Allen-Bradley 1790D-T8BV8B CompactBlock LDX I/O Base Module

Allen-Bradley CompactBlock LDX I/O Module Overview

Core Technical Specifications

• Brand & Model: Manufacturer: Allen-Bradley | Model: 1790D-T8BV8B
• Product Line & Type: CompactBlock LDX Series, Base Module.
• Voltage Rating: 24 Volts DC nominal.
• I/O Configuration: 8 universal inputs and 8 sourcing outputs.
• Communication Network: Integrated DeviceNet interface.
• Isolation Voltage: 1250 Volts AC RMS (I/O to logic).
• Weight: 0.31 lbs (0.14 kg).

Input Specifications & Performance

• Input Type: 8 points, non-isolated, sinking or sourcing.
• On-State Voltage Range: 9.6V DC (Min) to 28.8V DC (Max).
• Nominal Voltage: 24V DC.
• Maximum On-State Current: 8 mA per point at 28.8V DC.
• Maximum Off-State Voltage: 5V DC.
• Input Impedance: 4.8 kiloohms nominal.
• Diagnostics: Individual green LED status indicator for each input.

Output Specifications & Performance

• Output Type: 8 points, non-isolated, sourcing.
• On-State Voltage Range: 10V DC (Min) to 28.8V DC (Max).
• Maximum Voltage Drop: 0.5V DC when on.
• Current Rating: 0.5 A maximum per output point.
• Common Rating: 4.0 A maximum per common group.
• Signal Delay: Off to On: 0.5 ms max; On to Off: 1.0 ms max.
• Diagnostics: Individual green LED status indicator for each output.

Electrical & Environmental Ratings

• Field Power Supply: 24V DC nominal, 10 to 28.8V DC range.
• Power Dissipation: 6 mA @ 28.8V DC per I/O point.
• DeviceNet Power: 24V DC nominal, 11 to 28.8V DC range.
• Isolation: Photocoupler isolation between I/O and logic (1250V AC RMS).
• Wiring: Terminal block with M3.0 screws (max torque: 7 lb-in).

Frequently Asked Questions (FAQ)

• Q: Is this module new and authentic Allen-Bradley?
  A: Yes, we supply only 100% new, original Allen-Bradley 1790D-T8BV8B modules.
• Q: How many input and output points does it have?
  A: It provides 8 inputs and 8 sourcing outputs.
• Q: What is the operating voltage?
  A: The module operates on a nominal 24V DC supply, with a range of 10-28.8V DC.
• Q: What communication network does it use?
  A: It features an integrated DeviceNet interface for network connectivity.
• Q: What is your shipping and return policy?
  A: In-stock items ship within 5 business days. We offer a 30-day return policy for unused products.

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