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- Yokogawa
- NFAR181-S50
- RTD Input Module
- Japan
- 482 (W) × 210 (H) × 220 (D) mm
- 0.6kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Yokogawa NFAR181-S50 – Product Overview & Technical Documentation
1. Product Introduction
The Yokogawa NFAR181-S50 is a 12-channel isolated input module designed for precise temperature measurement in industrial applications. It supports multiple input signal types, including RTD (Pt100), thermocouples (TC), and millivolt (mV) signals. This versatility makes it suitable for various monitoring and control tasks across different industries.
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | NFAR181-S50 |
| Type | Isolated Input Module |
| Input Channels | 12 (isolated per channel) |
| Input Signal Types | – RTD: Pt100 (3-wire) – Thermocouples: Type J, K, E, B, R, S, T – mV: -100 to 150 mV, -20 to 80 mV |
| Accuracy | – RTD: ±0.15°C – TC: ±0.03% FS – mV: ±0.032% FS |
| Measurement Current | 1 mA (RTD) |
| Cold Junction Compensation | Yes (for TC inputs) |
| Burn-out Detection | Configurable for all channels (60 seconds detection time) |
| Input Resistance | ≥2 MΩ (Power ON/OFF) |
| Allowable Input Voltage | ±5 V |
| Temperature Drift | – RTD: ±0.01%/°C – TC/mV: ±30 ppm/°C |
| Withstand Voltage | – Input ↔ System: 1500 V AC for 1 minute – Between Channels: 500 V AC for 1 minute |
| Power Supply | – 5 V DC: Max 450 mA – 24 V DC: Max 400 mA |
| Mounting | DIN rail or panel mount |
| Dimensions (mm) | 482 (W) × 210 (H) × 220 (D) |
| Weight (kg) | 0.6 |
| Operating Temperature | –20°C to +70°C |
| Humidity | 5% to 95% RH (non-condensing) |
3. Applications
The NFAR181-S50 is ideal for applications requiring precise temperature measurement and signal isolation, including:
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Industrial Process Control: Monitoring and controlling temperature in manufacturing processes.
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Energy Sector: Temperature measurement in power plants and energy production facilities.
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Pharmaceutical Industry: Ensuring accurate temperature readings in drug manufacturing processes.
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Oil & Gas: Temperature monitoring in exploration and production operations.
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Environmental Monitoring: Measuring environmental temperature conditions in various settings.
4. Key Advantages
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Versatility: Supports multiple input signal types, allowing for flexible integration into various systems.
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High Accuracy: Provides precise temperature measurements, ensuring reliable data for control and monitoring.
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Isolation: Each channel is electrically isolated, reducing the risk of signal interference and ensuring system stability.
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Cold Junction Compensation: Automatically compensates for temperature variations at connection points, enhancing measurement accuracy.
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Burn-out Detection: Detects sensor failures, alerting operators to potential issues promptly.
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Wide Operating Range: Operates effectively in a broad temperature range, suitable for diverse industrial environments.
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Compact Design: Space-saving dimensions facilitate easy integration into existing systems.
5. Related or Compatible Models
| Model | Description |
|---|---|
| NFAR181-S00 | 12-channel RTD input module with similar specifications |
| NFAR181-S10 | Enhanced version with additional features |
| NFAR181-S20 | 16-channel input module for larger systems |
| NFAR181-S30 | High-precision module with improved accuracy |
| NFAR181-S40 | Module with extended temperature range for specialized applications |
6. Popular Models from the Same Brand
| Model | Function / Type | Approx. Dimensions / Weight |
|---|---|---|
| YS1000 | Compact controller / I/O module | 60×120×110 mm / 0.4 kg |
| YS2000 | High-performance I/O control module | 55×130×115 mm / 0.45 kg |
| F3RP61 | Real-time embedded Linux controller | 80×150×120 mm / 0.6 kg |
| NPC-100 | Network gateway / protocol converter | 100×200×90 mm / 0.8 kg |
| CENTUM VP R6 | Distributed control system platform | 150×200×100 mm / 1.2 kg |
7. FAQ – Frequently Asked Questions
Q1: What types of input signals does the NFAR181-S50 support?
A1: The module supports RTD (Pt100), thermocouple (TC) types J, K, E, B, R, S, T, and millivolt (mV) signals ranging from -100 to 150 mV and -20 to 80 mV.
Q2: How many input channels does the NFAR181-S50 have?
A2: The module has 12 isolated input channels.
Q3: What is the accuracy of the NFAR181-S50?
A3: The accuracy is ±0.15°C for RTD inputs, ±0.03% FS for TC inputs, and ±0.032% FS for mV inputs.
Q4: Does the module provide cold junction compensation?
A4: Yes, cold junction compensation is provided for thermocouple inputs.
Q5: Is burn-out detection available?
A5: Yes, burn-out detection is configurable for all channels with a 60-second detection time.
Q6: What is the power supply requirement for the module?
A6: The module requires a 5 V DC supply with a maximum current draw of 450 mA or a 24 V DC supply with a maximum current draw of 400 mA.
Q7: What are the dimensions of the NFAR181-S50?
A7: The dimensions are 482 mm (W) × 210 mm (H) × 220 mm (D).
Q8: What is the operating temperature range for the NFAR181-S50 module?
A8: The NFAR181-S50 is designed to operate reliably within an industrial temperature range of –20°C to +70°C, making it suitable for most standard industrial environments.
Q9: How is the isolation implemented in this module?
A9: Each of the 12 input channels is electrically isolated from each other and from the system ground to prevent noise and interference, ensuring signal integrity and system safety.
Q10: Can this module be mounted on a DIN rail?
A10: Yes, the NFAR181-S50 is designed for flexible mounting options including DIN rail and panel mounting to fit various industrial setups.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.