Allen-Bradley 1771-IR | RTD Input Module

SKU: 1771-IR
  • Manufacturer: Allen-Bradley

  • Product No.: 1771-IR

  • Condition:In stock

  • Product Type: RTD Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1390g

  • Shipping port: Xiamen

  • Warranty: 12 months

Overview

The 1771-IR is a PLC-5 Resistance Temperature Detector (RTD) input module designed for precise temperature measurements. It features six input channels compatible with both Copper and Platinum RTD types.


Key Specifications

  • Input Channels: Six (6) three-wire RTD inputs
  • Data Format: Natural Binary, BDC actual temperature, or Ohm readings
  • Temperature Measurement Range:
    • Platinum sensor: -200 to +870 °C
    • Copper sensor: -200 to +260 °C
  • Resolution: 1.0 °C / 1.0 °F per bit

Performance Metrics

  • Scan Time: 50 ms for six channels
  • AC Signal Delay (Off): 45 (+/- 15) ms
  • DC Signal Delay (On): 10 ms
  • DC Signal Delay (Off): 50 ms
  • Voltage Range: 100 Ohms (platinum), 10 Ohms (other)
  • Backplane Current: 800 mA

Physical Characteristics

  • Mounting: Rack mountable
  • Power Requirements: No external power needed
  • Current Draw: 950 mA at 5VDC
  • Power Dissipation: 4.75 Watts
  • Thermal Dissipation: 16.2 BTU/hr

Compatibility and Installation

  • Compatible Controllers: PLC2, PLC3, PLC5
  • Chassis Compatibility: 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B
  • Wiring Arm: 1771-WH

Unique Features

  • Open Wire Detection: Capable of detecting open wire conditions.
  • Life Expectancy: Up to 100 million operations.
  • Indicator Lights: Bright status indicators on the front panel for troubleshooting.
Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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