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Allen Bradley PLC 5 1771-IH

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1771-IH

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The 1771-IH input module is an Allen-Bradley PLC 5 and Bulletin 1771 input module. It has 8 input channels and it is designed to be mounted in a rack and it is easy to install with a wiring arm. The 1771-IH input module is a DC-powered module with an operating voltage range of 24 to 48 Volts DC. It operates at 32 to 140 degrees Fahrenheit or 0 to 60 degrees Celsius. The 1771-IH input module has a minimum power dissipation rating of 0.4 Watts and a maximum power dissipation rating of 8.1 Watts.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1771-IH

ManufacturerAllen Bradley
CategoryPLCs
Product LinePLC 5
Part Number1771-IH
GTIN10662468205532
Weight0.94 lbs (0.43 kg)
Module TypeDigital DC Input Module
Number of Inputs8 Inputs
Voltage Category10-60 Volts DC, Sink (Source Load)
DC Operating Voltage24-50 Volts
Backplane Current74 Miliamperes
Max DC Off-State Current0.7 Miliamperes
Typical DC Signal Delay (On)15 (+/- 7) ms
Typical DC Signal Delay (Off)20 (+/- 9) ms
Wiring Arm1771-WA
Model StatusEarlier Model
Typical AC Signal Delay (Off)24 (+/- 10) ms
MountingRack Mountable
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The Allen-Bradley 1771-IH is a digital DC input module. It has 8 inputs available and comes with an input voltage range of 24-50V DC. It has a voltage category of 10-60V DC sink (source load). The nominal input currents of this module are 8.4 mA at 24V DC and 20 mA at 48V DC. This module also has a maximum on-state voltage of 10V DC, a maximum off-state voltage 4.5V DC, and maximum off-state current of 1 mA. It also has a maximum input impedance of 2.5-3K Ω for an on-state and a maximum of 5-6K Ω for an off-state. Eight red status indicators are available with the 1771-IH module. It is rack mountable and has a 1771-WD wiring arm.

Input signal delays are present with this module. In particular, it has low to high and high to low propagation delays of 15 ms with +/- 7 ms each. It has a backplane current of 74 mA at 5V DC +/- 5% and an isolation voltage of 1500V AC RMS. This module has a power dissipation that ranges from a minimum of 0.4 W to a maximum of 8.1 W and a thermal dissipation that ranges from a minimum of 1.3 BTU/hr and a maximum of 27.7 BTU/hr. Its operating temperature is 0-60 ??

Revision Part #Also known as
1771-IH Ser A1771-IH/A, Series A, Rev A
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