Electronics Power Supply X124; X21 Profibus - Siemens SINAMICS S120 Equipment Manual

6.2.3.6

Electronics power supply X124

Table 6-5 Terminal block X124
Terminal
+
+
M
M
Max. cross-section that can be connected: 2.5 mm
Type: Screw terminal 2 (see Appendix A)
Note
The two "+" and "M" terminals are jumpered in the connector. This ensures the supply
voltage is looped through.
The current consumption increases by the value for the DRIVE-CLiQ node.
6.2.3.7

X21 PROFIBUS

Table 6-6 PROFIBUS interface X21
Pin
1
2
3
4
5
6
7
8
9
Type: 9-pin SUB-D female
Equipment Manual AC Drive
Manual, (GH6), 03/2006 Edition, 6SL3097-2AL00-0BP0
Function
Electronics power supply
Electronics power supply
Electronic ground
Electronic ground
2
Signal name Meaning
- Do not use
M24_SERV Power supply for teleservice, ground
RxD/TxD–P Receive/transmit data P (B)
CNTR–P Control signal
DGND PROFIBUS data reference potential
VP Supply voltage plus
P24_SERV Power supply for teleservice, + (24 V)
RxD/TxD–N Receive/transmit data N (A)
- Do not use
6.2 Control Unit CU310 DP (PROFIBUS)
Technical specifications
Voltage: 24 V DC (20.4 V - 28.8 V)
Current consumption: max. 0.8 A
(without DRIVE-CLiQ or digital outputs)
Max. current via jumper in connector:
20 A at 55 °C
Control Units
Range
0 V
RS485
TTL
5 V + -10 %
24 V (20.4 V -
28.8 V)
RS485
6-11