Product Details
Product Description
The Allen-Bradley 1746-NT4 is a four-channel thermocouple and millivolt analog input module designed for the SLC 500 series. It provides isolated input channels with high-resolution conversion, supporting multiple thermocouple types and low-level millivolt signals for precise temperature and process monitoring.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: SLC 500
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Part Number: 1746-NT4
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Weight: 0.63 lbs (0.28 kg)
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Module Type: Thermocouple/mV Analog Input
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Number of Inputs: 4 isolated channels
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Compatible Thermocouple Types: J, K, T, E, S, R, B, N
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Millivolt Signal Range: ±50 mV, ±100 mV
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Resolution: 16-bit input, 14-bit output
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Update Time: 26 ms to 1.2 s (depending on configuration)
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Step Response: 60 ms input, 2.5 ms output
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Backplane Current Load:
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60 mA @ 5 V DC
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55 mA @ 24 V DC
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Backplane Power Consumption: 0.8 W max (0.3 W @ 5 V DC, 0.5 W @ 24 V DC)
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Open Circuit Detection: Zero, Upscale, Downscale options
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I/O Chassis Location: Any slot except Slot 0
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Operating Temperature: 0–60 °C
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Storage Temperature: -40–85 °C
Features
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Supports multiple thermocouple types for flexible temperature measurement
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High-resolution conversion for accurate analog input processing
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Isolated input channels to reduce interference and improve signal integrity
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Configurable open-circuit detection for diagnostic reliability
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Compact design for integration into SLC 500 chassis
Application Scenarios
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Temperature Monitoring: Ideal for industrial processes requiring precise thermal measurement
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Process Control Systems: Provides accurate analog input for automation and monitoring
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Legacy SLC 500 Installations: Compatible with existing SLC 500 chassis for expansion or replacement
FAQ
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Q: How many input channels does the 1746-NT4 provide? A: Four isolated input channels.
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Q: Which thermocouple types are supported? A: J, K, T, E, S, R, B, and N.
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Q: Can it measure millivolt signals? A: Yes, ±50 mV and ±100 mV ranges are supported.
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Q: Where can the module be installed in the chassis? A: Any slot except Slot 0.
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Q: How does this compare to the 1746-NT8? A: The 1746-NT4 supports 4 channels, while the 1746-NT8 provides 8 channels for higher density applications.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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