Mounting and Cabling
EP3356-0022
23
Version: 1.4
4.3.2
Status LEDs
Fig. 14: Status LEDs for the supply voltages
LED
Display
Meaning
U
S
(control voltage)
off
Supply voltage U
S
is not present
green illuminated
Supply voltage U
S
is present
U
P
(peripheral voltage)
off
Supply voltage U
P
is not present
green illuminated
Supply voltage U
P
is present
4.3.3
Conductor losses
Take into account the voltage drop on the supply line when planning a system. Avoid the voltage drop being
so high that the supply voltage at the box lies below the minimum nominal voltage.
Variations in the voltage of the power supply unit must also be taken into account.
Voltage drop on the supply line
Vert. Faktor: 0,45 cm / V
5
10
15
20
2
4
6
8
10
25
0
0
12
30
Vert. Faktor: 0,45 cm / V
Voltage drop (V)
Cable length (m)
35
0,25 mm²
0,34 mm²
0,5 mm²
0,75 mm²
I = 2 A
Vert. Faktor: 0,45 cm / V
5
10
15
20
2
4
6
8
10
25
0
0
12
30
Vert. Faktor: 0,45 cm / V
Voltage drop (V)
Cable length (m)
35
0,25 mm²
0,34 mm²
0,5 mm²
0,75 mm²
I = 4 A
Содержание EP3356-0022
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Страница 79: ...Commissioning Configuration EP3356 0022 79 Version 1 4 Fig 49 Confirming program start ...
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