Phoenix Contact ILC 330 Series, Руководство пользователя, Страница: 35 / 96

Description of the Inline controller
6959_en_07 PHOENIX CONTACT
35
2.14 Power supply
2.14.1 Sizing of the power supply
Choose a power supply unit that is suitable for the currents in your application. The selection
depends on the bus configuration, the resulting maximum currents, and the type of supply
(separate supply of U
ILC
, U
M
, and U
S
, or supply from a power supply unit).
Some electronically controlled power supplies have a fall-back characteristic curve (see
Figure 2-21). They are not suitable for operation with capacitive loads.
A primary-switched power supply (without fall-back characteristic curve) from the
QUINT POWER range (see INTERFACE catalog from Phoenix Contact) is recommended
for Inline controller operation.
A power supply without a fall-back characteristic curve must be used for correct
operation of the Inline controller (see Figure 2-22).
When the Inline controller is switched on, an increased switch-on current is temporarily
triggered. The Inline controller behaves like a capacitive load when it is switched on.
Figure 2-21 Overload range with fall-back characteristic
curve
Figure 2-22 Overload range without fall-back
characteristic curve
24
U
OUT
[ ]
V
I
OUT
[ ]
A
I
N
1,1 x I
N
2,4 x I
N
6219B070
Overload range
with fall-back
characteristic curve
6219B071
24
U
OUT
[ ]
V
I
OUT
[ ]
A
I
N
1,5 x I
N
Overload range
without fall-back
characteristic curve