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Performance specifications
. Installation
he power adapter can be installed to a DIN rail or directly installed with
rews.
ach installation procedure is described below.
1 Installation direction
o not install the power adapter on the floor surface, the ceiling surface or
the vertical direction. If the power adapter is installed on such a surface
in such a direction, its temperature may rise.
ake sure to install the power adapter on the wall horizontally.
2 Installation to DIN rail
ign the upper DIN rail installation groove in the power adapter with the
N rail 1), and press the power adapter in that status 2).
hen removing the power adapter, pull downward the hook for installation
DIN rail 3), then remove the power adapter 4).
Item Specification
oltage input range Depends on the connected model (28.8V DC max.).
Max. rated current
5.0A
[Use the power adapter in the range in which the
total current consumption of each unit does not
exceed the maximum rated current while the power
is supplied (except the period immediately after the
power is turned on).]
nsulation resistance
10MΩ between the external terminals as a whole
and the ground terminal by 500V DC megger
xternal connection
method
Supplies power from outside to power adapter:
3 points (M3 screws) on terminal block
Communication line/module power supply module
Compatible with flat cable dedicated to CC-Link/LT
Connector (with 4 pins) dedicated to CC-Link/LT × 2
1)
Installation Removal
4)
5. Construction Cautions
Installation of power adapters
At least one power adapter is required per CC-Link/LT system.
When constructing the system using only one power adapter, the following three
conditions should be satisfied.
If the following two conditions are not satisfied, use of two or more power
adapters in constructing the system.
• The current capacity of the power adapter is 5A, therefore, total current
consumption should be an equivalent to or less than 5 A.
• In order to operate the system in stable status, the voltage drop should be
equivalent to or less than 3.6 V.
• The minimum operating voltage of each module connected to the power
adapter is 20.4 V, therefore, supply voltage subtracted by the voltage drop
should be equivalent to or more than 20.4 V.
5.1 System power calculation method
5.1.1 Current consumption calculation
*1 Some remote I/O modules for CC-Link/LT supply the power for I/O via the flat
cable dedicated to CC-Link/LT.
For the details, refer to the instruction manual of each remote I/O module.
5.1.2 Voltage drop
Calculate the voltage drop based on the simplified graph or the calculation
formula. (supply voltage: 24V DC, ambient temperature: 20°C)
1) Selection based on the simplified graph
Applicable crimp-
style terminal
• RAV1.25-3
• V1.25-3 (manufactured by JST Mfg. Co., Ltd.)
• 1.25-3 and TG1.25-3
(manufactured by NICHIFU Co., Ltd.)
Applicable wire
size
0.3 to 1.25 mm2
Current
consumption
in CC-Link/LT
system
Total current
consumption of
each module in
CC-Link/LT system
Total current consumption
of I/O equipment (such
as sensors) (to which
power is supplied via
communication cable)*1
=+ ≤ 5A
1000
(3280'10")
*1 Some remote I/O modules for CC-Link/LT supply the power for I/O via the flat
cable dedicated to CC-Link/LT.
For the details, refer to the instruction manual of each remote I/O module.
The simplified graph and the calculation formula concerning voltage drop
calculations may not be accurate depending on the ambient temperature
and the number of used connectors dedicated to CC-Link/LT.
If the driving voltage (20.4V) cannot be assured in a used remote I/O
module, add another power adapter.
6. Power Wiring
• The external power supply is to be provided by the user.
• Use a proper external power supply with consideration for total current
consumption and total initial current of remote I/O modules and I/O equipment
(such as sensors) connected to the power adapter.
7. Outside Dimensions
Connector for
CC-Link/LT
interface --
DA
--
DB
Internal
circuit
Connector for
CC-Link/LT interface
Terminal block for
power adapter
External power supply
24V DC, 5A or less
Grounding
(100Ω or less)
+24V
DA
24G
DB
LINK LINK/POWER
+
- 24G
+24V
Power adapter
66(2.60") 90(3.55")
Center of DIN rail
Unit: mm(inches)