWG
G (ground)
(Heavy line
is 14 AWG)
10
142
161
162
160
T1 T2 T3 T4 T5 T6
B1 B2 B3 B4 B5 B6 B7
J1-1
J1-2
J1-3
J1-4
J1-6
M1
- + 0 PE PE GND
L1 L2 L3/N U V W
DYNAMIC BRAKE
RESISTOR
32399
403
40
NOTE: RESISTOR
COMES PRE WIRED
M4
BRAKE
120
140
10
143
144
N (neutral)
C1
START
ESTOP
C1
J6
Tormach Machine Control Board
MACHINE FRAME
BONDED TO
EARTH GROUND
LABEL: COOLANT POWER
LS1 (31860)
LS2 (30461)
PB1
PB2
FU1 - 20 AMP
(31657)
J1
J3
J2
COOLANT
OUTLET
LABEL: COMPUTER MONITOR
J7
OUTLET
LABEL: COMPUTER
Ribbon cable connects J4 to DB25
C1
C2
C2
DISABLE
KEY SWITCH
SW6
SW7
J5
C2
LS5
SPINDLE DOOR SW
(30577)
103
104
105
106
107
140
100
122
124
J5-1
J5-2
J5-3
J5-4
J5-5
J5-6
J2-1
J2-2
J2-3
J2-4
J2-5
J2-6
J1-
J1-
J1-
J1-
J1-
J1.
J1-
J1-
J1-
J1-10
X LIMIT
Y LIMIT
Z UPPER
F2 - 7 AMP
31045
DB25 MALE
F1- 1 AMP
DISCONNECT
FU3 - 0.6-2 AMP
(30724)
120
126
N (neutral)
FAN
L1
N
L (line)
14 AWG
BLACK
N (neutral) WHITE
(Heavy line is 14 AWG)
FWD/REV
SW1
POT1
LED1
LED2
COMPUTER
MACHINE
STOP
SW2
START
SW3
AUTO/MAN
SW4
J3
Connection Board
FU6 - 6 AMP
(30456)
115/48 V
PRIMARY/SECONDARY
AXIS DRIVE POWER
400 VA
31441
91
102
120
14 AWG
14 AWG
G (ground)
(Heavy lin
is 14 AWG)
100
100
142
160
X Stepper Driver
32000
(Future Addition)
A Stepper Driver
32793*
310
309
308
M2
32003
T2 to J1-1
T1 to J1-2
B5 to J1-3
T5 to B2 to B4 to J1-4
B6 to J1-6
(J1-4 jumpered to J1-5)
VFD
31109
J1-1
J1-2
J1-3
J1-4
J1-6
401
400
402
403
404
NOTE: RESISTOR
COMES PRE WIRED
120
140
100
143
144
N (neutral)
EMI FILTER
31440
163
164
165
166
167
169
170
3 meter cord
NOTE:
Direct cable from plug will be
marked N. After 1st termination
it will be marked 100.
Spindle
Motor
31431
100
J6 Ribbon Cable
30686
CAP - 15,000 uF
DC BUS BOARD
48VAC
+CAP
-CAP
X+
X-
Y+
Y-
Z+
Z-
A+
A-
301
F1, F2, F3, F4, F7, F8 - 8 AMP
F6 - 15 AMP
F5 - 2 AMP
32005
Brake+
Brake-
Brake RLY+
Brake RLY+
C1
328
329
DB+
DB-
ATC+ ATC-
(FUTURE ADDITION)
POWER DRAWBAR
(FUTURE ADDITION)
AUTOMATI C
TOOL CHANGER
Y Stepper Driver
32000
M3
32003
314
313
312
Z Stepper Driver
32000
M4
32004
318
317
316
M5
322
321
320
323
NOTE: M5 and A Axis are conventional bipolar
*4th axis drivers with a different part number may
connect differently than shown.
30667
LM2
OPTIONAL
LOAD METER
(32096)
LM1 (J1-2)
168
327
326
(Connects to J1-7)
330
(Connects to J1-8)
300
P1
P2
P3
P4
P5
P1
P2
P3
P4
P5
P1
P2
P3
P4
P5
A+
A-
B+
B-
AC
AC
Suppressor
33063
Suppressor
33062
Suppressor
33062
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