Plc Inputs - HEIDENHAIN TNC 415 Technical Manual

11.2 Connector assignment
Power supply see section "PLC power supply"

11.2.1 PLC inputs

The PLC inputs I0 to I31 are on connector X42 (PLC input).
The PLC inputs I128 to I152 are on the connector for the machine control panel (X46).
See also the heading "Machine control panel".
X42 PLC input D-sub 37-pin female connection
Pin number Assignment
1 I0
2 I1
3 I2
4 I3 Acknowledgment for
"Control is operational" test
5 I4
6 I5
7 I6
8 I7
9 I8
10 I9
11 I10
12 I11
13 I12
14 I13
15 I14
16 I15
17 I16
18 I17
3-54 TNC 407/TNC 415/TNC 425
Pin number
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33, 34
35, 36, 37
Housing
11 PLC inputs/outputs
Assignment
I18
I19
I20
I21
I22
I23
I24
I25
I26
I27
I28
I29
I30
I31
Do not use
0 V (PLC) test output; Do not
use
Outer screen
01.98