240
FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
12 Output Wiring Procedures
12.3 External Wiring of Transistor Output (Sink/Source) Type
5. Response time
The time from when the PLC drives (or shuts down) the photocoupler until the transistor is turned on (or off) is
shown in the following table.
*1. The transistor OFF time is longer under lighter loads.
For example, under a load of 24V DC 40mA, the response time is approx. 0.3ms. When response
performance is required under light loads, provide a dummy resistance as shown to the right to
increase the load current.
- Sink output type - Source output type
6. Output current
The maximum resistance loads for the input/output powered extension units and output extension blocks are
shown in the following table.
The ON voltage of the output transistor is approx. 1.5V.
When driving a semiconductor element, carefully check the input voltage characteristics of the applied
element.
7. Open circuit leakage current
0.1mA or less
Classification Response time Load current
Main unit
Y000 to Y002 5 µs or less
5 to 24V
DC 10mA
or more
When using an instruction related to pulse train
output or positioning, make sure to set the load
current to 10 to 100 mA (5 to 24V DC).
Y003 or more 0.2 ms or less
24V DC 200 mA or more
*1
Input/output powered extension unit
Output extension block
0.2ms or less
24V DC 200 mA
*1
Model Output current Limitation
Main unit
FX3U-16MT-ES(S)
0.5A/point
The total load current of resistance loads per
common terminal should be the following value.
1 point/common: 0.5A or less
4 points/common: 0.8A or less
8 points/common: 1.6A or less
For FX
2N-16EYT-C:
16 points/common: 1.6A or less
For FX2N-8EYT-H:
4 points/common: 2A or less
FX3U-32MT-ES(S)
FX3U-48MT-ES(S)
FX3U-64MT-ES(S)
FX3U-80MT-ES(S)
FX3U-128MT-ES(S)
Input/output powered
extension units
FX2N-32ET-ESS/UL
FX2N-48ET-ESS/UL
FX2N-48ET-DSS
FX2N-32ET
FX2N-48ET
FX2N-48ET-D
Extension block
FX2N-16EYT-ESS/UL
FX2N-8EYT-ESS/UL
FX2N-16EYT
FX2N-8EYT
FX2N-8EYT-H 1A/point
FX2N-16EYT-C 0.3A/point
PLC
Y
COM1
Dummy
resistance
Load
Fuse
PLC
Y
+V0
Dummy
resistance
Load
Fuse
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