Connection Of Di/Do Signal - Mitsubishi Electric MELDAS 60 Series Maintenance Manual

10.3 Connection of DI/DO Signal

(1) MJ2 input circuit specifications
The sink and source input is changed by connecting 24VDC to COM pin or connecting 0V (RG).
There are 64 input points, and the pins X0 to X3F are used for input device numbers.
Source type
(Machine side)
24VDC
Input conditions
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 Tolerable chattering time
6 Input signal holding time
7 Input circuit operation delay time
8 Machine side contact capacity
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10. CONNECTION OF 200mA OUTPUT DI/DO UNIT FCU6-HR378
10.3 Connection of DI/DO Signal
FCU6-HR378
MJ2
2.2kΩ
2.2kΩ
0V(RG)
0V(RG)
0V(RG)
DC24IN
0V(RG)
0V(RG)
Use the input signals within the range of the following conditions.
Input signal holding time: 40ms or more as a guideline. The input signal can only
be confirmed if held longer than the ladder process cycle time.
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Sink type
(Machine side)
0V(RG)
24VDC
Control
0V(RG)
circuit
0V(RG)
0V(RG)
Sink type
6V or less
20V or more, 25.2V or less
3ms or less (Refer to T1 below)
40ms or more (Refer to T2 below)
3ms ≤ T3
30V or more, 16mA or more
<Caution>
I-137
FCU6-HR378
MJ2
2.2kΩ
2.2kΩ
0V(RG)
DC24IN
0V(RG)
Source type
18V or more, 25.2V or less
9mA or more
4V or less
2mA or less
T4 ≤ 16ms
Control
circuit