2 Replacement from FX3U to FX5U
2.3 Selection of Substitute Models
23
2
Precautions Regarding the Hardware
Comparison of FX3U and FX5U and Precautions for Replacement
The following list shows precautions of the hardware. Check details in the manuals of each model when replacing.
■Difference and precautions regarding the main hardware of FX3U and FX5U
■External dimension drawing
There is some difference in the external dimension of FX3U and the successor model FX5U. Be careful when replacing the
modules.
•FX3U
Item Difference Precautions
FX3U FX5U
Extension of FX2N and FX3U Extension possible Extension is possible only for
certain modules.
FX5-CNV-BUS is required for
extension.
Connection is not possible for some intelligent
modules of FX3U.
Input hardware filter
(When the digital filter is 0)
• High-speed counter
• Input interruption function
• Pulse catch function
X0 to X5 are 5μs.
X6 to X7 are 50μs.
X10 to X17 are 200μs.
There is no 0 setting. There is no 0 setting, but no setting can be
selected (no filter).
Noises that were not detected by FX3U may
possibly be captured as an input. If necessary,
take measures against external noises.
Input signal current X0 to X5 are 6 mA.
X6 to X7 are 7 mA.
X10 and subsequent are 5 mA.
X0 to X17 are 5.3 mA.
X20 and subsequent are 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
FX3U-16M 130 103 0.60
FX3U-32M 150 123 0.65
FX3U-48M, FX3U-32MR/UA1 182 155 0.85
FX3U-64M 220 193 1.00
FX3U-80M, FX3U-64MR/UA1 285 258 1.20
FX3U-128M 350 323 1.80
2-4.5-diam mounting hole (16M, 32M)
22 W1 (mounting hole pitch)
80 (mounting hole pitch)
90
W
86 (When FX3U-7DM installed: 88.5)
9
4-4.5-diam mounting hole (48M to 128M)
There is no mounting hole * for 16M and 32M.
*
*
To Next Page
Loading...
Need help?
General
