Overview
FX5U-64MR/ES is a high-end compact PLC of the FX5U series, focusing on high-performance control of small and medium-sized automation scenarios. The “R” in the model number represents relay output. This output mode is universal for AC/DC loads and has strong load capacity (for example, 2A/point), but the switching life and frequency are lower than the transistor output type. It is very suitable for controlling loads such as solenoid valves, contactors, and indicator lights that do not require high-frequency switching.
FAQ:
1.Can the signal type (NPN/PNP) supported by the FX5U-64MR/ES input point be switched through software?
The NPN (adapted sink input) and PNP (adapted source input) signal types corresponding to the FX5U-64MR/ES input point cannot be switched through software, and must be switched by changing the wiring method of the common terminal S/S.
The FX5U-64MR/ES input itself is compatible with both sink and source types, but the whole machine can only use one input type at the same time, and it is impossible to mix NPN and PNP sensors at the same time. Its input specifications clearly indicate that the sink type corresponds to NPN open collector transistor, and the source type corresponds to PNP open collector transistor, which further proves that the corresponding signal type needs to be matched through hardware wiring rather than software settings
2. How to determine whether the input point of FX5U-64MR/ES is sink type or source type?
To determine whether the input point of FX5U-64MR/ES is a sink type (NPN adaptation) or a source type (PNP adaptation), the key point is the common terminal S/S wiring method, which can be quickly confirmed by measuring with a multimeter. The steps are as follows:
Look at the S/S wiring: connect DC24V 0V→sink type (NPN);
connect DC24V +V→source type (PNP);
Multimeter measures current: red pen is connected to the input point (X0), black pen is connected to S/S → there is current → source type;
exchange the test pen and there is current → sink type.
Note: All input points share S/S and can only be of the same type.
3. What is the allowable voltage fluctuation range (±%) of AC100-240V wide-voltage power supply?
The AC100-240V wide-voltage power supply of FX5U-64MR/ES allows the voltage fluctuation range to be approximately **-15%~+10%** after conversion, and the corresponding voltage range is AC85-264V.Lower limit calculation: Based on the lower limit of rated voltage 100V, 100V × (1 – 15%) = 85V;
Upper limit calculation: Based on the rated voltage upper limit of 240V, 240V × (1 + 10%) = 264V.
This fluctuation range is consistent with the same series of FX5U-64MT/ES, which can adapt to common fluctuations in industrial site power grid voltage and ensure stable operation of PLC.
FX5U Similar models:
FX5U-32MR/ES, FX5U-80MR/ES
FX5U-128MR/ES, FX5U-32MT/ES
FX5U-64MT/ES, FX5U-80MT/ES
FX5UC-64MR/D, FX5UC-32MT/D
FX5U-128MT/ES, FX5UC-32MR/D
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