FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
42
3 Introduction of Products (Compliant with Overseas Standards)
3.1 List of Products (to be Connected) and Interpretation of Model Names
3.1.3 [C] Input/output extension blocks
The input/output extension block has built-in input or output terminals to add input or output terminals.
 : Compliance with standard or self-declaration  : Not targeted − : Not applicable
*1. Four inputs and four outputs are occupied as unused numbers.
*2. Please consult with Mitsubishi Electric for information on marine standard practices and the
corresponding types of equipment.
→ For more information on CE, UL and cUL, refer to Page 15 or later.
Number of input/output
points
Model name
Input
type
Output
type
Connection
form
CE
UL
cUL
Marine
Total
number
of
points
Number
of input
points
Number
of
output
points
EMC LVD
Input/Output extension type
16
*1
44FX2N-8ER-ES/UL 24V DC Relay Terminal block *2
16
*1
44FX2N-8ER 24V DC Relay Terminal block
− − − −
Input extension type
88-FX2N-8EX-ES/UL 24V DC − Terminal block *2
88-FX2N-8EX 24V DC − Terminal block
− − − −
88-FX2N-8EX-UA1/UL
100V AC
− Terminal block − −  −
16 16 - FX2N-16EX-ES/UL 24V DC − Terminal block *2
16 16 - FX2N-16EX 24V DC − Terminal block
− − − −
16 16 - FX2N-16EX-C 24V DC − Connector
− − − −
16 16 - FX2N-16EXL-C 5V DC − Connector
− − − −
Output extension type
8-8FX2N-8EYR-ES/UL − Relay Terminal block *2
8-8
FX
2N
-8EYR-S-ES/UL
− Relay Terminal block  −
8-8FX2N-8EYT-ESS/UL −
Transistor
(source)
Terminal block *2
8-8FX2N-8EYR − Relay Terminal block
− − − −
8-8FX2N-8EYT −
Transistor
(sink)
Terminal block
− − − −
8-8FX2N-8EYT-H −
Transistor
(sink)
Terminal block
− − − −
16 - 16 FX2N-16EYR-ES/UL − Relay Terminal block *2
16 - 16
FX2N-16EYT-ESS/
UL
−
Transistor
(source)
Terminal block *2
16 - 16 FX
2N-16EYR − Relay Terminal block
− − − −
16 - 16 FX2N-16EYT −
Transistor
(sink)
Terminal block
− − − −
16 - 16 FX2N-16EYT-C −
Transistor
(sink)
Connector
− − − −
16 - 16 FX2N-16EYS − Triac Terminal block −− −
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 : 100V AC input/terminal block
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
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
•
YR-S-ES: Relay output (separate reference terminals (Commons))
terminal block