Siemens SINUMERIK ONE NCU 1740 - Profibus Dp; Application

Cable speci󹪝cation
For PROFINET, you always require a data transmission rate of 100 Mbit/s (Fast Ethernet) in full
duplex mode. For data transfer purposes, you can use twisted-pair copper cables (4-wire,
100Base-T).
Table 8-13 Cable speci󹪝cation for X150 ports 1, 2
Characteristic Version
Connector type RJ45 socket
Cable type Industrial Ethernet cable (as of CAT5)
Max. cable length 100 m
8.9 PROFIBUS DP
8.9.1 Application
Connectable devices
The following devices can be connected to the PROFIBUS DP interfaces:
• Distributed I/O
• Drive units with PROFIBUS DP interface (standard slaves)
• S7 controls with PROFIBUS DP interface
• PG/PC
Properties
• Isolated RS 485 interface
• Max. data rate 12 Mbits/s
• Supports master/slave operation
• PROFIBUS address is set via con󹪝guration
X126 pin assignment
Pin Signal name Signal type Meaning
1 - - Reserved, do not use
2 M VO Ground to P24_SERV
3 1RS_DP B RS-485 di󹪜erential signal
4 1RTS_DP O Request to send
5 M5EXT VO Ground to P5EXT
Connecting
8.9 PROFIBUS DP
NCU 1740
Equipment Manual, 10/2021, A5E51087503B AA 73