HEIDENHAIN iTNC 530 Service Manual page 474

D-sub connector, 37-pin
X46:
Machine
PLC inputs I128 to I152 and PLC outputs O0 to O7 are on connection X46 of the machine
operating panel
operating panel. The reference potential (PLC) for outputs O0 to O7 is connected to pins 34
and 35.
Pin layout on the MC 42x (B/C), connecting cables and machine operating panel:
MC 42x (B/C), X48
Female
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34, 35
36, 37
Housing
a. Also via X41 (PLC outputs on the MC 42x(B))
27 – 474
Caution
PLC inputs I128 to I152 must be switched only with the power supply from pins 36 and 37,
since this power supply is internally protected for this purpose (PLC supply voltage from X44
connection 2).
Connecting cable ID 263 954-xx
Pin layout Male
I128 1
I129 2
I130 3
I131 4
I132 5
I133 6
I134 7
I135 8
I136 9
I137 10
I138 11
I139 12
I140 13
I141 14
I142 15
I143 16
I144 17
I145 18
I146 19
I147 20
I148 21
I149 22
I150 23
I151 24
I152 25
a
O0 26
a
O1 26
a
O2 28
a
O3 29
a
O4 30
a
O5 31
a
O6 32
a
O7 33
0 V (PLC) 34, 35
+24 V (PLC) 36
Ext. shield Housing
Female
Gray/Red 1
Brown/Black 2
White/Black 3
Green/Black 4
Brown/Red 5
White/Red 6
White/Green 7
Red/Blue 8
Yellow/Red 9
GY/PK 10
Black 11
Pink/Brown 12
Yellow/Blue 13
Green/Blue 14
Yellow 15
Red 16
Gray 17
Blue 18
Pink 19
WH/GY 20
Yellow/Gray 21
Green/Red 22
White/Pink 23
Gray/Green 24
Yellow/Brown 25
Gray/Brown 26
Yellow/Black 27
White/Yellow 28
Gray/Blue 29
Pink/Blue 30
Pink/Red 31
Brown/Blue 32
Pink/Green 33
Brown, Yellow/Pink 34, 35
Violet, White 36, 37
External shield Housing
HEIDENHAIN Service Manual iTNC 530
MB 420, X1
Male Key
1 X –
2 Y –
3 Z–
4 IV–
5 V–
6 X +
7 Y +
8 Z +
9 IV+
10 V +
11 Tool change
12 Unlock tool
13 Menu select.
14 Unlock door
15 Chip removal
16 Spindle on
17 Spindle off
18 Coolant
19 NC start
20 NC stop
21 Rapid trav.
22 Retract axis
23 Rinse water
jet
24 Via X3
25 Via X3
26 Via X4
27 Via X4
28 Via X4
29 Via X4
30 Via X4
31 Via X4
32 Via X4
33 Via X4
34, 35
36,37
Housing