Description
Allen-Bradley 1746-NIO4I Analog Combination Module
The Allen-Bradley 1746-NIO4I combines analog input and output in one compact module for SLC 500 systems. This versatile module features two input and two output channels, offering excellent space savings and flexibility. Perfect for applications requiring both signal acquisition and control output capabilities.
Key Technical Specifications
- Brand & Manufacturer: Allen-Bradley / Rockwell Automation
- Model: 1746-NIO4I (SLC 500 Series)
- Module Type: Analog Combination I/O Module
- Input Channels: 2 differential (voltage or current selectable)
- Output Channels: 2 current outputs
- Input Voltage Range: -10 to +10V DC
- Input Current Range: -20 to +20mA (-30 to +30mA maximum)
- Output Current Range: 0-20mA (5% over-range capability)
- Input Resolution: 16-bit (65,535 counts)
- Output Resolution: 14-bit (16,384 counts)
- Update Time: 512 microseconds (all channels)
- Accuracy (@60°C): ±0.642% (input), ±0.541% (output)
- Non-linearity: 0.01% (input), 0.05% (output)
- Input Impedance: 760 kΩ (voltage), 250Ω (current)
- Load Capacity: 0-500Ω (current output)
- Backplane Current: 55mA @ 5V DC, 145mA @ 24V DC
- Isolation: 500V tested (field to backplane)
- Operating Temperature: 0° to 60° C (32° to 140° F)
Package Contents
- One (1) 1746-NIO4I analog combination 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: Can I use both voltage and current inputs simultaneously?
A: Yes, the 1746-NIO4I allows independent configuration of each input channel for voltage or current operation. - Q: What is the maximum load for the current outputs?
A: The current outputs can drive loads up to 500Ω while maintaining the 0-20mA signal range. - Q: Can I install this module in remote I/O stations?
A: Yes, but avoid slot 0 which is reserved for communication adapters in remote configurations. - Q: What isolation voltage does this module provide?
A: The module provides 500V tested isolation between field wiring and the backplane. - Q: How does the 14-bit output resolution affect control accuracy?
A: 14-bit resolution provides 16,384 discrete output values for precise control of analog devices.
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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