Mitsubishi FX3U-4HSX-ADP - Rules of System Configuration

FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
91
6 Examination of System Configuration
6.2 Rules of System Configuration
1
Introduction
2
Features and Part Names
3
Product Introduction
4
Specifications
5
Version and Peripheral Devices
6
System Configuration
7
Input/Output Nos., Unit Nos.
8
Installation
9
Preparation and Power Supply Wiring
10
Input Wiring
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 FX3U-CNV-BD is used, up to 9 adapters can be connected.
*3. When an expansion board other than the FX3U-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 FX3U-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)