Allen-Bradley 1790-T8BV8BX Digital Expansion Module

Allen-Bradley 1790-T8BV8BX Digital Expansion Module

Key Technical Specifications

• Brand & Model: Allen-Bradley 1790-T8BV8BX
• Product Line: CompactBlock LDX Digital Expansion Module
• Input Voltage: 24V DC Nominal (Range: 9.6V - 28.8V DC)
• Output Voltage: 24V DC Nominal (Range: 10V - 28.8V DC)
• Number of I/O Points: 8 Universal Inputs / 8 Digital Outputs
• Output Current Capacity: 0.5A per point, 4.0A per common
• Input Current Consumption: 8 mA max per point
• On/Off-State Voltage: On: 28.8V DC max, Off: 5.0V DC max
• Response Time: Off to On: 0.5 ms max, On to Off: 1.0 ms max
• Isolation Rating: 1250V AC RMS (I/O to logic)
• Connection Interface: D-shell connector with terminal block (M3.0 screw)
• Status Indicators: 16 Green LEDs (8 for inputs, 8 for outputs)
• Power Dissipation: 1.2W max @ 28.8V DC
• Operating Temperature Range: Standard industrial rating (consult datasheet)
• Environmental Tolerance: Designed for typical industrial control panel conditions
• Noise Immunity: Photocoupler isolation provides excellent interference resistance

Frequently Asked Questions (FAQ)

• Q: What type of inputs does this module have?
  A: The module features 8 universal inputs that support both sinking and sourcing configurations at 24V DC.
• Q: What is the maximum current each output can handle?
  A: Each of the 8 digital outputs can handle a maximum current of 0.5 Amps.
• Q: How are the input and output statuses displayed?
  A: The module has 16 green LEDs (8 for inputs, 8 for outputs) for clear status monitoring.
• Q: What is the operating voltage range for the inputs?
  A: The inputs operate reliably within a range from 9.6V DC minimum to 28.8V DC maximum.
• Q: How fast is the module's response time?
  A: The module offers a quick response with a maximum delay of 0.5 ms from Off to On and 1.0 ms from On to Off.
• Q: What connectors does this module use?
  A: It uses a D-shell connector for easy integration with compatible systems and devices.

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