Rules Of System Configuration - Mitsubishi FX3U-?*MR/ES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardware Edition
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/
Number of input/output points on whole system
1. Number of input/output points (including input/output occupied points)
• Expansion board
• Special adapter
Remote I/O station
2. Number of remote I/O points
Remote I/O station
*1. The maximum number of remote input/output points varies depending on the network type.
For details, refer to the following.
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
Special
Special adapter
adapter
(communication)
(analog)
Up to 4 units
Up to 2 units
Input/output
extension block
*2. When an expansion board other than FX
*3. When an expansion board other than the FX
unit can be connected.
*4. When the total number of expansion boards used other than the FX
special adapters is 2, no unit can be connected.
Input/output
extension
Main unit
unit/block
CC-Link/LT
Remote I/O station Remote I/O station
Up to 256 points
CC-Link or AS-i system
Remote I/O station Remote I/O station
→ When CC-Link master is used, refer to Subsection 6.3.2.
Special adapter (up to 10 units
Special adapter
Special adapter
(high-speed output)
(CF card)
*3 *4
Only 1 unit Up to 2 units
Special function unit/block (up to 8 units)
Input/output
Special function
powered
unit
extension unit
3U
6 Examination of System Configuration
Up to 384 points
Special
CC-Link/LT
function
master
unit/block
Remote I/O station
*1
Remote I/O station
→ When AS-i master is used, refer to Subsection 6.3.3.
*2
)
Special adapter
(high-speed input)
Only 2 unit
Special function
block
-CNV-BD is used, up to 9 adapters can be connected.
-CNV-BD or a CF card special adapter is used, only 1
3U
-CNV-BD and/or communication
3U
6.2 Rules of System Configuration
Output Points".
Up to 256 points
CC-Link master
or AS-i master
Extension Cable)".
Expansion
Main unit
board
Only 1 unit
1
2
3
4
5
6
7
8
9
10
91