Pin
Signal name
Signal type
Meaning
6
RX-
I
Receive data -
7
N.C.
-
Reserved, do not use
8
N.C.
-
Reserved, do not use
Cable specification
Table 11-38 Cable specification at X2, ports 1, 2
Characteristic
Version
Connector type
RJ45 socket
Cable type
Industrial Ethernet cable (as of CAT5)
Max. cable length
100 m
LED displays
For diagnostic purposes, the RJ45 sockets are each equipped with a green and a yellow LED.
This allows the following information to be displayed for the respective PROFINET port:
Table 11-39 PROFINET ports LED displays
Name
Color
Status
Meaning
Link
Green
lit
Transfer rate 100 Mbit/s
off
No or faulty connection
Activity
Orange
lit
Data exchange
off
No data exchange
PROFINET address (S1)
A logical address can be assigned to the I/O module for communication with PROFINET using
a 10-bit DIP switch S1.
Table 11-40 General settings with switch S1
1
2
3
4
5
6
7
8
9
10 Meaning
on
on PROFINET functionality
on
on
on
on
on
on
on
on
DCP mode
The switch positions 9 and 10 guarantee the PROFINET functionality of the module and must
always be switched "on".
DCP mode
In this mode, there is no default device name.
The device name must be set using initialization and remains saved on the I/O module. It is first
deleted when the factory setting is restored, e.g. using STEP 7 (TIA Portal).
Connectable components
11.3 PP 72/48D PN 2/2A PN
NCU 1760
130
Equipment Manual, 02/2020, A5E45627861B AB
Summary of Contents for SINUMERIK ONE NCU 1760
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