4.6
PROFIBUS DP interfaces
Features of the interface
Table 4-12
Interfaces X126 and X136
Features
Type
Connector type
9-pin SUB‑D socket
Cable type
PROFIBUS cable
Maximum cable length
100 m at 12 Mbps
Interface assignment for X126
Table 4-13
PROFIBUS DP interface X126
Pin
Signal name
Signal type Meaning
1
--
--
Reserved, do not use
2
G
VO
Ground to P24_SERV
3
1RS_DP
B
RS-485 differential signal
4
1RTS_DP
O
Request to send
5
1G
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
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
Interface assignment for X136
Table 4-14
PROFIBUS DP interface X136
Pin
Signal name
Signal type Meaning
1
--
--
Reserved, do not use
2
G
VO
Ground to P24_SERV
3
2RS_DP
B
RS-485 differential signal
4
2RTS_DP
O
Request to send
5
1G
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
Interfaces
4.6 PROFIBUS DP interfaces
SIMOTION D4x5
60
Manual, 04/2014