Original New | Allen-Bradley 1746-NO4V Analog Output Module

Description

Allen-Bradley 1746-NO4V: 4-Channel Analog Output Module

Precision Voltage Output Control

The Allen-Bradley 1746-NO4V delivers four analog voltage outputs for your SLC 500 system. It generates precise -10 to +10V DC signals for control devices. This 1746-NO4V module offers fast response and high resolution. It fits in one slot and works with all SLC 500 controllers.

Key Technical Specifications

Brand: Allen-Bradley
Model: 1746-NO4V
Type: 4-Channel Analog Output
Output Range: -10 to +10V DC
Resolution: 14-bit
Update Time: 512 µs (all channels)
Step Response: 2.5 ms (95%)
Max Load Current: 10 mA per channel
Load Reactance: 1 µF maximum
Isolation: 500V DC (field to backplane)
Backplane Power: 5V DC, 55 mA / 24V DC, 145 mA
Accuracy Drift: ±54 ppm/°C
Operating Temp: 0 to 60°C (32 to 140°F)
Wire Size: 14 AWG maximum
Terminals: 2 wires per terminal max
Data Format: 16-bit two’s complement

12 Month Warranty

We guarantee this 1746-NO4V module for one full year. It covers any material or workmanship defects. We provide quick repair or replacement service. We ship worldwide using FedEx, UPS, and DHL.

Download Installation Guide

• Learn correct wiring for voltage output signals.
• Understand power source selection (backplane or external).
• Get programming examples for PID and control applications.
• Find noise reduction and installation best practices.

Download SLC 500 Hardware Manual Here

Important Technical Questions

• What devices can I control with this module?
  It can control motor drives, valve positioners, chart recorders, and any device accepting -10 to +10V signals.
• Can I use backplane power or external power?
  Yes. Use switch SW1 to select between backplane 24V DC or an external 24V DC power source.
• How do I prevent electrical noise issues?
  Install the module away from AC power lines and system power supplies. Use shielded cable and proper grounding.
• What is the maximum wire length?
  Keep wires as short as possible. Maximum load reactance is 1 µF, which limits cable capacitance.
• Can I change outputs quickly?
  Yes. It updates all four outputs every 512 microseconds with a 2.5 millisecond response time.