Cable specification
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 7-13 Cable specification for X150 ports 1, 2
Characteristic Version
Connector type RJ45 socket
Cable type Industrial Ethernet cable (as of CAT5)
Max. cable length 100 m
7.9 PROFIBUS DP
7.9.1 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 configuration
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 differential signal
4 1RTS_DP O Request to send
5 M5EXT VO Ground to P5EXT
Connecting
7.9 PROFIBUS DP
NCU 1760
Equipment Manual, 02/2020, A5E45627861B AB 69
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