Instructions
Doc: HMSI-27-306, Rev. 3.11Anybus Communicator PROFIBUS User Manual
Appendix A
A. Connector Pin Assignments
A.1 PROFIBUS Connector
Recommended Connectors:
• PROFIBUS Max standard (Part no. 134928, www.erni.com)
• PROFIBUS reversed (Part no. 104577, www.erni.com)
• Fast Connect Bus Connector
(Part no. 6GK1500-0FC00 or 6ES7 972-0BA50-0XA0, www.siemens.com)
A.2 Power Connector
Notes:
• Use 60/75 or 75 °C copper (Cu) wire only.
• Minimum terminal tightening torque: 5–7 lb-in (0.5–0.8 Nm).
Pin Signal Description
Housing Shield Bus cable shield, connected to PE
1- -
2- -
3 B-Line Positive RxD/TxD (RS485)
4
RTS
a
a. May be used by some devices to determine the direction of transmission
Request To Send
5
GNDBUS
b
b. Used for bus termination; may also be used to power optical transceivers (RS485 to fibre optics)
Isolated GND from RS-485 side
6
+5V BUS
b
Isolated +5 V output from RS-485 side (80 mA max)
7- -
8 A-Line Negative RxD/TxD (RS485)
9- -
Pin Description
1 +24 VDC
2GND
51
69
(female)
12










