Allen-Bradley | 1746-OB16/D | SLC500 Discrete DC Output Module

Overview

The 1746-OB16/D from Allen-Bradley is a digital DC output module designed for the SLC500 system. This module features 16 outputs with a nominal operating voltage of 24VDC and supports various applications requiring high current handling.

Key Specifications

• Outputs: 16 DC outputs
• Output Voltage: 24V DC
• Operating Voltage Range: 10-30V DC
• Current per Output: 0.5A @ 30°C, 0.25A @ 55°C
• Current per Module: 4A @ 60°C, 8A @ 30°C
• Backplane Current: 280mA @ 5V
• Heat Dissipation: 7.6 Watts

Performance Details

• Output Delay:
  • ON to OFF: 0.1ms
  • OFF to ON: 1.0ms
• OFF State Leakage Current: 1mA
• Step Response: 60ms in, 2.5ms out

Environmental and Mechanical Ratings

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Humidity: 5% to 95%, non-condensing
• Shock Resistance: 30G operating shock
• Vibration Resistance: 2.5G at 57-200Hz

Certifications

• UL: Listed for Ordinary Locations
• CSA: Certified for Process Control Equipment
• Hazardous Environments: Class I, Division 2

Features

• Voltage Isolation: Tested at 1500V AC
• Current Surge: 3A for 10ms, recurring per second at 30°C