Burkert Type 8642 - Manual (Page 15)

14 - 8642
english
Terminal connections
• Terminals A and E:
Connection for the PROFIBUS PA field bus
Any polarity can be used between terminal 1 and 2
Max. permissible torque for the bus connections (Weidmüller): 5 Nm
NOTE
5.2.1 Connections
Fig. 3: Connection diagram of the I/O Box type 8642
Please observe the instructions of the EX Type examination
certificate PTB No. EX-97.D.2089X for the supply of the valve.
More information regarding the operation and installation of the
Type 6115 (6520) valve can be found in the operating instructions
for these valves.