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The Allen-Bradley 1746-NO4I is a 4-channel analog output module designed for the SLC 500 programmable logic controller platform. This module provides four current-based output channels, specifically engineered for precision control of external industrial devices such as actuators, valves, and variable frequency drives. It is optimized for integration within the 1746 chassis and features high-resolution output capabilities to ensure accurate process regulation.
| Parameter | Specification |
|---|---|
| Product Model | 1746-NO4I |
| Series | SLC 500 |
| Output Channels | 4 |
| Output Current Range | 0 to 20 mA |
| Full Scale Output | 21 mA |
| Overrange Capability | 5% (0 to +21 mA - 1 LSB) |
| Backplane Current (5V) | 55 mA |
| Backplane Current (24V DC) | 195 mA |
| Operating Temperature | 0 to 60 degC |
| Storage Temperature | -40 to 85 degC |
| Field Wiring Isolation | Up to 500V DC |
The 1746-NO4I is a legacy 4-channel analog current output module for the SLC 500 PLC platform, designed to convert digital data into analog current signals for process control.
It provides four current-only output channels with a range of 0 to 20 mA.
The output circuits are designed to handle a load resistance of 0 to 500 ohms.