Cable Cross-Sections And Wire End Ferrules - Siemens Simatic CFU Commissioning Manual

7.5.2

Cable cross-sections and wire end ferrules

To connect a cable, follow these steps:
Step num‐ Step
ber:
1 Remove cable sheath and
shielding
2 Stripping cables
3 Additional preparation
4 Wiring the connectors
Cables with and without wire end ferrule
Rule for ...
Permitted cable cross-sections for solid cables
Permitted cable Without ferrule
cross-sections for
flexible cables
With ferrule (with plastic sleeve)
With TWIN ferrule
Stripped length of the cables
Wire end ferrules in accordance with DIN 46228 with
plastic sleeve
***
* AWG: American Wire Gauge
** Ferrules without plastic sleeve: 0.25 to 2.5 mm
*** See note on ferrules
SIMATIC CFU
Commissioning Manual, 07/2018, A5E39252870-AC
7.5 Connect cables for sensors, actuators and power supply to the connector
Flexible (stranded), without wire end
ferrule, unprepared
● Length 60 mm
● SIMATIC CFU PA bundle with aluminum enclosure:
Also remove the sheath of the PA bus cables in the area of the shield terminals:
– Bottom terminals: Remove the sheath in the area between 150 mm to
165 mm
– Top terminals: Remove the sheath in the area between 140 mm to 155 mm
● Stripping cable for connectors with screw-type terminals: 7 mm
● Stripping cable for connectors with push-in terminals: 10 mm
Compact the wires or use wire end fer‐
rules.
Observe the following table.
Connect the cables to the plug.
● Connecting the cable using push-in terminals (Page 46)
● Connecting cables using screw terminals (Page 47)
Connections PS<n>
0.2 to 2.5 mm
AWG : 24 to 13
*
0.2 to 2.5 mm
AWG : 24 to 13
*
0.25 mm to 1.5 mm
***
AWG : 24 to 16
*
0.5 mm to 1 mm
***
AWG : 20 to 17
*
7 to 10 mm
7 and 10 mm long
/AWG: 24 to 13
2
Conductor
Solid without wire end ferrule, flexible
(stranded) with wire end ferrule or ultra‐
sonically sealed
None
Connections FB<n> and DIQ<n>
2
2
AWG*: 24 to 14
0.14 mm to 1.5 mm
2**
AWG : 26 to 16
*
0.5 to 0.75 mm
2
AWG : 20 to 18
*
Connecting
2
(see below)
2
45