15 Input/Output Powered Extension Units
15.1 Outline
190
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
15.1 Outline
An input/output powered extension unit is used to expand inputs/outputs.
Power can be supplied to subsequent extension blocks from an input/output powered extension unit with a
built-in 24V DC power supply.
An input/output powered extension unit is required when the capacity of the main unit’s built-in power supply
is insufficient for the current consumption demands of the extension blocks.
15.1.1 Product configuration
There are various types of input/output powered extension units. They differ in supply voltage, number of
input/output points, input form, output form and connection type.
15.1.2 Product list
Each model of input/output powered extension unit has a sink and source type and a sink type. If you intend
to add input/output powered extension units, we recommend you to add the same types of units as the main
unit or the sink and source type.
:Sink [-common], :Source [+common]
Model
Input Output
Connection
type
Type
Number
of points
Common wiring
system
Type
Number
of points
Common wiring
system
AC power supply common to 24V DC sink and source input
FX2N-32ER-ES/UL
24V DC
16
Relay
16 -
Terminal
block
FX2N-48ER-ES/UL 24 24 -
FX2N-32ET-ESS/UL 16
Transistor
16
FX2N-48ET-ESS/UL 24 24
AC power supply only for 24V DC sink input
FX
2N-32ER
24V DC
16
Relay
16 -
Terminal
block
FX
2N-48ER 24 24 -
FX2N-32ES 16 Triac(SSR) 16 -
FX2N-32ET 16
Transistor
16
FX2N-48ET 24 24
AC power supply only for 100V AC
FX2N-48ER-UA1/UL 100V AC 24 - Relay 24 -
Terminal
block
24V DC
(sink)
Input/output powered extension units
Input form
24V DC
(sink/source)
Power supply
100 to 240V AC
Number of points
32
100V AC
48
Output form
Relay
Triac
Transistor (sink)
Transistor
(source)
Connection type
Terminal block
Sink Source
Sink Source
Sink Source
Sink Source Source
Sink Source Source
Sink
Sink
Sink
Sink Sink
Sink Sink
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