Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa NFAI135-S01 Analog Input Module is a high-performance input module designed for use in Yokogawa’s CENTUM and ProSafe-RS control systems. It is engineered to acquire precise analog signals from field instruments and convert them into digital data for reliable processing by the control system. The module provides robust performance in demanding industrial automation environments such as power plants, petrochemical facilities, and manufacturing lines.
Product Advantages
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High Accuracy and Stability: Delivers precise signal acquisition with minimal drift and high linearity, suitable for critical process monitoring.
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Wide Input Compatibility: Supports multiple signal formats, including standard 4–20 mA and voltage-type analog signals.
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Advanced Diagnostics: Built-in fault detection and channel diagnostics enhance system reliability and ease of maintenance.
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High Noise Immunity: Designed with strong isolation and filtering to withstand industrial electrical noise and maintain signal integrity.
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Easy Integration: Seamlessly integrates with Yokogawa control systems for straightforward installation and configuration.
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Modular Design: Facilitates easy replacement, upgrading, or system expansion without major reconfiguration.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | NFAI135-S01 |
| Product Type | Analog Input Module |
| Input Channels | 16 isolated analog input channels |
| Input Signal Types | 4–20 mA DC, 1–5 V DC, or configurable voltage/current inputs |
| Communication Interface | Internal system bus |
| Operating Voltage | 24 V DC nominal |
| Power Consumption | 5 W |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | –20°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Dimensions | 130 x 107.5 x 32.8 mm |
| Weight | 0.3 kg |
| Mounting Type | Plug-in module for base unit |
| Certifications | CE, RoHS compliant |
| Compatibility | CENTUM CS 3000, ProSafe-RS, and related Yokogawa systems |
Product Applications
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Petrochemical Plants: For temperature, pressure, and flow signal acquisition from field transmitters.
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Power Generation: Used for monitoring process parameters in boiler and turbine control systems.
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Water Treatment Plants: Acquires sensor data for chemical dosing and flow management.
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Pharmaceutical Production: Ensures accurate measurement in controlled environments.
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Food and Beverage Manufacturing: Enables stable monitoring of process temperatures and pressures.
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Oil and Gas Facilities: For wellhead and pipeline instrumentation monitoring.
Product Advantages in Application
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Provides reliable analog signal acquisition under harsh industrial conditions.
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Reduces maintenance time with fault diagnostics and self-test capabilities.
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Enhances control system performance through fast, accurate, and isolated measurements.
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Supports flexible signal configuration for various process instruments.
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Improves safety and operational efficiency in integrated control systems.
FAQ
Q1: What type of analog signals can the NFAI135-S01 process?
A1: The module supports standard current (4–20 mA) and voltage (1–5 V DC) signal inputs and can be configured for different sensor types.
Q2: How many analog input channels are available on the NFAI135-S01?
A2: The module provides 16 individually isolated analog input channels.
Q3: Does the NFAI135-S01 provide channel-to-channel isolation?
A3: Yes, each channel is optically isolated to prevent signal interference and enhance reliability.
Q4: What is the resolution of the analog input conversion?
A4: The module provides up to 16-bit resolution depending on configuration and system setup.
Q5: Can this module detect open or short circuit conditions on the input channels?
A5: Yes, it includes self-diagnostic functions capable of identifying open-loop and short-circuit conditions.
Q6: Is the NFAI135-S01 hot-swappable within a running system?
A6: Yes, it supports hot-swap capability within Yokogawa’s system architecture to minimize downtime.
Q7: What communication protocol does the NFAI135-S01 use to connect with the control system?
A7: It uses Yokogawa’s proprietary system bus interface to communicate with the controller.
Q8: How does the module ensure noise immunity in high-interference environments?
A8: It incorporates advanced filtering, isolation, and shielding techniques to suppress electrical noise.
Q9: Can the input range be configured per channel?
A9: Yes, each input channel can be independently configured for different ranges and signal types.
Q10: What is the recommended power supply for stable operation?
A10: A 24 V DC regulated power source with low ripple is recommended for optimal performance.
Related or Same-Series Models
| Model | Description |
|---|---|
| NFAI135-S02 | Enhanced version with improved diagnostic features |
| NFAV121-S00 | Analog output module for field signal transmission |
| NFVI161-S01 | Voltage input module supporting wide input ranges |
| NFAI141-S00 | Analog input module with high-speed sampling |
| NFAR181-S00 | Resistance temperature detector (RTD) input module |
| NFAI135-S10 | Customized analog input module with extended signal support |
Popular Yokogawa Models
| Model | Type | Description | Weight | Dimensions (mm) |
|---|---|---|---|---|
| AAI143-S00 | Analog Input Module | 16-channel, high-accuracy input | 0.35 kg | 130 × 107.5 × 32.8 |
| AAP135-S00 | Analog Output Module | Provides high-precision analog outputs | 0.32 kg | 130 × 107.5 × 32.8 |
| ADV151-P00 | Digital Input Module | High-density 32-channel digital input | 0.28 kg | 130 × 107.5 × 32.8 |
| ADO141-S00 | Digital Output Module | Relay-type output interface | 0.31 kg | 130 × 107.5 × 32.8 |
| ANB10D-420 | Communication Interface Unit | Network backbone interface for I/O modules | 0.4 kg | 160 × 110 × 40 |
| AIP504-51 | Net Coupler Module | Used for linking subsystems in Yokogawa networks | 0.29 kg | 130 × 107.5 × 32.8 |
