FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
109
6 Examination of System Configuration
6.5 Expansion of Main Unit (Calculation of Current Consumption)
1
Introduction
2
Features and
Part Names
3
Product
Introduction
4
Specifications
5
Version and
Peripheral
Devices
6
System
Configuration
7
Input/Output
Nos., Unit Nos.
8
Installation
9
Preparation and
Power Supply
Wiring
10
Input Wiring
3 Enter the specifications for the products to be added.
Enter the data on the special function units/blocks to be connected to the main unit in the following table, and
calculate the current.
→ For data on the number of input/output occupied points and current consumption of each type,
refer to Section 6.8.
* When connecting the FX
3U-1PSU-5V extension power supply unit to a system where the nearest
upstream unit to the FX3U-1PSU-5V is a main unit, also enter the current consumption and number of
occupied I/O points for the input extension blocks (including FX2N-8ER-ES/UL and FX2N-8ER) that are
connected to the FX3U-1PSU- 5V.
Classification
Number of
connected
units
Type
Number of input/
output (occupied)
points [points]
Calculation of current
consumption of built-in power
supply
5V DC power
supply [mA]
Internal 24V
DC [mA]
Enter the
products
connected
to the
main unit.
Expansion board
1FX3U-
− −
Special adapter
10
FX3U-
−
FX3U-
−
FX3U-
−
FX3U-
−
FX3U- −
FX3U-
−
FX3U-
−
FX3U-
−
FX3U-
−
FX3U-
−
Input/output
extension block
*
−
FX2N-
−
FX2N-
−
FX2N-
−
FX2N-
−
FX2N-
−
FX2N- −
FX2N-
−
FX2N-
−
FX2N-
−
FX2N-
−
FX2N-
−
Special function
unit/
block
8
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
FX0N/FX2N/FX3U-
Display module
1FX3U-7DM
− −
Calculate the totals.
2
B
C
D2
E
G
2 -1
2 -2 2 -3
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