1715-TADOB8DE | Allen-Bradley | Termination Assembly | 8-Channel DO Duplex

Product Description

The Allen-Bradley 1715-TADOB8DE Termination Assembly is engineered for 8-channel digital output duplex configurations, offering reliable signal termination, fuse protection, and stable performance in distributed I/O systems. Its design ensures dependable operation in industrial automation environments where redundancy and precision are critical.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Number: 1715-TADOB8DE

• Product Type: Termination Assembly, 8-Channel DO Duplex

• Fuse Rating: 50 mA per channel

• Screw Torque: 0.5 N·m (0.37 lb·ft)

• Screwdriver Width: Flathead 0.4 × 2.0 mm (0.0156 × 0.0781 in.)

• Backplane Current: 0.5 A per channel at 18–32 VDC

• Field Voltage Slew Rate (Max): 150 V/s

• De-energized Output Voltage Slew Rate (Max): 12 V/ms

• Energized Output Current Slew Rate (Max): 0.9 A/ms

• System Power Dissipation: 3.0 W maximum

• Field Loop Power Dissipation: 0.17 W per loop maximum

• Isolation Voltage: 50 V continuous, basic insulation type (I/O ports to backplane); no isolation between individual I/O ports; type tested at 500 V AC for 60 seconds

• Dimensions (W × H): 8.4 cm × 13.2 cm

• Weight: 0.26 kg

Application Scenarios

• Digital Output Control: Provides reliable termination for duplex digital output signals

• Distributed I/O Systems: Ensures stable performance in redundant configurations

• Industrial Automation: Suitable for manufacturing, process control, and safety-critical environments

FAQ

• Q: What type of fuse protection is included?  A: Each channel is protected with a 50 mA fuse, ensuring fault isolation and reliability.

• Q: Does the assembly provide isolation between channels?  A: No, there is no isolation between individual I/O ports. However, the assembly provides 50 V continuous isolation between I/O ports and the backplane.

• Q: What is the maximum system power dissipation?  A: The system power dissipation is 3.0 W maximum, with 0.17 W per field loop.

• Q: How does this model compare to the 1715-TADIF16?  A: The 1715-TADOB8DE is designed for digital output duplex applications, while the 1715-TADIF16 is intended for analog input duplex configurations.