Filter
Top Products
16 Input/Output Extension Blocks
246
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
16.1 Outline
16.1 Outline
Connect input/output extension blocks to the PLC to add more input/output points. 8 or 16 points can be
added by an input/output extension block.
Since the power is supplied from the main unit, it is not necessary to prepare another power supply unit for
each input/output extension block.
16.1.1 Product configuration
There are various types of input/output extension blocks. Select optimum blocks considering the input type,
output type, and connection unit of your system.
16.1.2 Product list
1. For input/output extension
:Sink [-common], :Source [+common]
*1. Four inputs and four outputs are occupied as unused numbers.
2. For input extension
:Sink [-common], :Source [+common]
Model
Input Output
Connection
type
Type
Number
of points
Common
system
Type
Number
of points
Common
system
Common to both sink and source inputs
FX2N-8ER-ES/UL 24V DC
4(8)
*1
Relay
4(8)
*1
- Terminal block
Dedicated to sink input only
FX2N-8ER 24V DC
4(8)
*1
Relay
4(8)
*1
- Terminal block
Model
Input Output
Connection
type
Type
Number
of points
Common
system
Type
Number
of points
Common
system
Common to both sink and source inputs
FX2N-8EX-ES/UL 24V DC 8 - - - Terminal block
FX2N-16EX-ES/UL 24V DC 16 - - - Terminal block
Dedicated to sink input only
FX2N-8EX 24V DC 8 - - - Terminal block
FX2N-16EX 24V DC 16 - - - Terminal block
FX2N-16EX-C 24V DC 16 - - - Connector
FX
2N-16EXL-C 5V DC 16 - - - Connector
100V AC input type
FX
2N-8EX-UA1/UL 100V AC 8 - - - - Terminal block
Input/output extension blocks
Input type
24V DC
(Sink, source)
Power supply
Power supply to
inside of PLC
Number of points
8
24V DC
(Sink)
100V AC system
5V DC
Connection unit
Terminal block
Connector
Output type
Relay
Triac
Transistor
(Source)
Transistor
(Sink)
16
Sink Source
Sink Source
Sink
Sink Source
Sink Source
Sink Source
Sink
Sink
Sink
Sink