Overview
The Mitsubishi FX3UC-4AD 4-channel high-speed AD analog quantity acquisition module. Multiple levels of digital filtering, peak holding, over-limit detection. Onboard 5V (PLC backplane): DC 5V, 110mA (internal power supply). Optocoupler isolation. Transformer isolation. Terminal wiring type. Rail-mounted installation.
Specification
| Item | Specification |
|---|---|
| Model | FX3UC-4AD |
| Series | MELSEC-F FX3UC special module |
| Product Type | 4-channel analog input module |
| Applicable CPU | FX3UC, FX3GC (CPU firmware ≥ V1.30) |
| Voltage Input Range | DC -10V～+10V, Input impedance:200kΩ |
| Current Input Range | DC -20mA～+20mA / 4～20mA, Input impedance:250Ω |
| Resolution(Voltage) | 15bit+sign, Min scale:0.32mV |
| Resolution(Current) | 14bit+sign, Min scale:1.25μA |
| Accuracy(25℃±5℃) | ±0.3% FS |
| Accuracy(0~55℃) | ±0.5% FS |
| Conversion Speed | 500μs/ch(no filter);5ms/ch(with digital filter) |
| Power from PLC backplane | DC5V,110mA |
| External power supply | DC24V±10%,80mA |
| Occupied I/O points | 8 points |
| Isolation | Opto-coupler between PLC and analog circuit; transformer isolated for analog power; no isolation between channels |
| Dimension(W×H×D) | 55×90×87mm |
| Weight | Approx.130g |
| Max. quantity per CPU | 8 units |
| Operating temperature | 0~55℃ |
| Certification | CE, EN61131-2 |
FAQ
1.What type of function module is FX3UC-4AD?
The 4-channel analog input AD special function module
2.Which two current input specifications does the FX3UC-4AD support?
Supported. The -20mA～+20mA、4～20mA
3.What are the circuit isolation methods for each part of the FX3UC-4AD?
The The PLC is isolated from the analog circuits by optical couplers. The analog power supply is isolated by an external 24V transformer. There is no isolation between the channels.
4.How many FX3UC-4AD modules can a single FX3UC host machine accommodate at most?
The A single FX3UC host can be equipped with a maximum of 8 FX3UC-4AD boards.
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