FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
91
6 Examination of System Configuration
6.2 Rules of System Configuration
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
6.2
Rules of System Configuration
The system configuration must meet the following three requirements.
1
Number of input/output points
The total number of input/output points and remote I/O points on CC-Link or AS-i system must be
384 points or less on the whole system.
→
For details, refer to Section 6.3 "Number of Input/Output Points and Maximum Number of Input/
Output Points".
*1.
The maximum number of remote input/output points varies depending on the network type.
For details, refer to the following.
→
When CC-Link master is used, refer to Subsection 6.3.2.
→
When AS-i master is used, refer to Subsection 6.3.3.
2
Number of connected special extension devices
The numbers of connectable expansion boards, special adapters and special function units/blocks
are shown below.
→
For details, refer to Section 6.4 "Number of Connected Special Extension Devices (Including
Extension Cable)".
*2.
When an expansion board other than FX
3U
-CNV-BD is used, up to 9 adapters can be connected.
*3.
When an expansion board other than the FX
3U
-CNV-BD or a CF card special adapter is used, only 1
unit can be connected.
*4.
When the total number of expansion boards used other than the FX
3U
-CNV-BD and/or communication
special adapters is 2, no unit can be connected.
CC-Link/LT
1. Number of input/output points (including input/output occupied points)
Up to 256 points
Main unit
Input/output
extension
unit/block
Special
function
unit/block
•
Expansion board
•
Special adapter
CC-Link/LT
master
CC-Link master
or AS-i master
CC-Link or AS-i system
2. Number of remote I/O points
Up to 256 points
*1
Remote I/O station
Remote I/O station
Remote I/O station
Remote I/O station
Number of input/output points on whole system
Up to 384 points
Remote I/O station
Remote I/O station
Remote I/O station
Remote I/O station
Input/output
extension block
Input/output
powered
extension unit
Special function
block
Special function
unit
Main unit
Expansion
board
Special adapter
(communication)
Special
adapter
(analog)
Special adapter
(high-speed output)
Special adapter
(CF card)
Only 2 unit
Only 1 unit
Up to 2 units
Only 1 unit
Up to 2 units
*3
*4
Up to 4 units
Special adapter (up to 10 units
*2
)
Special function unit/block (up to 8 units)
Special adapter
(high-speed input)
Summary of Contents for FX2-16E series
Page 2: ......
Page 8: ... 6 Safety Precautions Read these precautions before use MEMO ...
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