Siemens SINUMERIK 840D sl Manual page 24

General information and networking
1.3 Connecting
USB sticks that deviate from these requirements have not been tested can may not be
recognized by the NCU.
PROFIBUS DP / MPI interface
Connector type:
Max. data transmission rate:
Max. cable length:
Table 1-7
PROFIBUS DP interface
Connector type:
Max. data transmission rate:
Max. cable length:
24
Assignment of the PROFIBUS DP / MPI interface
Connector Pin
1,2
3
4
5
6
7
8
9
Shield
9-pin sub-D socket
12 Mbit/s
100 m
Name Type Remark
N.C. - Not connected
LTG_B B Signal line B of MPI module
RTS_AS I Control signal for receive data current. Signal 1
active if directly connected control is sending.
M5EXT V Return line (GND) of 5 V supply. Current load
from a load of 90 mA max. connected between
P5EXT and M5EXT.
P5EXT V 5 V supply (current load see M5EXT)
N.C. - Not connected
LTG_A B Signal line A of MPI module
RTS_PG O RTS signal of MPI module; signal is "1", when
PG is sending
- On connector housing
9-pin sub-D socket
12 Mbit/s
100 m
Operator panel front: OP 012
Manual, 09/2016, A5E36371591B