3 Introduction of Products
3.1 List of Products and Interpretation of Model Names
30
FX3G Series Programmable Controllers
User's Manual - Hardware Edition 
3.1.3 Input/output extension blocks
The input/output extension block has built-in input or output terminals to add input or output terminals.
Connect the input/output extension block to the main unit or input/output powered extension unit.
*1. Each value inside ( ) indicates the number of occupied points.
Model name
Number of input/output points
Input type Output type Connection form
Total 
number of 
points
Number of 
input 
points
Number of 
output 
points
Input/Output extension type
FX2N-8ER-ES/UL
8(16)
*1
4(8)
*1
4(8)
*1
24V DC(sink/source) Relay Terminal block
FX2N-8ER
8(16)
*1
4(8)
*1
4(8)
*1
24V DC(sink) Relay Terminal block
Input extension type
FX2N-8EX-ES/UL 8 8 - 24V DC(sink/source) - Terminal block
FX2N-8EX 8 8 - 24V DC(sink) - Terminal block
FX2N-8EX-UA1/UL 8 8 - 100V AC - Terminal block
FX2N-16EX-ES/UL 16 16 - 24V DC(sink/source) - Terminal block
FX
2N-16EX 16 16 - 24V DC(sink) - Terminal block
FX2N-16EX-C 16 16 - 24V DC(sink) - Connector
FX2N-16EXL-C 16 16 - 5V DC - Connector
Output extension type
FX2N-8EYR-ES/UL 8 - 8 - Relay Terminal block
FX
2N-8EYT-ESS/UL 8 - 8 - Transistor(source) Terminal block
FX
2N-8EYR 8 - 8 - Relay Terminal block
FX
2N-8EYT 8 - 8 - Transistor(sink) Terminal block
FX2N-8EYT-H 8 - 8 - Transistor(sink) Terminal block
FX2N-16EYR-ES/UL 16 - 16 - Relay Terminal block
FX2N-16EYT-ESS/UL 16 - 16 - Transistor(source) Terminal block
FX2N-16EYR 16 - 16 - Relay Terminal block
FX2N-16EYS 16 - 16 - Triac Terminal block
FX2N-16EYT 16 - 16 - Transistor(sink) Terminal block
FX2N-16EYT-C 16 - 16 - Transistor(sink) Connector
C
FX
2N
E
Classification 1: None: Not compliant with standard
UL: Compliant with standard
Incorporating input or output terminals
Input/output type: Connection on terminal block or with connector
· ER         : 24V DC(sink)input/relay output/terminal block
· ER-ES   : 24V DC(sink/source)input/relay output/terminal block
· X            : 24V DC (sink) input/terminal block
· X-C        : 24V DC (sink) input/connector
· XL-C      : 5V DC input/connector
· X-ES      : 24V DC (sink/source) input/terminal block
· X-UA1    
· YR         : Relay output/terminal block
· YS         : Triac (SSR) output/terminal block
· YT          : Transistor (sink) output/terminal block
· YT-H      : Transistor (sink) output/terminal block
· YT-C      : Transistor (sink) output/connector
: 100V AC input/terminal block
· YR-ES   : Relay output/terminal block
· YT-ESS : Transistor (source) output/terminal block
Series name
Input/output
extension
Total number of input
and output points