M70V Series Connection Manual
2.6 Remote I/O Unit
49
(1) Machine input (DI-L)
(2) Machine input (DI-R)
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
Input conditions
The input signals must be used within the following condition ranges.
(Note)
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.
(E) : External signal, (I) : Internal signal
24V common
0V common
1 Input voltage at external contact ON
6V or less
18V or more, 25.2V or less
2 Input current at external contact ON
9mA or more
3 Input voltage at external contact OFF
20V or more, 25.2V or less
4V or less
4 Input current at external contact OFF
2mA or less
5 Input resistance
Approx. 2.2k
Ω
6 Tolerable chattering time (T1)
3ms
7 Input signal holding time (T2)
40ms or more (Note)
8 input circuit operation delay time (T3
and T4)
3 to 16ms
9 Machine side contact capacity
30V or more, 16mA or more
Connection to 24V common input
Connection to 0V common input
A3,B3
A3,B3
R
0V
FG
COM
0V
FG
COM
R
DI-L / DI-R
2.2k
DI-L / DI-R
2.2k
24VDC(+)
Control
circuit
(Machine side)
Stabilized
power supply
External contact
Input voltage
Input resistor
24VDC(+)
Input voltage
24V common
0V common
Control
circuit
(Machine side)
Stabilized
power supply
External contact
Input resistor
T1
T1
T2
GND
+24V
T4
T3
(E)
(I)
T1
T1
T2
T4
T3
GND
+24V
(E)
(I)
Summary of Contents for M70V Series
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Page 13: ......
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Page 26: ...1 1 System Configuration ...
Page 36: ...11 2 General Specifications ...
Page 110: ...85 3 Installation ...
Page 120: ...95 4 Connection ...
Page 173: ...4 Connection MITSUBISHI CNC 148 ...
Page 174: ...149 付録 Ap 1 章 149 Appendix 1 Cable ...
Page 220: ...195 付録 Ap 2 章 195 Appendix 2 EMC Installation Guidelines ...
Page 232: ...207 付録 Ap 3 章 207 Appendix 3 Restrictions for Lithium Batteries ...
Page 241: ...Appendix 3 Restrictions for Lithium Batteries MITSUBISHI CNC 216 ...
Page 242: ...217 付録 Ap 4 章 217 Appendix 4 Precautions for Compliance to UL c UL Standards ...
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