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M800VW/M80VW Series Connection and Setup Manual
4 General Specifications
4.10 Remote I/O Unit
[Outline of digital signal input circuit]
Follow the wiring diagram below.
<Input circuit>
0V common
SDI
External duplication contact
SX0A
Input resistance
|
SX3A
SX0B
|
SX3B
COMA+
COMB+
Stabilized
SDO
power supply
24VDC(+)
IO24VA
0V
IO0VA
FG
Stabilized
power supply
24VDC(+)
IO24VB
0V
IO0VB
FG
<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
Control
(*)
Input
resistance
(*)
Control
T1
T4
circuit
circuit
For DX654
18 V or more, 25.2 V or less
3 mA or more
3.8 V or less
0.7 mA or less
5 kΩ
3 ms
40 ms or more (*1)
3 to 16 ms
30 V or more, 16 mA or more
117
For DX654-1
9 mA or more
4.0 V or less
1.5 mA or less
2.2 kΩ
IB-1501612-C
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