Mitsubishi Electric MELSEC iQ-F Series - Cyclic Transmission

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2 Replacement from FX3G to FX5S
2.3 Selection of Substitute Models
Precautions Regarding the Hardware
Comparison of the FX3G and FX5S and Precautions for Replacement
The following list shows precautions of the hardware. Check details in the manuals of each model when replacing existing
models.
■Differences and precautions regarding the main hardware of the FX3G and FX5S
■External dimension drawing
There are some differences in the external dimensions of the FX3G and FX5S. Be careful when replacing the modules.
•FX3G
Item Difference Precautions
FX3G FX5UJ
Extension of FX2N and FX3U Extension possible Extension not possible 
Input hardware filter
(When the digital filter is 0)
• High-speed counter
• Input interruption function
• Pulse catch function
Approx. 10 ms
X0 to X7 each has a built-in
digital filter. The time can be
changed to 0 to 15 ms with
D8020.
When this is set to 0, X0, X1,
X3, and X4 are 10 s and X2,
X5, X6, and X7 are 50 s.
■FX5S-30M
X0, X1, X3, and X4: 5 s or less
when ON and 5 s or less when
OFF
X2, X5, X6, and X7: 30 s or
less when ON and 50 s or less
when OFF
X10 to X15: 50 s or less when
ON and 150 s or less when
OFF
■FX5S-40M and FX5S-60M
X0, X1, X3, and X4: 5 s or less
when ON and 5 s or less when
OFF
X2, X5, X6, and X7: 30 s or
less when ON and 50 s or less
when OFF
X10 to X17: 50 s or less when
ON and 150 s or less when
OFF
X20 or later: Approx. 10 ms
when ON and approx. 10 ms
when OFF
Noises that were not detected by FX3G may
possibly be captured as an input. Take external
measures against noise, or set an appropriate
input response time parameter.
Input signal current X0 to X7: 7 mA
X10 or later: 5 mA
X0 to X7: 5.1 mA
X10 or later: 4 mA
The input signal current has been lowered, so it
is necessary to check the specification of the
external devices when replacing.
External color: Munsell 0.08GY/7.64/0.81
Top cover: Munsell N1.5
Unit: mm
The terminal block uses M3 terminal screws
35 mm width DIN rail can be installed
Model name W: mm W1: mm Weight: kg
FX3G-14M 90 82 Approx. 0.50
FX3G-24M 90 82 Approx. 0.55
FX3G-40M 130 122 Approx. 0.70
FX3G-60M 175 167 Approx. 0.85
2-
φ
4.5-diam mounting hole
W
86
90
8
W1 (mounting hole pitch)
82 (mounting hole pitch)