2 plc outputs, 3 pl connection, X41 = plc output – HEIDENHAIN TNC 407 (243 020) Technical Manual User Manual
Page 85: X47 = plc i/o board (pl), 2 plc output
11.2.2 PLC output
The PLC outputs O0 to O30 and the "Control operational" output are on connector X41 (PLC output).
The PLC outputs O0 to O7 are also to be found on the connector for the machine control panel
(X46). See also under heading "Machine control panel".
X41 PLC output
D-sub 37-pin female connection
Pin number
Assignment
Pin number
Assignment
1
O0
19
O18
2
O1
20
O19
3
O2
21
O20
4
O3
22
O21
5
O4
23
O22
6
O5
24
O23
7
O6
25
O24
1)
8
O7
26
O25
1)
9
O8
27
O26
1)
10
O9
28
O27
1)
11
O10
29
O28
1)
12
O11
30
O29
1)
13
O12
31
O30
1)
14
O13
32
Do not use
15
O14
33
0 V (PLC) test output;
do not use
16
O15
34
Control is operational
1)
17
O16
35, 36, 37
24 V (PLC) test output;
do not use
18
O17
Housing
Outer screen
1)
Not switched off by EMERGENCY STOP
11.2.3 PL connection
X47 PLC I/O Board
D-sub 37-pin male connection
Pin number
Assignment
Pin number
Assignment
1, 2, 3
0 V
13
Screen
4
Serial IN 2
14, 15, 16
+ 12 V (from PL)
5, 6, 17, 18
Do not use
19
Serial IN 1
7
RESET
20
EMERGENCY STOP
8
WRITE EXTERN
21
Serial OUT
9
WRITE EXTERN
22
Serial OUT
10
A5
23
A4
11
A3
24
A2
12
A1
25
A0