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· Product image is representative; revision or series may vary. Contact us to request a specific version.
We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 1756-IF16
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Product Model1756-IF16
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Spare Model1756IF16 1756-IF16/A
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Product ParametersControlLogix Analog Input Module
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size23.3x18.3x5.3cm
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ManufacturerAllen-Bradley
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Weight0.35 kg
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Backplane5.1V DC, 200 mA max 24V DC, 35 mA max
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Input Voltage Range-10…+10V
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Input Current Range0…20mA Limited to 100VA
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Power consumption2.33 W
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Normal mode noise rejection>80 dB @ 50/60 Hz
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Channel bandwidth15 Hz (-3 dB)
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Offset drift45 µV/°C
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Wire category2 - on signal ports
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Temperature, operating0 °C ≤ Ta ≤ +60 °C (+32 °F ≤ Ta ≤ +140 °F)
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Temperature, nonoperating-40…+85 °C (-40…+185 °F)
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Relative humidity5…95% noncondensing
Description
Allen-Bradley 1756-IF16 is a ControlLogix 16-channel analog input module providing voltage and current signal acquisition for industrial process control and monitoring applications. The module supports 16 single-ended or 8 differential input channels configurable as ±10.25 V DC, 0–10.25 V DC, 0–5.125 V DC, 0–20.5 mV, 0–20.5 mA, 4–20.5 mA, or ±20.5 mA signals.
The 1756-IF16 features 16-bit resolution with 320 µV/bit voltage resolution and 650 nA/bit current resolution. Input impedance is 220 kΩ for voltage inputs and 249 Ω for current inputs. Calibrated accuracy is better than 0.05% of range, with module error of 0.15% for voltage and 0.3% for current. Offset drift is 50 µV/°C (voltage) and 100 nA/°C (current); gain drift is 25 ppm/°C (voltage) and 50 ppm/°C (current).
The module draws 150 mA from the 5.1V DC backplane and 65 mA from the 24V DC backplane, for a total backplane power of 2.33 W. Maximum power dissipation is 4.1 W at 60°C, with thermal dissipation of 13.97 BTU/hr.
The 1756-IF16 features 16-bit resolution with 320 µV/bit voltage resolution and 650 nA/bit current resolution. Input impedance is 220 kΩ for voltage inputs and 249 Ω for current inputs. Calibrated accuracy is better than 0.05% of range, with module error of 0.15% for voltage and 0.3% for current. Offset drift is 50 µV/°C (voltage) and 100 nA/°C (current); gain drift is 25 ppm/°C (voltage) and 50 ppm/°C (current).
The module draws 150 mA from the 5.1V DC backplane and 65 mA from the 24V DC backplane, for a total backplane power of 2.33 W. Maximum power dissipation is 4.1 W at 60°C, with thermal dissipation of 13.97 BTU/hr.
Revisions
Revision Part #
Also known as
Information
Overview
Manuals
Application Notes
Product Applications
Field Wiring Configuration
Features:
- 16 single-ended, 8 differential, or 4 high-speed differential input channels
- Supports ±10 VDC, 0–10 VDC, 0–5 VDC, and 0–20 mA analog signals
- IEEE 32-bit floating-point and 16-bit integer data formats
- Real-time channel sampling and engineering unit scaling
The module accepts both voltage and current input signals, including ±10 VDC, 0–10 VDC, 0–5 VDC, and 0–20 mA ranges. A Sigma-Delta analog-to-digital converter provides high-resolution conversion with excellent noise immunity, making the module suitable for electrically demanding industrial environments where measurement stability is critical.
The 1756-IF16 Allen-Bradley ControlLogix Analog Input Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1756-IF16 ControlLogix Analog Input Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Integrated diagnostics include open-circuit detection, channel status monitoring, calibration support, and module health reporting. Diagnostic information is transmitted through the ControlLogix backplane, allowing maintenance personnel to identify wiring faults, sensor failures, or abnormal operating conditions without interrupting system operation.
The 1756-IF16 installs directly into any slot of a 1756 ControlLogix chassis and communicates over the high-speed backplane. Field wiring is completed using 1756-TBCH or 1756-TBS6H removable terminal blocks, providing secure wiring and simplified module replacement during maintenance. The module is widely used in oil and gas, power generation, chemical processing, water and wastewater treatment, mining, food and beverage, pharmaceutical manufacturing, and general industrial automation for measuring pressure, temperature, flow, level, vibration, and other analog process variables.
- Water/Wastewater: Regulates chemical dosing pump speeds and effluent valve positioning
- Oil/Gas/Petrochemical: Manages pressure loops and controls burner gas-feed systems precisely
- Food/Beverage: Adjusts cooking/mixing temperatures via steam control valves with PID logic
- Power Generation: Drives steam governor actuators and integrates cooling tower fan speed systems
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Single-Ended Mode: Provides 16 independent channels that share a common return. All sensor returns should be tied to the RTN (Return) terminals. For 4-20mA devices, connect the positive transmitter lead to the channel (e.g., IN-0+) and the negative to the corresponding individual return or common RTN.
Differential Mode: Provides 8 channels. Each input requires two terminals (positive and negative) for a single field device, offering higher noise immunity.
Shielding and Grounding: Always use 22–14 AWG shielded twisted-pair wire. Terminate all drain wires to the chassis/earth ground block to avoid electrical noise interference.
Alternative Names
1756-1F16
1756IFI6
I7561FI6
1756-IFI6
I756-1FI6
I756IF16
17561F16
I756-IF16
I756IFI6
1756IF16
I756-IFI6
Technical notes
Isolation voltage is 250V continuous (reinforced insulation type) between input channels and backplane, with no isolation between individual input channels. The module is routinely tested at 1350 V AC for 2 seconds.
Data formats include integer mode (left justified, 2's complement) and IEEE 32-bit floating point, with engineering unit scaling configurable per channel. Sigma-delta conversion ensures high noise immunity. Module scan time is 16 ms minimum in floating point mode and 8 ms minimum in integer mode.
FAQs
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What is the 1756-IF16?
+The Allen-Bradley 1756-IF16 is a 16-channel, high-resolution ControlLogix analog input module designed to process voltage and current signals. -
Can I mix single-ended and differential wiring?
+No, you cannot mix these wiring modes on the same module. The wiring mode is configured as the Communication Format when you first add the module to your I/O tree and cannot be changed without deleting and recreating the module in your project. -
Does the 1756-IF16 provide loop power to field devices?
+No, the module does not provide loop power (excitation power) for analog inputs. If you are using 2-wire transmitters that require loop power, you must wire an external power supply into the loop -
Can I measure 4-20mA current signals natively?
+All analog input modules measure voltage. To measure 4-20mA current inputs, you must route the current loop through a 250 Ω resistor so the module can read the voltage drop across it. The 1756-IF16 has built-in 250 Ω resistors; connecting the instrument to the correct terminal and placing a jumper enables the built-in resistor.
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