FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
114
6 Examination of System Configuration
6.9 Example of System Configuration and System Modification
4 Enter the specifications for the products to be added to the input/output pow-
ered extension unit.
*1. The number for FX2N-64CL-M is calculated by adding the number of input/output points at the
connected remote I/O station to 8 points.
5 Calculate the number of input/output points.
Calculate the number of input/output points on the whole system.
1. Calculate the number of input/output points of the main unit and extension devices.
2. Calculate the number of remote I/O points on the network.
Since this system uses CC-Link, calculate the number of the remote I/O stations.
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 power
supply [mA]
Enter the
products
connected to
the Input/
output
powered
extension unit
Special function
unit/block
4
FX
2N-2LC 8 70 0
FX
2N-64CL-M
8+16
*1
190 0
FX
2N-16CCL-M 8 0 0
FX
2N-32CCL 8 130 0
Calculate the totals 48 390 0
E
4-
1
4-
2
4-
3
+
48 points
≤
48 points 48 points
+
32 points
+
256 points
Main unit
Total input/output points
of extension devices
Input/output powered
extension unit
Total input/output points
of extension devices
Number of input/output points
176 points
Calculation result
=
A
OK
Max. number of
input/output points
1-
1
2-
1
3-
1
4-
1
Input/output on network Calculation result
≤
1 station
224 points
Number of CC-Link
remote I/O stations
×
32 points
FX
2N
-16CCL-M: up to 7 stations
=
32 points
B
OK
Max. number of
input/output points
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