Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley ControlLogix 1756-IF8

Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-IF8

|
Need a Specific Revision?

The 1756-IF8 input module from Allen Bradley's ControlLogix series accommodates various input configurations for robust data handling. Designed to support advanced measurement needs, it functions effectively with different voltage and current inputs.

In Stock
Ships from Raleigh, NC
2 Year DO Supply Warranty
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.
Learn more
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 1756-IF8

ManufacturerAllen Bradley
Product TypeInput Module
Product LineControlLogix
Part Number1756-IF8
UPC612598171798
Weight0.56 lbs (0.26 kg)
Input Options8 single-ended inputs, 4 differential inputs, 2 high-speed differential inputs
Input Current Range0 to 20 mA
Input Voltage Range-10 to 10V, 0 to 10V, or 0 to 5V
Current Draw at 5.1V DC150 mA
Current Draw at 24V DC40 mA
Total Backplane Power1.73 Watts
Power Dissipation1.73 Watts (Voltage Mode), 2.33 Watts (Current Mode)
Input Impedance1 Megaohm (Voltage Mode), 249 Ohms (Current Mode)
Onboard Data AlarmingSupported
Real-Time Channel SamplingSupported
Module Conversion MethodSigma-Delta Method
View as PDF
Request a Repair

The 1756-IF8 from Allen Bradley serves as an input module designed for use in the ControlLogix series. This unit is engineered to offer diverse input configurations, boasting eight single-ended inputs alongside four differential inputs and two high-speed differential inputs. This wide range allows for flexibility in monitoring different types of signals.

For current operations, the module supports a range from 0 to 20 mA, allowing it to interact with many sensor types. In terms of voltage inputs, it can accurately handle values from -10 to 10V, 0 to 10V, or 0 to 5V. Its energy needs are efficient, with a current draw of 150 mA when powered at 5.1V DC and 40 mA at 24V DC, along with a total backplane power requirement totaling 1.73 Watts.

When assessing power dissipation, the module utilizies 1.73 Watts in voltage mode and 2.33 Watts in current mode. The input impedance stands at 1 Megaohm for voltage mode inputs and 249 Ohms for current mode inputs, ensuring compatibility with standard sensors. Additionally, onboard data alarming and real-time channel sampling capabilities enhance its operational utility, while the conversion method utilized is of the Sigma-Delta type, adding to the precision and reliability of signal processing.

Revision Part #Also known as
1756-IF8 Ser A1756-IF8/A, Series A, Rev A
Don't see your particular revision? Contact us now.