Allen-Bradley 1756-IR12 RTD Input Module | 12-Channel

Allen-Bradley 1756-IR12 ControlLogix RTD Module – High-Precision 12-Channel Temperature Input

Technical Specifications

• Brand: Allen-Bradley | Model: 1756-IR12
• Input Type: 3-wire RTD
• Channels: 12 non-isolated
• Measurement Ranges:
  • 1-500Ω (7.7mΩ/bit)
  • 2-1000Ω (15mΩ/bit)
  • 4-2000Ω (30mΩ/bit)
  • 8-4000Ω (60mΩ/bit)
• Scan Time: 50ms minimum
• Accuracy: ±0.1% of range
• Power Consumption: 2.7W max
• Operating Temp: 0°C to 60°C

Advanced Functions

• Smart wire-break detection
• Configurable notch filters (50/60Hz)
• Automatic range selection
• Sensor offset compensation
• Reinforced 250V isolation

Installation & Setup

• Single-slot ControlLogix chassis
• Compatible with 1756-TBCH/TBS6H terminals
• Hot-swappable design
• Electronic/mechanical keying options
• Status LED for quick diagnostics

Certifications & Support

• UL, CE, RoHS compliant
• 12-month warranty
• Global shipping: FedEx/UPS/DHL
• T4 temperature code rated

Expert Questions Answered

• Q: What RTD types are supported?
  A: Platinum, nickel, and copper sensors
• Q: Minimum scan time per channel?
  A: 50ms for full accuracy
• Q: Can I mix different RTD ranges?
  A: Yes – automatic range selection
• Q: Wire break detection response time?
  A> Instantaneous (within scan cycle)
• Q: Maximum cable length?
  A: 100m with proper shielding

Download Technical Documentation

Complete specifications: ControlLogix I/O Modules Technical Manual (PDF)