Mitsubishi M80 series Connection And Set Up Manual page 103

M800S/M80 Series Connection and Setup Manual
4 General Specifications
(a) Outline of digital signal input circuit
Both 24V common and 0V common connections are allowed in the digital signal input circuit.
Follow the wiring diagram below for each type.
Input circuit
24V common
External contact
Stabilized
power supply
24VDC(+)
0V
FG
Input conditions
The input signals must be used within the following condition ranges.
1
2
3
4
5
6
7
8
9
(Note)
Connection to 24V common input
(E)
(I)
(Note)
IB-1501269-F
CJ37/CJ39
X200
5kΩ
X25F
DICOM
Input voltage at external contact ON
Input current at external contact ON
Input voltage at external contact OFF
Input current at external contact OFF
Input resistance
Tolerable chattering time (T1)
Input signal holding time (T2)
Input circuit operation delay time
(T3 and T4)
Machine side contact capacity
Input signal holding time: The guide is 40ms or more. The input signal will not be
recognized unless it is held for the ladder processing cycle time or longer.
T2
T1
+24V
GND
T3
(E) : External signal, (I):Internal signal
Set the number of DI points that are simultaneously turned ON to be less than half of the total
points.
If many points are set to be simultaneously turned ON, operation panel I/O unit may be
deteriorated due to the heat.
0V common
External contact
Stabilized
power supply
Control
circuit
24VDC(+)
0V
FG
24V common
6V or less
20.2V or more, 25.2V or less
30V or more, 16mA or more
Connection to 0V common input
(E)
T1 T1
+24V
GND
(I)
T4
66
CJ37/CJ39
X200
5kΩ
X25F
Control
circuit
DICOM
0V common
18V or more, 25.2V or less
3mA or more
3.8V or less
0.7mA or less
5kΩ
3ms
40ms or more (Note)
3 to 16ms
T2
T1
T3 T4