Interfaces
3.6 PROFIBUS DP interfaces
D4x5
48 Manual, 05/2009
Interface assignment for X126
Table 3- 13 PROFIBUS DP interface X126
Pin Signal name Signal type Meaning
1 -- -- Reserved, do not use
2 M VO Ground to P24_SERV
3 1RS_DP B RS-485 differential signal
4 1RTS_DP O Request to send
5 1M VO Ground to 1P5
6 1P5 VO 5 V power supply for bus terminal, external, short-circuit
proof
7 P24_SERV VO 24 V for teleservice, short-circuit proof, 150 mA maximum
8 1XRS_DP B RS-485 differential signal
9 -- -- Reserved, do not use
Signal type: VO = Voltage output (power supply) O = Output B = Bidirectional
Interface assignment for X136
Table 3- 14 PROFIBUS DP interface X136
Pin Signal name Signal type Meaning
1 -- -- Reserved, do not use
2 M VO Ground to P24_SERV
3 2RS_DP B RS-485 differential signal
4 2RTS_DP O Request to send
5 1M VO Ground to 1P5
6 1P5 VO 5 V power supply for bus terminal, external, short-circuit
proof
7 P24_SERV VO 24 V for teleservice, short-circuit proof, 150 mA maximum
8 2XRS_DP B RS-485 differential signal
9 -- -- Reserved, do not use
The 1P5 voltage is provided exclusively for the bus terminal.
No OLPs are permitted.
Signal type: VO = Voltage output (power supply) O = Output B = Bidirectional
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