Profibus Cables And Connectors - Siemens SINUMERIK ONE NCU 1750 Equipment Manual

Connecting
8.9 PROFIBUS DP
Pin
6
7
8
9
The P5EXT voltage is provided exclusively to supply the bus termination.
Signal type: VO = Voltage output (power supply); O = Output, B = Bidirectional
Position of the connector
The following figure shows the mounting position and the designation of the connector on the
module.
Figure 8-6
8.9.2

PROFIBUS cables and connectors

Cable specification
The PROFIBUS cable is 2-wire, twisted, and shielded with defined technical data.
Table 8-14
Characteristics
Connector type
Cable type
Max. cable length
76
Signal name Signal type Meaning
P5EXT VO
P24_SERV VO
1XRS_DP B
- -
PROFIBUS DP interface
Cable specification for X126
5 V power supply for bus termination, external, short-circuit
proof
24 V for teleservice, short-circuit proof, 150 mA maximum
RS-485 differential signal
Reserved, do not use
Version
9-pin SUB-D socket
PROFIBUS cable
100 m at 12 Mbit/s
Equipment Manual, 01/2022, A5E45627807B AE
NCU 1750