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Help Center1746-NT4 Allen Bradley SLC500 System Thermocouple/Mv Input Module 1746NT4
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Reliable Temperature Measurement for Your SLC 500 System
As a trusted supplier since 2011, Rossonix Co., Limited offers the 1746-NT4 Allen Bradley SLC500 System Thermocouple/Mv Input Module — a high-performance analog input module designed to deliver precise temperature and millivolt readings. With an annual export value exceeding US$5 million and a global network serving North America, South America, Europe, Oceania, and beyond, we ensure you receive genuine, factory-tested automation components. This module integrates seamlessly into your existing SLC 500 rack, providing reliable data acquisition for process control, HVAC, and industrial monitoring applications. Backed by our ISO9001-certified quality management system, every unit meets rigorous standards for accuracy and durability.
Whether you are upgrading a production line or troubleshooting a legacy system, the 1746-NT4 offers a cost-effective solution with minimal downtime. Let’s explore its key features and technical specifications.
Key Features & Benefits
4 Differential or 8 Single-Ended Inputs – Flexible configuration to match your sensor layout, reducing wiring complexity.
Wide Thermocouple Compatibility – Supports J, K, T, E, R, S, B, and N types, plus ±50 mV range, covering most industrial temperature sensing needs.
16-Bit Resolution – High-precision conversion for fine temperature changes, improving process stability.
Selectable Update Rate – Choose 50 Hz or 60 Hz rejection filtering to minimize noise from power lines.
Cold Junction Compensation – Built-in compensation ensures accurate readings without external references.
Isolation – Input-to-backplane isolation protects your controller from ground loops and spikes.
LED Status Indicators – Quick diagnostic feedback for module health and channel activity.
Compact Design – Single-slot module saves rack space while maintaining full functionality.
Technical Specifications
| Parameter | Value |
|---|---|
| Input Type | Thermocouple (J,K,T,E,R,S,B,N) or ±50mV |
| Number of Channels | 4 differential / 8 single-ended (configurable) |
| Resolution | 16-bit |
| Update Rate | 0.5/1/2/5/10/20/50/100 ms (selectable) |
| Common Mode Rejection | ≥120 dB @ 50/60 Hz |
| Power Consumption | 5V DC, 85 mA typical |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Weight | Approx. 0.23 kg (0.51 lb) |
Why Choose Rossonix for Your 1746-NT4?
With over a decade of experience in industrial automation supply, Rossonix Co., Limited brings you genuine Allen-Bradley modules at competitive prices. Our ISO9001 and ISO9000 certifications reflect our commitment to quality management. We ship from strategic ports in Shenzhen, Hong Kong, and Europe, ensuring fast delivery to major markets worldwide. Our team of 11–50 professionals handles export orders valued at US$5–10 million annually, serving diverse industries from North America to the Middle East.
Every 1746-NT4 module is inspected and tested before shipment. We offer technical support and flexible customization options (e.g., extended warranty, bundled cables) upon request. By choosing Rossonix, you benefit from reliable sourcing, transparent communication, and after-sales service that keeps your operations running smoothly.
Ready to upgrade your SLC 500 system? Contact us today for a quote or volume discount.
Frequently Asked Questions
Q1: Can this module be used with older SLC 500 processors?
Yes, the 1746-NT4 is compatible with all SLC 500 processors (including 5/01 to 5/05). It occupies a single slot in the chassis.
Q2: Does it support both thermocouple types and millivolt inputs simultaneously?
No, each channel must be configured for either thermocouple or millivolt mode. However, different thermocouple types can be mixed within the module.
Q3: What is the maximum cable length for thermocouple sensors?
Typically up to 100 meters (330 ft) for most thermocouples; use shielded twisted pair cables for best noise immunity.
Q4: Is cold junction compensation built-in?
Yes, the module includes automatic cold junction compensation using an internal temperature sensor.
Q5: How do I configure the input range and filter settings?
Configuration is done via RSLogix 500 or similar programming software. The module supports multiple update rates and filter options.
Q6: Can I order this module with a warranty extension?
Yes, we offer optional extended warranty packages. Please contact our sales team for details.
Q7: Do you provide a datasheet or manual?
Absolutely. A PDF datasheet and user manual are available upon request. We also offer technical support for installation.
Q8: What is the typical lead time for this product?
Stock items ship within 1–3 business days from our warehouses in Shenzhen and Hong Kong. For large volumes, please inquire for lead time.
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