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-S51 Analog Input Module is a high-performance module designed for the CENTUM VP distributed control system. It allows precise acquisition of analog signals from various field instruments, providing reliable and accurate data for process control and monitoring. The module supports a wide range of input types, including voltage and current signals, and ensures seamless integration with other Yokogawa automation components.
Product Advantages
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High accuracy and stability for analog signal acquisition
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Supports multiple input types (voltage and current)
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Easy integration with CENTUM VP system
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Enhanced noise immunity and signal isolation
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Reliable operation in harsh industrial environments
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Compact size for space-efficient installations
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Simplifies system maintenance and reduces downtime
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Type | Voltage: ±10 V, 0–10 V, 1–5 V |
| Current: 4–20 mA | |
| Number of Channels | 8 channels |
| Accuracy | ±0.1% of full scale |
| Conversion Method | Sigma-Delta ADC |
| Sampling Rate | 20 Hz per channel |
| Response Time | 50 ms (typical) |
| Power Supply | 24 V DC |
| Power Consumption | 2.5 W |
| Operating Temperature | 0–55 °C |
| Storage Temperature | -20–70 °C |
| Humidity | 5–95% RH, non-condensing |
| Dimensions | 130 × 107.5 × 32.8 mm |
| Weight | 0.2 kg |
| Communication Interface | Field control network compatible |
Applications
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Process monitoring and control in chemical plants, refineries, and power plants
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Data acquisition from field instruments such as transmitters, sensors, and analyzers
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Continuous measurement of pressure, temperature, flow, and level
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Integration in centralized control systems for advanced process automation
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Industrial automation requiring high-accuracy analog inputs
FAQ
1. What types of analog signals does the NFAI135-S51 support?
It supports both voltage (±10 V, 0–10 V, 1–5 V) and current (4–20 mA) input signals.
2. Can multiple input types be used simultaneously?
Yes, each channel can be configured independently for voltage or current input.
3. What is the typical accuracy of the module?
The module provides ±0.1% of full-scale accuracy.
4. How is channel isolation implemented?
It offers 1500 V AC isolation both channel-to-channel and channel-to-system.
5. What is the maximum sampling rate per channel?
Each channel can be sampled at 20 Hz.
6. How does the module handle noisy industrial environments?
It uses robust signal conditioning and isolation to minimize noise effects.
7. Is the module compatible with the CENTUM VP system?
Yes, it is fully compatible and designed to integrate seamlessly with CENTUM VP.
8. What is the response time for signal measurement?
The typical response time is 50 ms per channel.
9. How is the module powered?
It requires a 24 V DC power supply with 2.5 W power consumption.
10. Can the module support remote calibration?
Yes, it allows remote calibration through the host control system software.
Related or Same-Series Models
| Model | Description |
|---|---|
| NFAI130-S51 | 4-channel analog input module |
| NFAI131-S51 | 8-channel analog input module with extended range |
| NFAI132-S51 | High-speed analog input module |
| NFAI133-S51 | Redundant analog input module |
| NFAI134-S51 | Multi-range analog input module |
| NFAI136-S51 | Temperature-specific analog input module |
Popular Models from Yokogawa
| Model | Description |
|---|---|
| NFBM100-S51 | Digital output module |
| NFDR541-P50 | Relay module |
| NFLC121-S00 | Serial communication module |
| NFLR121-SE0 | Remote serial communication module |
| NFSB100-S51 | Bus repeat module |
| NFDA4S-00 | 4-channel analog input module |
