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Allen Bradley PLC 5 1771-IFE/C

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1771-IFE/C

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The 1771-IFE/C from Allen Bradley functions as an analog input module designed for the PLC 5 series. It provides flexible channel configurations and accommodates various signal modes, including both voltage and current measurements.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-IFE/C

ManufacturerAllen Bradley
Product TypeAnalog Input Module
Product LinePLC 5
Part Number1771-IFE/C
Weight2.06 lbs (0.94 kg)
UPC10612598002211
Channel Setup16 SE or 8 DIFF
Signal ModesVoltage or current
Voltage Ranges±5 V, ±10 V, 0–5 V, 0–10 V
Current Ranges4–20 mA, 0–20 mA, ±20 mA
Resolution12-bit
Accuracy~0.1% FS
Linearity±1 LSB
Repeatability±1 LSB
Voltage Impedance>10 MΩ
Current Burden~250 Ω
Common-mode Limit±14.25 V
Scan Time~13 ms (DIFF) / ~27 ms (SE)
Power Use~0.5–0.75 A; ~2.5 W
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The Allen Bradley 1771-IFE/C is an analog input module designed for integration with the PLC 5 series. Its versatility allows for channel configurations of either 16 single-ended (SE) or 8 differential (DIFF). This module can handle a range of signals in both voltage and current formats.

Users can select from various voltage ranges, including ±5 V, ±10 V, 0–5 V, and 0–10 V, alongside current ranges of 4–20 mA, 0–20 mA, and ±20 mA. A notable feature is its 12-bit resolution, ensuring detailed signal interpretation.

The module maintains high accuracy at around 0.1% FS, with linearity and repeatability both noted at ±1 least significant bit (LSB). It also features a voltage impedance exceeding 10 MΩ, ensuring minimal interference from signal sources. For current input, it has a burden of approximately 250 ohms.

With a common-mode limit of ±14.25 V, the module is capable of robust operation in diverse environments. The scan time is efficient, measured at ~13 ms for differential mode and ~27 ms for single-ended mode. In terms of power requirements, it operates using around 0.5–0.75 A, approximately translating to a power consumption of 2.5 W. Overall, the 1771-IFE/C analog input module is engineered for precision and reliability within the PLC 5 platform.