Mitsubishi Electric FX3U-ENET-ADP - Connection with PLC

3 System Configuration
3.4 Connection with PLC
23
FX3U-ENET-ADP User's Manual
1
Introduction
2
Specification
3
System Configuration
4
Installation
5
Wiring
6
Introduction of Functions
7
Communication Using MC Protocol
8
The Operation of GX Works2
9
Troubleshooting
A
List of Special Devices
3.4 Connection with PLC
The Ethernet adapter connects to a FX3U/FX3UC PLC via a special adapter connector.
Only one Ethernet adapter can be connected to the FX
3U/FX3UC PLC. An expansion board is required to
connect the Ethernet adapter with the FX
3U/FX3UC-32MT-LT(-2) PLCs.
The Ethernet adapter must be connected at the last stage (left end) of adapters for the FX
3U/FX3UC PLC.
1. FX3U/FX3UC-32MT-LT(-2) PLC
2. FX
3UC(D, DS, DSS) PLC
3.5 Assignment of channels
The Ethernet adapter is a communication special adapter for PLCs, and channel numbers (such as CH1 and
CH2) are automatically assigned starting from the adapter nearest the main unit. This channel number is
used in GX Works2.
Only one Ethernet adapter can be connected at the last stage (left end) of adapters. When another
communication expansion board/communication special adapter (including the FX
3U-8AV-BD and FX3U-CF-
ADP) is connected to the FX
3U/FX3UC PLC, "CH2" is assigned to the Ethernet adapter.
The channel number is assigned as shown below.
1. FX3U/FX3UC-32MT-LT(-2) PLC
• When not using other communication expansion board/communication special adapter (CH1)
FX3U-ENET-ADP
Other special
adapters Expansion board
Main unit
FX3U-ENET-ADP
Other special
adapters
Main unit
FX3U , FX 3UC -32MT-LT(-2)
Main unit
CH1
FX 3U -ENET-ADP
Analog
special adapter
Analog
special adapter
FX 3U -CNV-BD