FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
119
6 Examination of System Configuration
6.8 Number of Input/Output (Occupied) Points and Current Consumption
1
Introducti
on
2
Features
and
Par
t Names
3
Product
Introduc
tion
4
Sp
eci
fic
ati
ons
5
V
ers
ion and
Peri
ph
er
al
D
evices
6
S
yst
em
C
onfi
guration
7
Input/Ou
tput
No
s., Un
it No
s.
8
Inst
allati
on
9
Prep
arati
on an
d
Pow
er Supp
ly
Wi
rin
g
10
Input W
iring
6.8
Number of Input/Output (Occupied) Points and Current Consumption
The following tables show the number of input/output points or the number of input/output occupied points for
each type of device, along with the power supply type and current consumption values needed for selecting a
product.
• Number of input/output points or input/output occupied points on each type of device
• Output current of 5V DC power supply and 24V DC service power supply
*1
of main unit and input/output
powered extension units
• Current consumed by expansion boards, special adapters, input/output extension blocks, special function
units/blocks and display module
*1.
The DC power type and AC power supply/AC input type main unit does not have a 24V DC service
power supply. Instead, it has an internal 24V DC power supply.
The current consumption is determined differently in the following cases.
• 5V DC and internal 24V DC are supplied to the products through an extension cable, and the current
consumption must be calculated
Subtract the current consumption at the internal 24V DC as follows.
- For the AC power supply/AC input type main unit, subtract the current consumption at the internal 24V
DC from the 24V DC service power supply.
- For the DC power type and AC power supply/AC input type main unit, subtract the current consumption
at the internal 24V DC from the power supply for the internal 24V DC.
• The special function units/blocks connected to the AC power supply/AC input type main unit or to the 24V
DC service power supply terminal of the input/output powered extension unit consume the external 24V
DC. Include the current in the calculation of current consumption.
When the terminal is connected with an external power supply, the current is not included in the calculation
of current consumption.
Содержание FX2-16E series
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