Siemens SINAMICS S110 - Page 145

CU305 Control Units
7.3 Interface description
SINAMICS S110
Manual, 07/2015, 6SL3097-4AC10-0BP5
145
Setpoint value specification: Sensor signal with TTL level
This sections shows an example of how to connect bipolar TTL encoders to the
pulse/direction interface of Control Unit CU305. Connection to the controller supports
setpoint value specification via A track and B track.
Table 7- 14 Setpoint value specification: Sensor signal with TTL level
Pin
Signal name
Technical data
1 ... 6
Not relevant
–
7 M Ground
8 ... 11
Not relevant
–
12 Setpoint value specification,
sensor signal
B track negative
13
B track positive
14
Setpoint value specification,
sensor signal
A track negative
15 A track positive
Type: 15-pin SUB D connector
The required settings for the pulse/direction interface need to be made in the STARTER.
Please refer to the SINAMICS S110 Function Manual for details.
Connection example
The image below shows an example of how to connect TTL encoders to interface X23 of a
Control Unit CU305 for setpoint value specification via A track and B track.
Figure 7-7 Connection of TTL encoders to interface X23 for setpoint value specification via A track
and B track