Allen-Bradley 1746-NO4V - Analog Output Module

Allen-Bradley 1746-NO4V Analog Voltage Output Module

Product Overview & Core Features

• Brand: Allen-Bradley
• Model: 1746-NO4V
• Series: SLC 500
• Module Type: Analog Output Module
• This module provides four independent voltage output channels.
• It is compatible with both fixed and modular SLC 500 controller hardware.
• The 1746-NO4V is perfect for PID control, signal retransmission, and load sharing.

Detailed Technical Specifications

• Output Channels: 4 non-isolated voltage output channels.
• Output Voltage Range: -10 VDC to +10 VDC.
• Full Scale Output: 10 VDC.
• Load Requirements: Minimum load greater than 1 kOhm.
• Maximum Load Current: 10 mA per channel.
• Maximum Load Reactance: 1 µF.
• Output Coding: -32,768 to +32,764 digital counts.

High-Performance Output & Speed

• Resolution: Effective 14-bit output.
• Update Time: Extremely fast 512 microsecond parallel update for all channels.
• Step Response: 2.5 milliseconds (to 95% of final value).
• Conversion Method: R-2R Ladder Digital-to-Analog Converter (DAC).
• Data Format: 16-bit two's complement binary.

Accuracy & Electrical Ratings

• Backplane Current (5V): 55 mA maximum.
• Backplane Current (24V): 145 mA maximum.
• Power Source: Selectable via SW1 between backplane or external 24V DC supply.
• Isolation: 500V DC (field wiring to backplane).
• Accuracy Drift: Maximum of ±54 ppm/°C of full scale.
• The module is factory calibrated for immediate use.

Frequently Asked Questions (FAQ)

• Q: What is the output signal range of the 1746-NO4V?
  A: The 1746-NO4V provides four -10VDC to +10VDC analog voltage output signals.
• Q: What is the resolution of this analog output module?
  A: It delivers a 14-bit resolution for precise voltage control.
• Q: How fast can it update all four output channels?
  A: All channels update in parallel with a very fast scan time of 512 microseconds.
• Q: Can I use backplane power, or do I need an external supply?
  A: You can choose. Use the SW1 switch to select either the backplane 24V or an external 24V power source.
• Q: What are typical applications for this voltage output module?
  A: Common uses include PID controller output, HMI/SCADA manual control, signal retransmission, and load sharing coordination between controllers.
• Q: What is your return policy?
  A: We offer a 30-day return policy for new, unused products in their original packaging.

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

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