FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
296
16 FX2N-8/16E*-*(Input/Output Extension Blocks)
16.4 FX2N-8EX-ES/UL, FX2N-16EX-ES/UL (24V DC Sink/Source Input)
16.4 FX2N-8EX-ES/UL, FX2N-16EX-ES/UL (24V DC Sink/Source Input)
16.4.1 Product specifications
The generic specifications are identical to the main unit specifications.
→ Refer to Section 4.1 for generic specifications.
For external wiring, refer to the following chapter.
→ Refer to Chapter 10 for input wiring.
1. Power supply specifications
2. Weight and Other specifications
3. Input specifications (common to both sink and source inputs)
Item FX2N-8EX-ES/UL FX2N-16EX-ES/UL
Product type FX2N extension block
Rated voltage 24V DC (supplied from main unit and input/output powered extension unit)
Item FX2N-8EX-ES/UL FX2N-16EX-ES/UL
MASS (Weight) 0.2 kg (0.44lbs) 0.3 kg (0.66lbs)
Other
• The extension cable is already connected to the extension block.
• Accessories: Label for indication of input/output number
• The DIN46277 rail (width: 35 mm (1.38")) or direct installation.
Item FX2N-8EX-ES/UL FX2N-16EX-ES/UL
Input points 8 points 16 points
Connection unit
Vertical terminal block (M3 screws) / For a detailed description of wiring, refer to
the input line connection diagram of the main unit.
Input type sink/source
Input signal voltage 24V DC ± 10%
Input signal current 5 mA/24V DC
Input impedance 4.3kΩ
Input sensitivity
current
Input-ON
current
3.5 mA or more at 24V DC
Input-OFF
current
1.5 mA or less
Input response time Approx. 10 ms
Input signal type
Sink input: No-voltage contact input, NPN open collector transistor
Source input: No-voltage contact input, PNP open collector transistor
Input circuit insulation Photocoupler insulation
Indication of input operation LED on panel lights when input.
Input circuit diagram
X
S/S
Source input line
connection
4.3k
Ω
X
S/S
4.3k
Ω
Sink input line
connection
Main unit
24V
S/S
0V
Main unit
24V
S/S
0V