The Allen-Bradley 1746SC-IA8I is a digital input module designed for the SLC 500 PLC series. It manages eight isolated digital input channels, ideal for monitoring devices and sensors in industrial systems.

Key Features and Specifications

• Input Type: Digital
• Number of Channels: 8
• Voltage: 100/120VAC/DC
• Isolation: Yes
• Mounting: Rack-mounted
• Application: Monitors device or sensor status in industrial automation systems.

Typical Applications

• Monitoring Limit Switches: Detects when a machine reaches a specific position.
• Monitoring Push Buttons: Activates or deactivates processes based on operator input.
• Monitoring Proximity Sensors: Detects the presence or absence of objects.
• Monitoring Safety Interlocks: Ensures machinery operates safely.

Technical Specifications

• Input Current: Typically a few milliamps per channel.
• Response Time: Registers changes in input state promptly.
• Noise Immunity: Rejects electrical noise to prevent false triggering.
• Operating Temperature Range: Functions reliably within a specified temperature range.
• Dimensions: Provides physical module size details.