Allen-Bradley 1746-NIO4I Analog Combination Module

Allen-Bradley 1746-NIO4I Analog Combination I/O Module

Product Overview & Core Features

• Brand: Allen-Bradley
• Model: 1746-NIO4I
• Series: SLC 500
• Module Type: Analog Combination I/O
• This module provides two analog inputs and two analog outputs.
• It is designed for use with fixed or modular SLC 500 hardware.
• The 1746-NIO4I maximizes slot usage in your chassis.

Detailed Technical Specifications

• Input Channels: 2 differential, non-isolated channels.
• Input Types: Selectable as voltage or current per channel.
• Input Voltage Range: -10V to +10V DC.
• Input Current Range: -20 mA to +20 mA.
• Output Channels: 2 current output channels.
• Output Current Range: 0 mA to 20 mA (standard).
• Output Load: Supports loads from 0 to 500 Ohms.

High-Performance Conversion & Speed

• Input Resolution: High-precision 16-bit.
• Output Resolution: Effective 14-bit.
• Update Time: Extremely fast 512 microseconds aggregate.
• Converter Type: Uses Sigma-Delta ADC for inputs.
• Repeatability: Excellent at ±1 LSB for inputs.
• Non-Linearity: Very low at 0.05% for outputs.

Accuracy & Signal Integrity

• The module ensures high common-mode rejection (105 dB at 60 Hz).
• It also provides good normal-mode rejection (55 dB at 60 Hz).
• Input Accuracy (Voltage): Approximately ±0.504%.
• Input Accuracy (Current): Approximately ±0.642%.
• Output Accuracy: Approximately ±0.541%.
• Performance is specified from 0°C to 60°C.

Electrical Ratings & Protection

• Backplane Current (5V): 55 mA maximum.
• Backplane Current (24V): 145 mA maximum.
• Tested Isolation: 500 Volts between field wiring and backplane.
• Overvoltage Protection: Up to 220V AC/DC continuous.
• Input Impedance (Voltage): 760 kOhms.
• Input Impedance (Current): 250 Ohms.

Frequently Asked Questions (FAQ)

• Q: What does "combination module" mean for the 1746-NIO4I?
  A: It means the module has both analog input and output channels in one unit.
• Q: Can the two input channels be configured differently?
  A: Yes, each input channel can be independently set for voltage or current.
• Q: What is the output type of this module?
  A: The 1746-NIO4I provides two current outputs (0-20mA).
• Q: How fast can this module update its I/O data?
  A: It has a very quick aggregate update time of 512 microseconds.
• Q: Do you offer technical support for this product?
  A: We provide basic data. Contact the manufacturer for deep application support.
• Q: What is your return policy?
  A: We offer a 30-day return policy for items in new, unused condition.

Contact Information for Inquiries: sales@nex-auto.com, +86 153 9242 9628

Partner: NexAuto Technology Limited