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1790D-T8A0 DeviceNet Base Module Allen-Bradley

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  • Vendor:

    Allen-Bradley

  • Type:

    Input Module

  • Tags Input module

About the Product

Allen-Bradley 1790D-T8A0 8-Point AC Input Module

Key Technical Specifications

  • The module features eight non-isolated input points for 120V AC signals.
  • Each input accepts a wide on-state voltage range from 85V AC to 132V AC, with a nominal 110V AC.
  • The input circuit has an 18 kΩ impedance and draws a maximum of 9 mA current at 132V AC.
  • A fast signal response time ensures efficiency with Off-to-On delays of 10 ms and On-to-Off delays of 30 ms.
  • The off-state input can tolerate up to 45V AC without triggering a false on signal.
  • Photocoupler isolation (1250V AC rms) protects the logic side from the field-side AC power.

General Specifications & Power

  • This DeviceNet base module requires a 24V DC control power supply, operating from 11 to 28.8V DC.
  • The module's internal DC power dissipation remains low at a maximum of 1.2 Watts.
  • The external field power connects directly to a standard 110V AC, 60 Hz supply (range 85-132V AC, 47-63 Hz).
  • Each input channel includes a clear green status LED for visual indication.
  • The wiring uses a convenient terminal block (M3.0 screw) with a maximum torque of 7 lb-in.

Installation & Packaging

  • We recommend using a 1 Amp, 250V normal blow fuse for field power protection.
  • You can wire the module using standard copper or copper-clad aluminum conductors.
  • The 1790D-T8A0 module ships with all necessary components for immediate installation.
  • We pack the product securely to prevent any damage during shipping.
  • We typically dispatch orders using reliable global carriers like FedEx, UPS, or DHL.

Frequently Asked Questions (FAQ)

  • Q: What is the operating voltage range for the AC inputs?
    A: The inputs work reliably from 85V AC (minimum) up to 132V AC (maximum), with 110V AC as nominal.
  • Q: How many input points does the 1790D-T8A0 have?
    A: This base module provides 8 individual non-isolated AC input points.
  • Q: Do you have this DeviceNet module in stock?
    A: Yes, we have this item in stock for quick shipment.
  • Q: How soon can you ship my order?
    A: We process and ship orders within 5 business days after confirmation.
  • Q: What is your return policy?
    A: We support a 30-day return policy for unused items in original packaging.

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Original Source: https://www.nex-auto.com/
Contact: sales@nex-auto.com | Phone: +86 153 9242 9628

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