B.2.4.3 Actual value channels
Table B-16 Power Stack Adapter 2: Actual value channels
Single fiber-optic cable Meaning, actual value acquisition Technical specifications
X70, X71 DC-link voltages Fiber-optic cable type: 2 mm
plastic optical fiber (POF)
Max. length of fiber-optic cable:
20 m
X72, X73 Output currents
X74, X75 Output voltages
X76 to X78 N.C.
X79 Voltage sensing braking chopper
B.2.4.4 Trip line
Table B-17 Power Stack Adapter 2: Trip line
Fiber-optic cable Meaning Technical data
X81
● Two PSAs Duplex fiber-
optic cable;
● > two PSAs Single fiber-
optic cable)
Trip line for direct data ex‐
change between PSAs
Fiber-optic cable type:
2 mm plastic optical fiber (POF)
Max. length of fiber-optic cable: 10 m
B.2.4.5 DRIVE-CLiQ interface
Table B-18 DRIVE-CLiQ interface
Pin Signal name Technical data
1 TXP Transmit data +
2 TXN Transmit data -
3 RXP Receive data +
4 Reserved, do not use
5 Reserved, do not use
6 RXN Receive data -
7 Reserved, do not use
8 Reserved, do not use
A + (24 V) Power supply
B M (0 V) Electronics ground
Blanking plate for DRIVE-CLiQ interface: Molex, order number: 85999-3255.
The maximum DRIVE-CLiQ cable length is 50 m.
Technical data and drawings
B.2 Terminal assignments
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 205