Allen-Bradley 1746-NR4 SLC 500 RTD/Resistance Input Module
The Allen-Bradley 1746-NR4 is a high-resolution 4-channel RTD/resistance input module engineered for precision temperature measurement in SLC 500 PLC systems. With advanced signal processing capabilities, it delivers ±0.1°C accuracy across industrial temperature ranges (-200°C to 850°C).
Key Specifications
Brand: Allen-Bradley
Model: 1746-NR4
Series: SLC 500
Input Types: 2/3/4-wire RTDs (Pt100, Pt200, Ni120, Cu10) & Resistance
Channels: 4 isolated inputs
Resolution: 15-bit + sign (0.003°C effective resolution)
Accuracy: ±0.1°C at 0°C (Pt100)
Isolation: 500 VDC channel-to-backplane
Backplane Current: 35 mA @ 5V, 85 mA @ 24V
Designed for harsh industrial environments, the 1746-NR4 features automatic sensor burnout detection and 7.5V AC overvoltage protection. Its DIN rail-mountable design enables seamless integration into control panels while maintaining Class I, Division 2 safety certifications.
Industry Solutions
Ideal for temperature monitoring in:
– Process heating systems
– Industrial ovens & furnaces
– Petrochemical reactors
– Power generation turbines
– HVAC control systems
About Stoker Automation
With 20+ years in industrial automation, Stoker Automation Technology maintains a 5000m² warehouse with 10,000+ PLC/DCS components in stock. We serve global clients in oil & gas, power generation, and manufacturing with same-day shipping from our certified facility.
Service Commitment
All modules include 24-month warranty with lifetime technical support. Our engineers provide real-time configuration assistance via WhatsApp and post-installation diagnostics. Need obsolete or custom solutions? We source rare components within 72 hours.
Contact Automation Experts
WhatsApp: +86 190 6659 1275
Email: abbdcs36@gmail.com
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