Allen Bradley AB SLC500 Input Module 1746-IA8 /A

Allen-Bradley SLC 500 Input Module 1746-IA8 /A

The Allen-Bradley 1746-IA8 is an 8-point AC input module designed for the SLC 500 series of programmable logic controllers (PLCs). This module facilitates the integration of AC input signals into the PLC system, enabling efficient monitoring and control of industrial processes.

Key Features

• Input Channels: 8 AC input points.
• Voltage Range: Operates within 85 to 132 Volts AC at a frequency of 47 to 63 Hz.
• Backplane Current Consumption: 50 milliamps at 5 Volts DC.
• Signal Delay: Maximum ON delay of 35 milliseconds and OFF delay of 45 milliseconds.
• Off-State Voltage: Maximum of 30 Volts AC.
• Off-State Current: Maximum of 2 milliamps.
• Nominal Input Current: 12 milliamps at 120 Volts AC.
• Isolation Voltage: 500 Volts DC for communication circuits and 1500 Volts AC for the backplane.
• Operating Temperature: 0°C to +60°C (32°F to 140°F).
• Dimensions: 5.0″ x 2.0″ x 6.0″ (12.7 cm x 5.1 cm x 15.2 cm).
• Weight: Approximately 0.23 kg (0.5 lbs).

Applications

The 1746-IA8 module is suitable for various industrial automation applications, including:

• Monitoring the status of AC-powered limit switches, photoelectric sensors, and other AC devices.
• Reading signals from pushbuttons or toggle switches connected to an AC power source.
• Controlling devices based on the state of the AC inputs, such as activating solenoids or relays.

Installation and Compatibility

This module is designed for easy installation into an SLC 500 chassis, occupying a single slot. It connects seamlessly with other modules in the SLC 500 series, allowing for flexible system configurations. The 1746-IA8 is compatible with 1746-HT and 1746-HCA I/O connections, ensuring reliable integration into existing setups.

Certifications

The 1746-IA8 module meets various industry standards and certifications, including:

• CE Marked
• cUL Marked
• UL Marked

These certifications affirm the module’s compliance with safety and performance standards, making it a dependable choice for industrial applications.