Overview
The NFAI143-S50 current input module from Yokogawa delivers precise analog signal acquisition for industrial automation systems.
Moreover, the module integrates seamlessly with CENTUM control systems, ensuring stable and accurate data transmission.
Engineers deploy NFAI143-S50 to monitor 4–20 mA signals across critical process control applications.
In addition, the compact design supports efficient installation within control cabinets and distributed I/O architectures.
Specification
| Parameter | Detailed Specification |
|---|---|
| Model | NFAI143-S50 |
| Manufacturer | Yokogawa |
| Product Type | Current Input Module |
| System Compatibility | CENTUM VP, CENTUM CS, Distributed Control Systems (DCS) |
| Input Signal Type | 4–20 mA DC analog current |
| Number of Input Channels | 16 isolated channels |
| Input Range | 3.6 to 21.6 mA (including over-range handling) |
| Input Impedance | Approx. 250 Ω per channel |
| Resolution | 16-bit A/D conversion |
| Conversion Accuracy | ±0.1% of full scale (typical) |
| Linearity Error | Within ±0.05% of full scale |
| Sampling Rate | Approx. 100 ms per channel group |
| Channel Isolation | Isolated between channels and system backplane |
| Noise Rejection | High common-mode noise rejection capability |
| Power Supply | Supplied via backplane bus |
| Power Consumption | Approx. 6 W (typical operating condition) |
| Heat Dissipation | Low thermal output for cabinet stability |
| Terminal Type | Dedicated terminal block connection |
| Wiring Method | Screw terminal or compression terminal interface |
| Mounting Method | Rack-mounted, plug-in module |
| Dimensions (W × H × D) | Approx. 107 × 130 × 32 mm |
| Weight | Approx. 0.4 kg |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -20°C to 70°C |
| Relative Humidity | 5% to 95% non-condensing |
| Vibration Resistance | 1 mm peak-to-peak (5–16 Hz), 0.5 g (16–150 Hz) |
| Shock Resistance | 10 g, 11 ms half-sine wave |
| EMC Compliance | IEC industrial EMC standards compliant |
| Insulation Resistance | ≥100 MΩ at 500 VDC |
| Dielectric Strength | 1500 VAC for 1 minute |
| Signal Filtering | Built-in digital filtering for stable readings |
| Diagnostics | Self-diagnostic function with error detection and reporting |
FAQ
Q1: Is the product new and original?
A1: Yes, the NFAI143-S50 is brand new and original from Yokogawa.
Q2: Do you have stock available?
A2: Yes, we keep stock for NFAI143-S50, and availability depends on order demand.
Q3: How long does shipping take?
A3: We ship within 3 days to 2 weeks depending on order size and logistics arrangements.
Q4: Which logistics carriers do you use?
A4: We commonly use DHL and other international carriers for fast and reliable delivery.
Q5: What signal types does this module support?
A5: The NFAI143-S50 supports standard 4–20 mA current input signals from industrial transmitters.
Q6: What is your return policy?
A6: We support returns within 30 days if any quality issues occur after delivery.
Emerson Top Products
| Emerson DeltaV | Epro | Ovation/Westinghouse |
| KJ1501X1-BC3 | 9100-00049-03 | 1C31122G01 |
| KJ3202X1-BA1 | A6110 | 1C31125G03 |
| KJ3222X1-BA1 | A6120 | 1C31232G01 |
| KJ3243X1-BA1 | A6125 | 1C31147G01 |
| KJ3002X1-BG1 | A6140 | 1B30035H01 |
| KJ3002X1-BB1 | A6210 | 1B30023H02 |
| KJ3001X1-BB1 | A6220 | 1B30023H01 |
| KJ3002X1-BC1 | A6312 | 1C31132G01 |
| KJ3002X1-BF1 | A6312/06 | 1C31129G03 |
| KJ3001X1-BJ1 | A6312/08 | 5X00119G01 |














Reviews
There are no reviews yet.