Products Description
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Technical Specifications
| Item | Specification |
|---|---|
| Model | NFAI143-H50 |
| Number of Inputs | 16 channels, isolated |
| Input Signal | 4 to 20 mA DC |
| Allowable Input Current | Max. 24 mA |
| Withstanding Voltage | 1500 V AC between input and system (1 min) |
| Overcurrent Protection | Provided |
| Input Resistance | 250 Ω (power ON), ≥500 kΩ (power OFF) |
| Accuracy | ±0.1% of full scale |
| Data Refresh Cycle | 10 ms |
| Input Step Response | 100 ms |
| Temperature Drift | Max. ±0.01% /°C |
| Transmitter Power Supply | 24.0 to 25.5 V (limit 25 mA) |
| 2-wire/4-wire Setting | Configurable per channel via setting pin |
| Power Consumption (5V) | 230 mA |
| Power Consumption (24V) | 540 mA |
| External Connection | Pressure clamp terminal, MIL connector |
| HART Communication | Supported |
| Dimensions | 130 × 107.5 × 32.8 mm |
| Weight | 0.3 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: Does the NFAI143-H50 support HART communication?
A1: Yes, HART protocol is supported.
Q2: Are the input channels isolated?
A2: Yes, it provides 16 isolated input channels.
Q3: What power supply does the module require?
A3: It requires 5V DC (230 mA) and 24V DC (540 mA).
Q4: What is the maximum input current allowed?
A4: The module can accept up to 24 mA input.
Q5: How good is the insulation performance?
A5: It withstands 1500 V AC between input and system for 1 minute.
Q6: Can I connect both 2-wire and 4-wire transmitters?
A6: Yes, both types are supported through per-channel settings.
Q7: Is there overcurrent protection?
A7: Yes, the module includes built-in overcurrent protection.
Q8: What are the external wiring options?
A8: You can use either pressure clamp terminals or MIL connectors.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
