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Chapter Three I/O Interface of Machine Control
191
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CHAPTER THREE I/O INTERFACE OF MACHINE CONTROL
3.1 Interface Signal Table
IN32
COM
IN33
IN35
IN36
IN38
COM
IN41
IN43
IN44
IN46
+24V
COM
IN47
IN45
COM
IN42
IN40
IN39
COM
IN34
+24V
IN37
+24V
+24V
IN21
+24V
IN16
IN18
COM
IN23
IN24
IN26
COM
IN29
IN31
COM
IN01
IN03
IN04
IN06
COM
IN09
IN11
IN12
IN14
+24V
COM
IN15
IN13
COM
IN10
IN08
IN07
COM
IN02
IN00
+24V
IN05
+24V
COM
IN17
IN19
IN20
IN22
COM
IN25
IN27
IN28
IN30
+24V
COM
6
2
8
1
7
3
4
5
13
12
1 1
9
10
25
24
23
22
21
20
19
18
17
16
15
14
6
2
8
1
7
3
4
5
13
12
1 1
9
10
25
24
23
22
21
20
19
18
17
16
15
14
6
2
8
1
7
3
4
5
13
12
1 1
9
10
25
24
23
22
21
20
19
18
17
16
15
14
D033
D035
D036
D038
COM
D041
D043
D044
D046
D047
D045
COM
D042
D040
D039
COM
D034
D032
+24V
D037
+24V
+24V
+24V
+24V
+24V
14
15
16
17
18
19
20
21
22
23
24
25
14
15
16
17
18
19
20
21
22
23
24
25
+24V
+24V
D005
+24V
D000
D002
COM
D007
D008
D010
COM
D013
D015
25
24
23
22
21
20
19
18
17
16
15
14
D001
D003
D004
D006
COM
D009
D011
D012
D014
+24V
+24V
+24V
6
2
8
1
7
3
4
5
13
12
1 1
9
10
10
9
1 1
12
13
5
4
3
7
1
8
2
6
6
2
8
1
7
3
4
5
13
12
1 1
9
10
D017
D019
D020
D022
COM
D025
D027
D028
D030
D031
D029
COM
D026
D024
D023
COM
D018
D016
+24V
D021
+24V
+24V
+24V
+24V
+24V
COM
COM
COM
XS42(
input
3)：DB25
male plug
XS41(
input
2)：DB25
male plug
XS40(
input
1)：DB25
male plug
DB25
female plug
XS43：
output
1
XS44：
output
2 DB25
female plug
XS45：
output
3 DB25
female plug
cFig. 3-1-1
Wherein, XS40, XS41 and XS42 are input interfaces (DB25 male); XS43, XS44 and XS45 are
output interfaces (DB25 female).
3.2 Interface Input
3.2.1 Interface Circuit Input
The DC input signal is the one from machine to CNC where is come from the button of the
machine side, limit switch and contactor of relay, etc.
