Description
Allen-Bradley 1746-NO4I Analog Output Module
The Allen-Bradley 1746-NO4I delivers precise current control for your SLC 500 system. This 4-channel analog output module provides reliable 0-20mA signals for controlling valves, drives, and other industrial devices. With excellent resolution and fast response, it ensures accurate process control in demanding applications.
Key Technical Specifications
- Brand & Manufacturer: Allen-Bradley / Rockwell Automation
- Model: 1746-NO4I (SLC 500 Series)
- Module Type: Analog Output Module
- Number of Outputs: 4 current output channels
- Output Range: 0 to +20mA standard
- Overrange Capability: 5% (0 to +21mA)
- Resolution: 14-bit (16,384 counts)
- Update Time: 512 microseconds (all channels)
- Step Response: 2.5 milliseconds (95%)
- Load Range: 0 to 500 ohms
- Maximum Load Reactance: 100 μH
- Backplane Current: 55mA @ 5V DC, 195mA @ 24V DC
- Power Supply: 24V DC ±10% (21.6-26.4V DC)
- Isolation: 500V DC (field to backplane)
- Operating Temperature: 0° to 60° C (32° to 140° F)
- Storage Temperature: -40° to 85° C (-40° to 185° F)
- Humidity Range: 5 to 95% non-condensing
- Conversion Method: R-2R Ladder
Package Contents
- One (1) 1746-NO4I analog output module
- Removable terminal block
- Installation documentation
- All necessary mounting hardware
Shipping Options
- Fast worldwide shipping via FedEx
- Reliable delivery through UPS
- International shipping with DHL
- Professional packaging ensures safe delivery
Warranty Coverage
- 12-month warranty included
- Comprehensive coverage for defects
- Quick technical support response
- Simple warranty claim process
Frequently Asked Questions
- Q: What types of devices can I control with this module?
A: The 1746-NO4I controls valves, variable frequency drives, and any device accepting 0-20mA control signals. - Q: When should I use external power instead of backplane power?
A: Use external power when the SLC power supply cannot provide sufficient current for all modules. - Q: What is the advantage of 14-bit resolution?
A: 14-bit resolution provides 16,384 output levels for precise control of analog devices. - Q: Can I use this module for PID control applications?
A: Yes, this module works perfectly as the control output for PID loops in process applications. - Q: What cable type do you recommend for installation?
A: We recommend shielded cable like Belden 8761 to minimize electrical noise interference.
Download User Manual
- Complete installation instructions available
- Detailed wiring diagrams included
- Configuration and programming guidance
- Download here: SLC 500 Hardware Manual
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