
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
Connecting
7.6 CFU PA: Connecting the cable shields of the PROFIBUS PA cables
SIMATIC CFU
64
Commissioning Manual, 08/2019, A5E39252870-AD
Summary of Contents for Simatic CFU
Page 8: ...Table of contents SIMATIC CFU 8 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 10: ...Security information SIMATIC CFU 10 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 16: ...What is a Compact Field Unit SIMATIC CFU 16 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 54: ...Installation 6 4 Removing the CFU SIMATIC CFU 54 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 202: ...Appendix A 10 Contact SIMATIC CFU 202 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 216: ...Glossary SIMATIC CFU 216 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 220: ...Index SIMATIC CFU 220 Commissioning Manual 08 2019 A5E39252870 AD ...