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2 SPECIFICATIONS
2.3 Input Specifications
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2
2.3 Input Specifications
The CPU module input specifications are explained below.
24 V DC Input (sink/source)
The input points in the table below indicate the CPU module terminal points.
Item Specifications
No. of input points FX5U-32M 16 points
FX5U-64M 32 points
FX5U-80M 40 points
Connection type Removable terminal block (M3 screws)
Input type Sink/source
Input signal voltage 24 V DC +20 %, -15%
Input signal current X000 to X017 5.3 mA/24 V DC
X020 and subsequent 4.0 mA/24 V DC
Input impedance X000 to X017 4.3 k
X020 and subsequent 5.6 k
ON input sensitivity
current
X000 to X017 3.5 mA or more
X020 and subsequent 3.0 mA or more
OFF input sensitivity current 1.5 mA or less
Input response
frequency
FX5U-32M X000 to X005 200 kHz
When capturing pulses of a response frequency of 50 to 200 kHz, refer to Page 86 In the case of
capturing high-speed pulses.
FX5U-64M,
FX5U-80M
X000 to X007
FX5U-32M X006 to X017 10 kHz
FX5U-64M,
FX5U-80M
X010 to X017
Pulse waveform Waveform
T1 (pulse width) T2 (rise/fall time)
FX5U-32M X000 to X005 2.5 s or more 1.25 s or less
FX5U-64M,
FX5U-80M
X000 to X007
FX5U-32M X006 to X017 50 s or more 25 s or less
FX5U-64M,
FX5U-80M
X010 to X017
Input response time
(H/W filter delay)
FX5U-32M X000 to X005 ON: 2.5 s or less
OFF: 2.5 s or less
FX5U-64M,
FX5U-80M
X000 to X007
FX5U-32M X006 to X017 ON: 30 s or less
OFF: 50 s or less
FX5U-64M,
FX5U-80M
X010 to X017
FX5U-64
M,
FX5U-80M
X020 and
subsequent
ON: 50 s or less
OFF: 150 s or less
Input response time
(Digital filter setting value)
None, 10 s, 50 s, 0.1 ms, 0.2 ms, 0.4 ms, 0.6 ms, 1 ms, 5 ms, 10 ms (initial values), 20 ms, 70 ms
When using this product in an environment with much noise, set the digital filter.
Input signal format No-voltage contact input
Sink: NPN open collector transistor
Source: PNP open collector transistor
Input circuit insulation Photo-coupler insulation
Indication of input operation LED is lit when input is on
T1 T1
T2 T2