January 2012 3.21 Adapters for Encoder Signals 251
Adapter connector
TTL (HEIDENHAIN)/
1 V
PP
Pin layout of D-sub connector (female) and D-sub connector (male):
Adapter connector
TTL (SIEMENS)/
1 V
PP
Pin layout of D-sub connector (female) and D-sub connector (male):
D-sub connector
(female)
15-pin
Assignment D-sub connec-
tion (male)
15-pin
Assignment
1+5 V (U
P
) 1 +5 V (U
P
)
2 0 V (U
N
)2 0 V (U
N
)
3A+3U
a1
4A–4–U
a1
5 Not assigned 5 Not assigned
6B+6U
a2
7B–7–U
a2
8 Not assigned 8 Not assigned
9 +5 V 9 +5 V
10 R+ 10 U
a0
11 0 V 11 0 V
12 R– 12 –U
a0
13 Not assigned 13 Not assigned
14 Do not assign
a
a. The control assigns the EnDat clock to pin 14. Therefore, you must
not assign any signals to this pin when using the TTL adapter
connector.
14 Do not assign
a
15 Not assigned 15 Not assigned
D-sub connector
(female)
15-pin
Assignment D-sub connec-
tion (male)
15-pin
Assignment
1 Not assigned 1 Not assigned
20 V20 V
3A+3U
a1
4A–4–U
a1
5 Not assigned 5 Not assigned
6B+6U
a2
7B–7–U
a2
8 Not assigned 8 Not assigned
9 Not assigned 9 Not assigned
10 R+ 10 Not assigned
11 Not assigned 11 Not assigned
12 R– 12 U
a0
13 Not assigned 13 –U
a0
14 Not assigned 14 Not assigned
15 Not assigned 15 Not assigned