Siemens SINUMERIK 840D sl Equipment Manual page 67

Pin
7
8
9
The 1P5 voltage is provided exclusively to supply the bus termination.
Signal type: VO = Voltage output (power supply) O = Output; B = Bidirectional
Table 7-19
Pin
1
2
3
4
5
6
7
8
9
The 1P5 voltage is provided exclusively to supply the bus termination.
Signal type: VO = Voltage output (power supply) O = Output; B = Bidirectional
Position of connectors
The following figure shows the mounting position and the designation of the connector on the
module.
Figure 7-9
NCU 7x0.3B PN
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
Signal name Signal type Meaning
P24_SERV VO
1XRS_DP B
- -
PROFIBUS DP/MPI interface X136
Signal name Signal type Meaning
- -
M VO
2RS_DP B
2RTS_DP O
1M5EXT VO
1P5EXT VO
P24_SERV VO
2XRS_DP B
- -
PROFIBUS DP/MPI interfaces
24 V for teleservice, short-circuit proof, 150mA maximum
RS-485 differential signal
Reserved, do not use
Reserved, do not use
Ground to P24_SERV
RS-485 differential signal
Request to send
Ground to 1P5EXT
5 V power supply for bus termination, external, short-circuit
proof
24 V for teleservice, short-circuit proof, 150mA maximum
RS-485 differential signal
Reserved, do not use
Connecting
7.9 PROFIBUS DP
67