3 connector assignment on the pl, 1 connection to le or pl #1, 2 connection of pl #2 – HEIDENHAIN TNC 407 (243 020) Technical Manual User Manual
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11.3 Connector assignment on the PL
Power supply see section "PLC power supply"
11.3.1 Connection to LE or PL #1
X1 to PL 410 / PL 410 B
X10 to PL 400
D-sub 25-pin female connector
Pin number
Assignment
Pin number
Assignment
1, 2, 3
0 V
13
Screen
4
Serial IN 2
14, 15
+ 12 V (from PL)
5, 6, 17, 18
Do not use
16
PL identification
7
RESET
19
Serial IN 1
8
WRITE EXTERN
20
EMERGENCY STOP
9
WRITE EXTERN
21
Serial OUT
10
A5
22
Serial OUT
11
A3
23
A4
12
A1
24
A2
25
A0
Housing
External shield
11.3.2 Connection of PL #2
X2 at the PL 410 / PL 410 B
D-sub 25-pin male connector
X11 at the PL 400
D-sub 25-pin female connector
Pin number
Assignment
Pin number
Assignment
1, 2, 3
0 V
13
Screen
4-6, 14-18
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