Product Overview
The Allen-Bradley 1746-FIO4I is a fast analog combination module from the SLC 500 series by Rockwell Automation. This module combines two differential analog input channels and two analog output channels in a single slot, saving space in control panels. It is designed for applications requiring rapid signal acquisition and precise current output.
Technical Specifications Breakdown
Key parameters for the 1746-FIO4I are listed below for quick reference:
| Feature | Specification |
|---|---|
| Part Number | 1746-FIO4I |
| Brand | Allen-Bradley |
| Series | SLC 500 |
| Module Type | Fast response analog I/O module |
| Inputs | 2 |
| Outputs | 2 |
| Input Signals | 0-10 VDC; 0-20 mA |
| Output Signals | 0-20 mA |
| Resolution | 12 bits in, 14 bits out |
| Conversion Time | 7.5 µs every 512 µs |
| Backplane Current (5 Volts) | 55 milliamps |
| Backplane Current (24 Volts) | 150 milliamps |
Industry Applications
For example, in packaging lines, the 1746-FIO4I captures rapid sensor signals for precise timing. In water treatment, it provides accurate 0-20 mA output for valve positioning.
Installation & Setup Guidance
Mount the 1746-FIO4I into any single slot of a SLC 500 chassis. Use shielded Belden #8761 cable with 14 AWG wire for signal connections. Ensure the backplane provides 55 mA at 5V and 150 mA at 24V. Configure input channels for either 0-10 VDC or 0-20 mA per channel. Output channels are 0-20 mA current only.
Maintenance & Reliability
The module operates in non-condensing humidity of 5-95%. Periodic inspection of connections and LED indicators is recommended. Keep the enclosure clean and free from debris. No internal adjustments are required.
Compatibility & Integration
The 1746-FIO4I is compatible with SLC 500 fixed and modular controllers, including 1747-L20, 1747-L30, and 1747-L40. It can be placed in expansion I/O racks alongside other modules like 1746-IA4, 1746-OB8, and 1746-NO4I.
Selection Guide & Purchasing Advice
When selecting the 1746-FIO4I, consider its fast input characteristics for applications with rapidly changing variables. This module combines input and output functionality, saving rack space. For availability and lifecycle status, contact AutoDCSTech before ordering.
Troubleshooting & Common Issues
If output signals are inaccurate, check wiring for proper shielding and grounding. Verify backplane power supply meets 55 mA at 5V and 150 mA at 24V. If the module does not communicate, ensure it is fully seated in the chassis and the LED indicator is lit.
Availability & Condition at AutoDCSTech
| Part Number | 1746-FIO4I |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
