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M800VW/M80VW Series Connection and Setup Manual
4 General Specifications
4.11 Laser I/F Unit
[Outline of digital signal input circuit]
Connection to 0 V common only is also allowed in the digital signal input circuit.
Follow the wiring diagram below.
<Input circuit>
Laser oscillator
<Input conditions>
Set the input signal within the range as shown in the conditions below.
1
Input voltage at external contact ON
2
Input current at external contact ON
3
Input voltage at external contact OFF
4
Input current at external contact OFF
5
Input resistance
6
Tolerable chattering time (T1)
7
Input signal holding time (T2)
8
Input circuit operation delay time (T3 and T4)
9
Machine side contact capacity
(*1) Input signal holding time: The guide is 40 ms or more. The input signal is recognized only when its "ON" state is held lon-
ger than the ladder processing cycle time.
Connection to 0 V common input
T2
(E)
T1
+24V
GND
(I)
T3
(E): External signal, (I): Internal signal
IB-1501612-C
CONB
+24V
DI16
3.3k
DI19
0V
18 V or more, 25.2 V or less
5 mA or more
4 V or less
1.2 mA or less
3.3 kΩ
3 ms
40 ms or more (*1)
3 ms to 16 ms
30 V or more, 16 mA or more
T1
T4
Control
circuit
0 V common
146
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