Number Of Connected Extension Devices (Including Extension Cable); Number Of Connectable Expansion Boards And Special Adapters; Input/Output Powered Extension Units; Extension Power Supply Unit - Mitsubishi Electric MELSEC-F FX3G Series User Manual

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
6.4

Number of Connected Extension Devices (Including Extension Cable)

6.4.1

Number of connectable expansion boards and special adapters

The number of connectable expansion boards and special adapters varies depending on the number of points
in the main unit. The connector conversion adapter (FX
• In the case of Main units (40/60 point type)
Use of expansion board
When expansion board is not used
When expansion board is used
*1. Only one FX
*2. Only one FX
• In the case of Main units (14/24 point type)
Use of expansion board
When expansion board is not used
When expansion board is used
6.4.2

Input/output powered extension units

Up to 2 input/output powered extension units can be connected in one system.
6.4.3

Extension Power Supply Unit

Only one extension power supply unit (FX
Available when the main unit is the AC power supply type.
6.4.4

Special function blocks

Up to 8 special function units/blocks can be connected in one system.
When connecting the following products, take into consideration the combination, number of units/blocks and
connecting order.
Type
FX -16CCL
3U
FX -16CCL-M
2N
FX -128ASL-M
3U
FX -64CCL
3U
FX -2AD
2N
FX -2DA
2N
6.4.5

Extension cable

One extension cable can be used in a system.
The FX -CNV-BC is required when the extension block is connected.
2N
• FX -65EC(650mm(25.59"))
0N
• FX -30EC(300mm(11.81"))
0N
76
→ For assignment of communication channels, refer to Section 7.3.
Number of connectable
expansion boards
Communication expansion board
FX -4EX-BD, FX
3G
1 unit
FX -8AV-BD
3G
Analog expansion board
-4EX-BD, FX -2EYT-BD and FX
3G 3G
-ENET-ADP can be connected to a single PLC main unit.
3U
Number of connectable
expansion boards
• Only one FX -16CCL-M unit can be connected to a single PLC main unit.
3U
• This master cannot be used together with FX
• When some units are used, a remote I/O station cannot be connected to the second and following master stations.
• This master cannot be used together with FX
• Only one FX -128ASL-M unit can be connected to a single PLC main unit.
3U
• This master cannot be used together with FX
• Only one FX -64CCL unit can be connected to a single PLC main unit.
3U
When any of these products is connected to a FX
consumption is restricted.
The total current consumption of FX
- FX -32E : 190mA or less
2N
- FX -48E : 300mA or less
2N
6.4 Number of Connected Extension Devices (Including Extension Cable)
-CNV-ADP) is required to connect the special adapter.
3G
Number of connectable special adapters of each type
0
-2EYT-BD,
3G
*1
Cannot be connected.
2 units
-8AV-BD can be connected to a single PLC main unit.
3G
Number of connectable special adapters of each type
Communication
special adapters
0
1 unit Cannot be connected.
-1PSU-5V) unit can be connected to a single PLC main unit.
3U
Limitations
-16CCL-M.
2N
-16CCL-M and FX
3U
-16CCL-M.
2N
Series input/output powered extension unit, the current
2N
-2AD and FX -2DA must be the following value or less.
2N 2N
6 Examination of System Configuration
Communication
special adapters special adapters
*2
2 units
1 unit
*2
2 units
Cannot be connected.
Analog special adapters
1 unit
Cannot be connected.
-128ASL-M.
3U
Analog
2 units
2 units
1 unit
1 unit