D397-51-880 Issue E
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TECHNICAL DATA
2.3.2 Profibus connector
Figure 2 - Pin connections for 9-way ‘D’ type socket
Connector type 9-way ‘D’ type socket (Refer to Figure 2)
Profibus Data signals Electrically compliant with RS485 specification.
Isolated from chassis.
Profibus Power Supply 10 mA supply (protected) for external terminator
resistors if required.
Chassis For Profibus cable screen connection
Repeater control signal Digital signal, nominally 0-5 V but with series 340 ohm
resistor. High = module transmitting. Low = Receiving
or Idle.
Table 1 - Pin connections for 9-way ‘D’ type socket
Pin Allocation
1
2
3
4
5
6
7
8
9
Shell
Chassis (box)
Not connected
Profibus Data + (B)
Control Signal for Repeater
Profibus Data reference (isolated)
Profibus 5V output (isolated)
Not connected
Profibus Data - (A)
Not connected
Chassis (box)
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