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2 INPUT MODULE SPECIFICATIONS
2.4 QX40 DC Input Module (Positive Common Type)
Specifications
Number of input points
Isolation method
Rated input voltage
Rated input current
Input derating
ON voltage/ON current
OFF voltage/OFF current
Input impedance
OFF to ON
Response
time
ON to OFF
Dielectric withstand voltage
Insulation resistance
Noise immunity
Protection degree
Common terminal arrangement
Number of occupied I/O points
Operation indicator
External connections
Applicable wire size
Applicable crimping terminal
Internal current consumption
(5VDC)
Weight
1: For the setting method, refer to Section 1.3.1.
2 - 4
Type
24VDC (+20/-15%, ripple ratio within 5%)
1ms/5ms/10ms/20ms/70ms or less (configured in PLC parameter)
1ms/5ms/10ms/20ms/70ms or less (configured in PLC parameter)
560VAC rms/3 cycles (altitude 2000m)
10MΩ or more by insulation resistance tester
By noise simulator of 500Vp-p noise voltage, 1
and 25 to 60Hz noise frequency
First transient noise IEC61000-4-4: 1kV
16 points/common (common terminal: TB17)
16 points (I/O assignment is set as a 16-point input module.)
18-point terminal block (M3
0.3 to 0.75mm
R1.25-3 (Sleeved crimping terminals cannot be used.)
External connection
DC input module (Positive common type)
QX40
16 points
Photocoupler
Approx. 4mA
No
19V or higher/3mA or higher
11V or lower/1.7mA or lower
Approx. 5.6kΩ
(Default: 10ms)
(Default: 10ms)
IP2X
ON indication (LED)
6 screws)
2
core (2.8mm OD max.)
50mA (TYP. all points ON)
0.16kg
Terminal block No.
MELSEC-Q
Appearance
QX40
0 1 2 3 4 5 6 7
8 9 A B C D E F
0
1
1
2
1
3
4
5
6
7
s noise width
8
9
A
B
C
D
E
F
-
+
COM
NC
24VDC
4mA
Signal name
TB1
TB2
TB3
TB4
TB5
TB6
TB7
TB8
TB9
TB10
TB11
TB12
TB13
TB14
TB15
TB16
TB17
TB18
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
X00
X01
X02
X03
X04
X05
X06
X07
X08
X09
X0A
X0B
X0C
X0D
X0E
X0F
COM
Vacant
2 - 4
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