Allen-Bradley Analog Combination Module 1746-NIO4V

Allen-Bradley 1746-NIO4V Analog Combination I/O Module

Product Overview & Core Features

• Brand: Allen-Bradley
• Model: 1746-NIO4V
• Series: SLC 500
• Module Type: Analog Combination I/O
• This module provides two configurable inputs and two voltage outputs.
• It is designed for SLC 500 fixed or modular hardware systems.
• The 1746-NIO4V saves crucial space in your control chassis.

Detailed Technical Specifications

• Input Channels: 2 differential, individually selectable channels.
• Input Types: Voltage or current per channel via configuration.
• Voltage Input Range: -10V to +10V DC.
• Current Input Range: -20 mA to +20 mA.
• Output Channels: 2 non-isolated voltage outputs.
• Output Voltage Range: -10V to +10V DC.
• Output Load: Requires a load greater than 1 kOhm.

High-Performance Conversion & Speed

• Input Resolution: High-fidelity 16-bit.
• Output Resolution: Effective 14-bit.
• Update Time: Extremely fast 512 microsecond total scan.
• Input Converter: Uses Delta-Sigma modulation.
• Output Converter: Uses R-2R Ladder DAC method.
• Output Step Response: Quick 2.5 milliseconds (to 95%).

Accuracy & Signal Integrity

• Input Accuracy (Voltage): Approximately ±0.504% of full scale.
• Input Accuracy (Current): Approximately ±0.642% of full scale.
• Output Accuracy: Approximately ±0.384% of full scale (±10V).
• Non-Linearity: Excellent at 0.01% for inputs.
• Repeatability: ±1 LSB for input channels.
• All specs are defined for 0°C to 60°C operation.

Electrical Ratings & Protection

• Backplane Current (5V): 55 mA maximum.
• Backplane Current (24V): 115 mA maximum.
• Isolation: 500V DC tested (field wiring to backplane).
• Overvoltage Protection: Up to 220V AC/DC on inputs.
• Input Impedance (Voltage): 1 MOhm.
• Input Impedance (Current): 250 Ohms.

Frequently Asked Questions (FAQ)

• Q: What is the main difference between the 1746-NIO4V and NIO4I?
  A: The 1746-NIO4V has voltage outputs, while the NIO4I has current outputs.
• Q: Can the input channels handle both signal types at once?
  A: Yes, each of the two input channels can be independently configured for voltage or current.
• Q: What is the output type and range of this module?
  A: It provides two -10V to +10V DC voltage outputs.
• Q: How fast is the module's update time?
  A: It features a very rapid aggregate update time of 512 microseconds for all channels.
• Q: Is this module compatible with Logix platforms?
  A: Yes, it can be used as distributed I/O with CompactLogix and ControlLogix PACs.
• Q: What is your return policy?
  A: We offer a 30-day return window for new, unused products in original packaging.

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

Partner: NexAuto Technology Limited