Connecting And Wiring Hardware; Supply Voltage; Sizing Of The Power Supply; Overload Range With Fall-Back Characteristic Curve - Phoenix Contact AXC F 1152 Installing, Starting Up, And Operating

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Connecting and wiring hardware

U
OUT
[V]
24
I
Figure 5-1 Overload range with fall-back characteristic
curve
107708_en_08
5.1

Supply voltage

5.1.1

Sizing of the power supply

• Choose a power supply unit that is suitable for the currents in your application. The se-
lection depends on the bus configuration and the resulting maximum currents.
WARNING: Loss of electrical safety when using unsuitable power supplies
The controllers are designed exclusively for operation with protective extra-low voltage
(PELV) in accordance with EN 60204-1. Only PELV in accordance with the listed stan-
dard may be used for the supply.
The following applies to the network (PROFINET) and the I/O devices used in it:
Only use power supply units that meet EN 61204, with safe isolation and PELV in accor-
dance with EN 50178 or EN 61010-2-201. These prevent short circuits between primary
and secondary sides.
A power supply without a fall-back characteristic curve must be used for the correct
operation of the controller (see
When the controller is switched on, an increased inrush current occurs briefly. When it is
switched on, the controller behaves like a capacitive load.
Some electronically controlled power supplies have a fall-back characteristic curve (see
Figure 5-1). They are not suitable for operation with capacitive loads.
Overload range
with fall-back
characteristic curve
N
1.1 x I 2.4 x I
N
Figure 5-2).
U
OUT
[ ] V
24
I
OUT
[A]
N
Figure 5-2
Connecting and wiring hardware
Overload range
without fall-back
characteristic curve
I
N
Overload range without fall-back
characteristic curve
PHOENIX CONTACT
I
OUT
[ ] A
1.5 x I
N
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