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16 Input/Output Extension Blocks
254
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
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 chapters.
→ Refer to Chapter 10 for input wiring.
1. Power supply specifications
2. Weight and Other specifications (External dimensions are described later.)
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) 0.2kg (0.44lbs) 0.3kg (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 type Vertical terminal block (M3 screws)
Input form sink/source
Input signal voltage 24V DC 10%
Input signal current 5mA/24V DC
Input impedance
4.3k
ON input
sensitivity current
Input ON current 3.5mA or more at 24V DC
Input OFF current 1.5mA or less
Input response time Approx. 10ms
Input signal form
Sink input: No-voltage contact input, NPN open collector transistor
Source input: No-voltage contact input, PNP open collector transistor
Input circuit insulation Photo-coupler insulation
Indication of input operation LED on panel lights when input.
Input circuit diagram
X
S/S
Source input wiring
4.3k
X
S/S
4.3k
Sink input wiring
Main unit
24V
S/S
0V
Main unit
24V
S/S
0V