Allen-Bradley 1746-NT4 | SLC500 Analog Input Module

Overview

The 1746-NT4 is a high-resolution 4-channel analog input module designed for industrial SLC500 systems. It acquires precise signals from thermocouple and millivolt sensors.

Electrical Specifications

• Inputs: 4 thermocouple/mV channels

• Backplane Current Draw: 55 mA at 24V, 0.06 mA at 5VDC, 0.04 mA at 24VDC

• Absolute Input Voltage Range: -20 to +20 V

• Absolute Input Current Range: -30 to +30 mA

• Voltage Rating: 20 to 10 VDC, 1 LSB

• Overvoltage Protection: 7.5 VAC RMS

Isolation and Safety

• Channels: Backplane isolated for minimal interference

• Backplane Isolation Voltage: 500 VDC

• Enclosure Type: Open

Communication & Integration

• Protocols: ControlNet, DeviceNet, Universal Remote I/O

• Supports seamless integration into diverse industrial networks

• Optimized backplane current draw reduces energy consumption and improves efficiency

Design & Performance

• Rugged construction withstands harsh industrial environments

• Backplane isolation ensures reliable operation in complex systems

• Compact and efficient design facilitates easy integration with existing control architecture

• Robust protection safeguards module from electrical surges and maintains system uptime

Applications

• Process control and automation systems requiring precise analog measurement

• Industrial monitoring, signal acquisition, and sensor integration

• Suitable for both discrete and continuous process monitoring