Lenze PROFIBU PC-based Automation - Manual (Page 20)

Control technology | PROFIBUS communication manual
Technical data
Technical data of the MC-PBM communication card
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DMS 2.2 EN 07/2011 TD17
5 Technical data
5.1 Technical data of the MC-PBM communication card
Connection of PROFIBUS (SUB-D, 9-pole plug)
Field Values
Protocol PROFIBUS-DP (V0, V1), ISO 7498
Communication medium RS485
Network topology Line terminated on both sides (without repeater) / tree (with
repeater)
• Termination with Sub-D plug
Type within the network Master
Max. number of stations per segment 63
Max. number of stations per network 128
Baud rate See chapter " Baud rate / bus cable length " ( 21)
Bus length
Connection
SUB-D, 9-pole plug
View Pin Assignment Description
1 free -
2 free -
3 RxD/TxD-P Data line B (received data/transmitted data plus)
4 RTS Request To Send (received data / transmitted data, no differential
signal)
5 M5V2 Data ground (ground to 5 V)
6 P5V2 5 V DC / 30 mA (bus termination)
7 free -
8 RxD/TxD-N Data line A (received data / transmitted data minus)
9 free -