Yokogawa SNT401-53 Product Documentation

Product Introduction

The Yokogawa SNT401-53 is a high-performance signal conditioner designed for industrial process control and automation applications. This device provides reliable signal conversion, isolation, and transmission for various sensor inputs, ensuring accurate data acquisition and system integration.

The SNT401-53 is part of Yokogawa’s extensive lineup of signal conditioners, known for their durability, precision, and adaptability in harsh industrial environments. It supports multiple input/output configurations, making it suitable for a wide range of process control scenarios.

Product Advantages

1. High Accuracy – Delivers precise signal conversion with minimal error.
2. Isolation – Provides electrical isolation to prevent ground loops and noise interference.
3. Wide Input Range – Compatible with various sensor signals, including thermocouples, RTDs, and DC voltage/current.
4. Robust Construction – Designed for industrial environments with high resistance to electrical noise and vibrations.
5. Easy Configuration – Features user-friendly settings for quick installation and adjustment.
6. Compact Design – Saves space in control panels and DIN rail installations.

Technical Specifications

Applications

• Process control in chemical and petrochemical plants
• Temperature monitoring in power generation facilities
• Signal conditioning in HVAC systems
• Industrial automation and machinery control
• Data acquisition in laboratory and test environments

Compatible Models for Integration

The SNT401-53 can be used alongside the following Yokogawa products:

• YTA320 (Temperature Transmitter)
• YS1000 (Digital Indicator)
• YFGW410 (Field Wireless Gateway)
• YVP110 (Valve Positioner)
• YTMX580 (Multi-input Temperature Transmitter)
• YTA310 (Flange-mounted Temperature Transmitter)

Installation Instructions

1. Mounting – Secure the SNT401-53 onto a standard 35 mm DIN rail inside a control panel.
2. Wiring – Connect input signals, output signals, and power supply according to the terminal diagram.
3. Configuration – Adjust DIP switches or software settings to match the input/output requirements.
4. Testing – Verify signal accuracy using a calibrated meter before full operation.
5. Enclosure – Ensure proper ventilation and protection from dust/moisture if installed in harsh environments.

Recommended Similar Models in the Series

Popular Yokogawa Models (Other Series)

Frequently Asked Questions (FAQ)

Q1: What is the maximum operating temperature for the SNT401-53?
A1: The SNT401-53 operates reliably within a range of -20°C to +60°C.

Q2: Can the SNT401-53 be used with thermocouple inputs?
A2: Yes, it supports various thermocouple types (J, K, R, S, etc.) with configurable settings.

Q3: Does this model require external power?
A3: Yes, it requires a 24 V DC power supply for operation.

Q4: Is the SNT401-53 suitable for hazardous areas?
A4: No, this model is not intrinsically safe. For hazardous environments, consider Yokogawa’s IS-certified variants.

Q5: What is the typical response time of the SNT401-53?
A5: The response time is typically less than 500 ms, depending on the input signal.

Q6: Can multiple SNT401-53 units be mounted side by side?
A6: Yes, the compact DIN rail design allows for high-density installations.