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Allen Bradley PLC 5 1771-IC

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1771-IC

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Allen Bradley PLC 5 Digital DC Input Module, 8 Inputs, 42-56 Volts DC Operating Voltage, 74 Miliamperes Backplane Current

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Ships from Raleigh, NC
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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-IC

ManufacturerAllen Bradley
CategoryPLCs
Product LinePLC 5
Part Number1771-IC
Weight0.88 lbs (0.40 kg)
Module TypeDigital DC Input Module
Number of Inputs8 Inputs
Voltage Category10-60 Volts DC, Sink (Source Load)
DC Operating Voltage42-56 Volts
Backplane Current74 Miliamperes
Max DC Off-State Current3.7 Miliamperes
Typical DC Signal Delay (On)15 (+/- 7) ms (Digital Filter)
Typical DC Signal Delay (Off)N/A
Wiring Arm1771-WN
CoatingConformal Coat
Typical AC Signal Delay (Off)20 (+/- 15) ms
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The Allen-Bradley 1771-IC is a digital input module in the 1771 Series of Digital I/O Modules used in the assembly of PLC-5 Systems. It features input filtering that limits and suppresses the effects of voltage transients caused by electrical noise and/or contact bounce. This decreases the occurrence of electrically-related downtime, and doubles or triples product life. Plus, this DC module is shipped in a static-shield bag for protection against electrostatic discharge. The 1771-IC Digital DC Input is a sink-type (source load) module with a 10-60V DC voltage category and total of 8 inputs. It receives power via the 1771 I/O backplane from the power supply and it has a 42-56V DC operating voltage range. It requires a 74mA backplane current load from the supply’s output. Its maximum off-state current is 3.7 mA. Due to input filtering, it has a typical signal delay of 17 (±7) ms when turned on and of 20 (±7) ms when turned off. The 1771-IC Module works with 2 and 3–wire devices including DC proximity switches, limit switches, float switches, pushbuttons, photoelectric sensors, and selector switches. For 3-wire applications, the off-state leakage should not exceed 4mA. It uses wiring arm with catalog number 1771-WA.

Revision Part #Also known as
1771-IC Ser A1771-IC/A, Series A, Rev A
1771-IC Ser B1771-IC/B, Series B, Rev B
1771-IC Ser C1771-IC/C, Series C, Rev C
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