This document provides a schematic for the electrical system of a CNC machine. It shows the wiring diagram connecting the various components including motor drivers for the X, Y, and Z motors. It also shows the connections for inputs like limit switches and emergency stop buttons, as well as the power supply, inverter, and contactors that control power to the motors and pump.

1. M
Z-MOTORDRIVER
Out
converter
POWER
SUPPLY
171819
2174
R2
R1
53
0
54
3
4
5
CM
58
59
64
3
4
1
2
39
55
56
57
5V
GND
1
2
1
0
CLCK
DIR
33
34
47
48
4
5
0
GND
+VDC
0
2
SPINDLEINPUTOUTPUTZX Y
PCPORT
INTERFACE
X-MOTORDRIVER
2
2
+24V
0
2
GND
0
0
AC220
E
21
20
0
49
39
0
3
0
InPwr
R668
0
02
2
65
R5
67
66
2
75
R4
0
56
2
74
R3
0
58
2
69
R2
0
57
2
68
R1
0
59
P1
P2
53
54
VR
CM
3
0
CM
VI
0
49
U96
INVERTER
V97
W98
L2L1NL3
321
PHASE
SEQUENCE
R21
S22
T23
E
23L3
22L2
21L1
20N
21L1
95L3
94
L1
L2
93
20
74
CONTACTOR
X-MOTOR
Z-MOTOR
CLCK
DIR
CLCK
DIR
PUL+
PUL-
DIR+
DIR-
GND
+VDC
A+
A-
B+
B-
1
4
1
5
0
6
7
8
9
2
PUL+
PUL-
DIR+
DIR-
GND
+VDC
A+
A-
B+
B-
1
33
1
34
0
35
36
37
39
2
Y-MOTOR+VDC
GND
A+
A-
2
0
43
44
B+
B-
45
46
CW+
CW-
EN+
EN-
1
48
CLK+
CLK-
1
47
Y-MOTOR
DRIVER
59
680
E.S1
0
1
64
RPM
SENSOR
PUMP
CONTACTOR
55
65
0
680
E.S2
690
L.SX
740
L.SZ
750
L.SY
E.S1...EmergencyStopbuttoninMachine
E.S2...EmergencyStopbuttoninControlBox
L.SX...X-AxisLimitSwitch
L.SZ...Z-AxisLimitSwitch
L.SY...TailStockLimitSwitch
M...SpindleMotor
PumpContactor==>inMachineControlBox(OldBox)