Overview
The Allen-Bradley 1746-NO4I is a four-channel analog output module designed for use with the SLC 500 PLC system. This module outputs a current range of 0 to +20 mA and is suitable for driving modulating devices, controllers, or transmitting signals to multiple devices. With a full-scale output of 21 mA, it offers 14-bit resolution, providing precise control in various industrial applications.
Technical Specifications
- Manufacturer: Rockwell Automation
- Brand: Allen-Bradley
- Part Number/Catalog No.: 1746-NO4I
- Series: SLC 500
- Module Type: Analog Output Module
- Voltage: 24 VDC ±10% (max current: 195 mA)
- Outputs: 4 analog output channels
- Current Output Range: 0 to +20 mA
- Full-Scale Output: 21 mA
- Overrange Capability: 5% (0 to +21 mA)
- Current Output Coding: 0 to +32764
- Resolution: 14 bits
- Backplane Current: 55 mA (5 VDC), 195 mA (24 VDC)
- Step Response: 2.5 milliseconds
- Update Time: 512 µs
- Operating Temperature: 0 to 60°C
- Storage Temperature: -40 to 85°C
- Ambient Humidity: 5 to 95% non-condensing
- Power Supply Voltage: 24 VDC ±10%
- Backplane Isolation: 500 VDC
- Wiring: Use shielded communication cables like Belden 8761 for optimal performance
- Mounting Style: Rack Mount
- Terminal Style: Screw Terminals
- Weight: 0.44 lbs
- Load Range: 0 to 500 ohms (max load reactance 100 µH)
- LED Indicator: Provides module status feedback
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