Siemens Simatic CFU User Manual

7.4 Connecting the device to the CFU (PROFIBUS PA field device,
sensor, actuator)
7.4.1 CFU PA: Connecting a PROFIBUS PA field device
Note
Field devices with hardware-coded address
Read the information on this in the section "CFU PA: Configuring a PROFIBUS PA field device
(offline) (Page 88)".
You can connect one PROFIBUS PA field device to each fieldbus connection of the CFU PA
(fieldbus connections FB0 to FB7):
● You can find information on the terminal pin assignment in the section "CFU PA: Terminal
assignment (Page 183)".
● You can find information on connecting the cables in section "Selecting connection system
(Page 62)".
Terminals for the bus cable to the field device <n>+ and <n>-
Plug with screw-type terminals Plug with push-in terminals
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
Wiring
Note
Grounding
The shield of the PROFIBUS PA cables must be connected to the functional earth in each case.
Refer to section "Preparing cables (Page 63)".
Additional information
● Section "Technical specifications of the Compact Field Unit PA (Page 165)"
● Section "Tools and tightening torques (Page 186)"
Connecting
7.4 Connecting the device to the CFU (PROFIBUS PA field device, sensor, actuator)
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD 59

Siemens Simatic CFU Specifications

General

Brand	Siemens
Model	Simatic CFU
Category	I/O Systems
Language	English