Mitsubishi Electric MELSEC-F FX3G Series User Manual page 79

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
4
Calculate the total number of input/output points.
Total the number of points counted in Steps 1, 2 and 3, and check that it does not exceed 128
points (maximum number of input/output points).
Maximum number of
input/output points
128 points
Maximum number of
points controllable on
system
(A) : Number of input/output points of main unit
(B) : Number of input/output points of input/
output powered extension units
(C) : Number of input/output points of input/
output extension blocks
5
When CC-Link or AnyWireASLINK master is used, count the remote I/O
points.
When a CC-Link or AnyWireASLINK master is used, the total number of input/output points (128
points or less) of the remote I/O stations connected on the network and the number of input/output
points calculated in the previous step must be 256 or less.
For details, refer to the following subsection.
1. FX -16CCL-M, FX
3U
Calculate the number of remote I/O points connected on the network in the following step.
2. FX3U-128ASL-M (AnyWireASLINK master)
Calculate the number of remote I/O points connected on the network in the following step.
6.3 Number of Input/Output Points and Maximum Number of Input/Output Points
Number of input/output points
(A) + (B)
+ (D)
Total number of input/output points of input/
output powered extension units and input/output
extension blocks
(D) : Number of remote I/O points of FX
(E) : Number of special function blocks
-16CCL-M (CC-Link master)
2N
→ When a CC-Link master is used, refer to Subsection 6.3.2
→ When an AnyWireASLINK master is used, refer to Subsection 6.3.3
6 Examination of System Configuration
Number of input/output occupied
+ (C) (E)
+
Each special function unit/block
used for FROM/TO instructions
occupies eight input or output
points.
-64CL-M
2N
1
2
points
units
8 points
3
4
5
6
7
8
9
10
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