When Special Extension Devices Are Also Added (Calculation Of Current Consumption) - Mitsubishi FX3U SERIES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardwaer Edition
6.6.2

When special extension devices are also added (calculation of current consumption)

1
Select an input/output powered extension unit.
→ For the data on the number of input/output occupied points and current consumption of each type,
Power
supply Classification
classification
D1
With built-in
Input/output
power supply
3
powered
extension unit
2
Enter the specifications for the products to be added.
Enter the data for the input/output extension blocks and special function units/blocks to be con-
nected to the input/output powered extension unit, and calculate the current.
→ For data on the number of input/output occupied points and current consumption of each type,
Power
supply Classification
classification
D2
Input/output
extension block
Enter the
products
connected to
the input/
output
powered
extension unit
E
Special function
unit/block
4
Calculate the totals
*1. When connecting the FX
the FX -1PSU-5V is input/output powered extension unit, also enter the current consumption and number of
3U
occupied I/O points for the input extension blocks (including FX
to the FX
3U
*2. A maximum of 8 special function units/blocks are connectable, including the main unit and extension power supply
unit.
6.6 Expansion of FX2N Series I/O Powered Extension Unit (Calculation of Current Consumption)
Number of
connected
units
−
FX
Example of entry→ FX
Number of
connected
units
−
*1
*2
8
-1PSU-5V extension power supply unit to a system where the nearest upstream unit to
3U
-1PSU-5V.
Number of
input/output
Type
points
[points]
3-
1
-
2N
-48ER-ES/UL 48
2N
Number of
Type input/output
points [points]
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX -
2N
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
FX FX /FX -
0N/ 2N 3U
4-
1
-8ER-ES/UL and FX
2N
6 Examination of System Configuration
refer to Section 6.8.
Capacity of built-in power
supply
24V DC service
5V DC power
power supply
supply [mA]
[mA]
3-
2
690
refer to Section 6.8.
Calculation of current
consumption of built-in power
supply
5V DC power 24V DC power
supply [mA] supply [mA]
−
−
−
−
−
−
−
−
−
−
−
−
4-
2
-8ER) that are connected
2N
1
2
3
3-
3
460 4
5
6
7
8
9
4-
3
10
97