Precision 4-Channel Analog Input Module – Allen-Bradley 1746-NI4

Allen-Bradley 1746-NI4 SLC 500 Analog Input Module – Precision 4-Channel

Product Overview

The 1746-NI4 is a versatile analog input module. It works with Allen-Bradley SLC 500 PLCs. This module has four independent channels. Each channel can read voltage or current signals. It offers high 16-bit resolution for accurate measurements. Perfect for industrial monitoring and control tasks.

Detailed Technical Specifications

• Brand: Allen-Bradley
• Model: 1746-NI4
• Series: SLC 500
• Channels: 4 non-isolated differential
• Input Types: ±10V DC or ±20mA
• Resolution: 16 bits
• Update Time: 512 microseconds
• Bandwidth: 10 Hz
• Backplane Current: 25mA @ 5V, 85mA @ 24V
• Non-linearity: 0.01%
• Repeatability: ±1 LSB
• Operating Temperature: 0-60°C

Professional FAQs

• Can I mix voltage and current inputs on one module?
  Yes. Each channel can be independently configured for voltage or current input.
• What is the maximum cable length for sensors?
  Recommended cable lengths are 0.5, 1, 2.5, or 5.0 meters for best performance.
• How do I configure each input channel?
  Use the DIP switches on the module to select voltage or current for each channel.
• Is this module isolated between channels?
  No. The 1746-NI4 features non-isolated differential inputs.
• What is the minimum voltage this module can read?
  The module can accurately measure signals as low as 305 microvolts.