Connection Methods - Siemens SIMATIC S5-90U System Manual

S5-90U/S5-95U
3.3 Wiring
3.3.1

Connection Methods

The following wiring techniques can be used for the S5-90U and S5-95U:
• Standard screw-type connection
• SIGUT screw-type connection
• Crimp snap-in connection
Examples of Standard Screw-Type Terminals:
• Screw-type terminals of the S5-90U
• Screw-type terminals of the front connector of the S5-95U.
Screw-type terminals for
power supply modules and
inputs of the S5-90U:
+ -
N 230 115
24V DC
V V
Power AC 100mA
OUTPUT
Screw-type terminals for the outputs of the S5-90U:
32.0 32.1 32.2
For standard screw-type connections, one cable per terminal can be connected. It is best to use a
3.5 mm screwdriver to tighten the screws.
Permissible cable cross-sections:
• Stranded conductor with core end sleeve:
• Solid conductor:
EWA 4NEB 812 6115-02b
32.0 .1 .2 .3 .4 .5 .6 .7
32.3 32.4
Figure 3-13. Standard Screw-Type Terminals
1 x 0.25 to 1.5 mm
1 x 0.25 to 1.5 mm
Front connector of the S5-95U:
((Bild v. BPZ))
33.0 .1
32.5
2
2
Installation Guidelines
3-15