Application - Siemens SINUMERIK 840D sl Manual

Interfaces
6.3 PROFIBUS DP interfaces X126 and X136
Interface assignment for X126, X136
Table 6-5
Pin
1
2
3
4
5
6
7
8
9
The 1P5 voltage is provided exclusively to supply the bus terminal.
Signal type: VO = Voltage output (power supply) O = Output B = Bidirectional
Position of connectors
The following figure shows the mounting position and designation of the connectors on the
Control Unit.
Figure 6-2
6.3.2

Application

Connectable devices
The following devices can be connected to the PROFIBUS DP interfaces:
● PG/PC
● S7 controllers with PROFIBUS DP interface
● Distributed I/O
● Teleservice adapter
● Drive units with PROFIBUS DP interface (standard slaves)
46
PROFIBUS DP interfaces (X126, X136)
Signal name Signal type
Nc -
M VO
2RS_DP B
2RTS_DP O
1M VO
1P5 VO
P24_SERV VO
2XRS_DP B
Nc -
DP2/MPI
X136
DP1
X126
PROFIBUS DP/MPI interfaces
Meaning
-
Ground to P24_SERV
RS485 differential signal
Request to Send
Ground to 1P5
5 V power supply for bus terminal, external, short circuit-proof
24 V for teleservice, short circuit-proof, 150 mA maximum
RS485 differential signal
-
Manual, 07/2007, 6FC5397-0AP10-2BA0
NCU