Siemens Simatic CFU User Manual

Result
The cable is contacted firmly in the connector.
7.5.4 Connecting cables using screw terminals
Note
Cable cross-sections
With small conductor cross-sections and stranded cables, there is a risk that the cable will be
bent when it is plugged into the terminal.
Recommendation
Use wire end ferrules to prevent contact problems or short circuits.
● You can find information on preparing the cables in section "Preparing cables (Page 63)".
● You can find information on tools in section "Tools and tightening torques (Page 186)".
Connecting the cable
Procedure
1. Prepare the cables.
2. Open the screw terminal using the screwdriver.
3. Insert the cable into the opening as far as it will go.
4. Tighten the screw terminal on the cable using a screwdriver.
Pay attention to compliance with the required tightening torques.
Result
The cable is contacted firmly in the connector.
7.6 CFU PA: Connecting the cable shields of the PROFIBUS PA cables
Introduction
The shields of the fieldbus cables must be connected to the functional earth FE. Guide the
shield as far as possible from the CFU PA connections.
Shielding fieldbus cables with SIMATIC CFU PA Bundle with aluminum housing
Refer to section "CFU PA in aluminum housing: Connecting the cable shields of the PROFIBUS
PA cables (Page 142)".
Connecting
7.6 CFU PA: Connecting the cable shields of the PROFIBUS PA cables
SIMATIC CFU
64 Commissioning Manual, 08/2019, A5E39252870-AD

Siemens Simatic CFU Specifications

General

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