
The Allen Bradley 1746-NIO4V is a 4-channel analog combination I/O module from the SLC 500 series.
Technical Specifications
- Model: 1746-NIO4V
- Series: SLC 500
- Type: 4-Channel Analog Combination I/O Module
- Mounting: Rack-mounted (1 slot width)
- Input Channels: 2 differential, individually selectable for voltage or current
- Output Channels: 2 voltage outputs
- Input Voltage Range: ±10V DC
- Input Current Range: ±20 mA
- Output Voltage Range: ±10V DC
- Input Resolution: 16-bit
- Output Resolution: 14-bit
- Update Time: 512 microseconds for all channels
- Backplane Current: 55 mA @ 5V DC; 115 mA @ 24V DC
- Isolation Voltage: 500V DC (field wiring to backplane)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Relative Humidity: 5% to 95% non-condensing
- Certifications: UL, CSA, CE
- Lifecycle Status: Discontinued
- Manufacturer: Allen Bradley (Rockwell Automation)
Key Features
- Two analog inputs configurable per channel for voltage or current
- Two voltage outputs for precise analog control
- High-resolution 16-bit input and 14-bit output
- Fast update time suitable for real-time monitoring
- LED indicators for channel status monitoring
- Compatible with SLC 500 chassis and processors
Compatible Components & Accessories
- Allen Bradley SLC 500 chassis and processors
- Allen Bradley I/O and communication modules
- RSLogix 500 programming software
- PanelView HMIs and expansion I/O
Industry Applications
- Process control systems
- Temperature and pressure monitoring
- Flow measurement in utilities
- Food and beverage processing
- Pharmaceutical manufacturing
Installation & Maintenance Notes
- Install in a clean, dry panel or cabinet
- Ensure proper alignment in the chassis slot
- Configure each input channel for voltage or current using DIP switches
- Periodically inspect for dust or electrical wear
- Use RSLogix 500 for diagnostics and setup
- Power down before removing or inserting module
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For pricing and availability, please Contact Us or call 1-800-755-2883.
Disclaimer: TCI Supply is not an authorized distributor of Allen Bradley products.
Frequently Asked Questions
What input signal ranges does the 1746-NIO4V support?
The 1746-NIO4V supports input voltage ranges of ±10V DC and input current ranges of ±20 mA, selectable per channel.
How is each input channel configured for voltage or current?
Each input channel is configured using DIP switches located on the module’s circuit board. Setting the switch to ON configures the channel for current input; OFF configures it for voltage input.
What is the resolution of the analog inputs and outputs?
The module provides 16-bit resolution for analog inputs and 14-bit resolution for analog outputs, allowing for precise measurement and control.