Allen-Bradley 1790D-T16BV16B | Digital I/O Module

Product Overview: Allen-Bradley 1790D-T16BV16B Digital I/O Module

Key Technical Specifications and Features

• Brand & Model: This industrial I/O module is manufactured by Allen-Bradley with part number 1790D-T16BV16B.
• I/O Configuration: It features 16 universal inputs and 16 sourcing outputs for comprehensive device control.
• High-Speed Operation: The module offers fast response with output switching delays of 0.5 ms (Off to On) and 1.0 ms (On to Off) maximum.
• Robust Current Rating: Each output can handle 0.5 A maximum, with a total of 4.0 A per common.
• Flexible Input Design: The 16 input points are non-isolated and support both sinking or sourcing configurations.
• Clear Diagnostics: 32 green status LEDs (16 for input, 16 for output) provide instant visual feedback for easy troubleshooting.
• Electrical Protection: It features photocoupler isolation (1250V AC RMS) between I/O and logic circuits for enhanced safety.
• Wide Voltage Range: The module operates with a field power range from 10V to 28.8V DC, ensuring compatibility.

Detailed Operating Parameters

• Input Specifications: On-state input voltage is 24V DC nominal (9.6V min, 28.8V max). Maximum on-state current is 8 mA per point.
• Output Specifications: On-state output voltage is 24V DC nominal (10V min). Maximum voltage drop is 0.5V DC.
• Power Requirements: The DeviceNet interface requires 24V DC nominal (11V to 28.8V range). Peak power dissipation is 1.2 W max.
• Environmental Ratings: It operates in temperatures from 0 to 55°C (32 to 131°F) and humidity from 5 to 90% non-condensing.
• Mechanical Robustness: The module withstands vibrations up to 5g at 10-500 Hz and operates at altitudes up to 2000 meters.
• ESD Immunity: It offers high protection against electrostatic discharge with 8 kV air discharge immunity (IEC 61000-4-2).
• Connection & Wiring: It uses a terminal block with M3.0 screws (7 lb-in max torque). Use copper or copper-clad conductors.

Frequently Asked Questions (FAQ)

• Q: Is this a brand new, original Allen-Bradley product?
  A: Yes, we supply only 100% new and genuine Allen-Bradley modules direct from authorized sources.
• Q: How many devices can I connect to this module?
  A: The 1790D-T16BV16B provides 16 digital inputs and 16 digital outputs, connecting up to 32 field device points.
• Q: Are the inputs sourcing or sinking?
  A: The 16 inputs are universal, meaning they can be configured as either sinking or sourcing based on your wiring.
• Q: What is the maximum output current per point?
  A: Each of the 16 sourcing outputs can handle a maximum of 0.5 Amps.
• Q: Is this module in stock for immediate shipment?
  A: Yes, we maintain stock of the 1790D-T16BV16B for fast order fulfillment.
• Q: What is your standard shipping time?
  A: Orders are processed and shipped within 5 business days after payment clearance.
• Q: Can I mount this module in a harsh environment?
  A: It has an open-style enclosure rating. It must be installed inside a protective control cabinet, not directly exposed.
• Q: Does it support diagnostic indicators?
  A: Yes, it has 32 status LEDs (16 green input + 16 green output) for quick visual diagnostics.

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