Allen-Bradley 1746-INT4 SLC 500 Isolated Thermocouple / Millivolt Analog Input Module

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number/Catalog No.: 1746-INT4
• Series: SLC 500
• Module Type: Isolated Thermocouple / mV Analog Input Module

Key Features:

• Inputs: Four (4) isolated inputs for thermocouple and millivolt signals.
• Thermocouple Types: Supports a wide range of thermocouple sensors including Type C, D, J, K, T, E, R, S, B, and N.
• Cold Junction Compensation: Offers cold junction compensation with an accuracy of ±1.5 °C (34.7 °F) in the temperature range of 0 to 70 °C (32 to 158 °F).
• Open-Circuit Detection: Can detect open circuits in three modes: upscale, downscale, or zero.
• Resolution: 16-bit digital conversion for accurate readings.
• Update Time: 500 milliseconds for fast data retrieval.
• Step Response: 100 milliseconds in, 2.5 milliseconds out, ensuring quick response times for dynamic processes.

Technical Specifications:

• Bandwidth: 8 Hz.
• Thermocouple Linearization: Conforms to IPTS-68 standard, NBS MN-125, NBS MN-161 for precise temperature measurements.
• Millivolt Signal Inputs: Capable of handling millivolt signals ranging from –50 to 50 mV and –100 to 100 mV DC.
• Backplane Current:
  • 110 mA @ 5V DC.
  • 85 mA @ 24V DC.
• Open-Circuit Detection Time: 5 seconds, typical.
• Dimensions: 5.0" x 2.0" x 6.0" (12.7 cm x 5.1 cm x 15.2 cm).
• Weight: 0 lbs 14.1 oz (0.4 kg).