Mitsubishi Electronics FX5U ユーザーズマニュアル

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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-64M,
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