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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-IF16K
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Product Model1756-IF16K
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Product ParametersAnalog 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 Size3.5x14.2x14.5cm
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ManufacturerAllen-Bradley
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Weight0.2 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,0…20 mA,limited to 100VA
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Temperature, operating0 °C< Ta < 60 °C (32 °F< Ta < 140 °F)
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Update Time16 ms (all channels)
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Channel Bandwidth10 Hz
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Input Impedance (Voltage)> 1 MΩ
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Input Impedance (Current)249 Ω
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Overvoltage Protection±30 V continuous
Description
The 1756-IF16K is a non-isolated analog voltage/current input module designed for use in the Allen-Bradley ControlLogix system. The 1756-IF16K provides 16 analog input channels that can be configured for single-ended, differential, or high-speed differential wiring methods, offering flexibility for various industrial automation applications.
The 1756-IF16K supports multiple input ranges including ±10V, 0-10V, 0-5V, and 0-20 mA, allowing each channel to be individually configured for current or voltage input signals. The 1756-IF16K features high-resolution 16-bit A/D conversion with resolution of 320 μV/count at ±10.25V, 160 μV/count at 0-10.25V, 80 μV/count at 0-5.125V, and 0.34 μA/count at 0-20.5 mA, ensuring precise measurement accuracy.
The 1756-IF16K supports multiple input ranges including ±10V, 0-10V, 0-5V, and 0-20 mA, allowing each channel to be individually configured for current or voltage input signals. The 1756-IF16K features high-resolution 16-bit A/D conversion with resolution of 320 μV/count at ±10.25V, 160 μV/count at 0-10.25V, 80 μV/count at 0-5.125V, and 0.34 μA/count at 0-20.5 mA, ensuring precise measurement accuracy.
Revisions
Revision Part #
Also known as
Information
Overview
Manuals
Application Notes
Product Applications
Wiring Quick Reference
Features:
- 16-channel analog input module for ControlLogix systems
- Conformal-coated PCB for harsh industrial environments
- Supports 16 single-ended, 8 differential, or 4 high-speed differential input configurations
- Supported ranges: 0–5.125 V, 0–10.25 V, ±10.25 V, and 0–20.5 mA
- 250 VAC reinforced isolation between inputs and backplane
The module supports multiple input configurations, including 16 single-ended inputs, 8 differential inputs, or 4 high-speed differential inputs, providing flexibility for applications with varying signal integrity and performance requirements. Supported input ranges include 0–5.125 V, 0–10.25 V, ±10.25 V, and 0–20.5 mA, allowing direct connection to a wide variety of industrial transmitters and field devices. High-resolution Sigma-Delta analog-to-digital conversion ensures accurate measurement and stable signal processing
The 1756-IF16K 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-IF16K 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.
Channel-to-backplane and channel-to-system isolation is 250 V AC continuous. Channel-to-channel isolation is not provided in single-ended configuration; differential configuration provides channel pairs with common-mode rejection.
The module draws 250 mA at 5.1 VDC and 125 mA at 24 VDC from the ControlLogix backplane, totaling 2.3 W. External 24 VDC field power is required for current loop excitation.
Physical dimensions are 118 mm × 35 mm × 87 mm with a weight of 0.27 kg. The module occupies a single slot in any ControlLogix chassis. Field wiring connects via a removable terminal block (RTB), either 1756-TBCH (cage-clamp) or 1756-TBS6H (spring-clamp), accepting wire sizes from 0.33 to 2.1 mm² (22 to 14 AWG). Hot-swap capability permits module replacement under power without system shutdown. Backplane keying prevents incorrect module insertion.
- Chemical/Petrochemical: Interfaces with intrinsic safety barriers and monitors corrosive gas scrubbers
- Water/Wastewater: Tracks flow meters, pump pressure, and chlorine/pH analyzers
- Oil/Gas: Gathers temperature, pressure, and tank level from field transmitters in coastal/offshore environments
- Food/Beverage/Pharma: Monitors CIP skids, fermentation tanks, and pasteurization temperatures
- Power/Energy: Records turbine vibration, boiler temperatures, and electrical grid telemetry
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.
Current Loop Resistors: The module includes internal 249 Ω current loop resistors between the IN-x and iRTN-x terminals.
Common Signal Grounds: All terminals marked RTN are electrically connected internally.
Unused Channels: If you are using a 1492 pre-wired Interface Module (IFM), keep the corresponding DIP switches in the UP position to tie unused inputs to common and prevent channel floating.
Alternative Names
1756-1F16K
1756IFI6K
I7561FI6K
1756-IFI6K
I756-1FI6K
I756IF16K
17561F16K
I756-IF16K
I756IFI6K
1756IF16K
I756-IFI6K
Technical notes
The 1756-IF16K provides real-time channel sampling with scaling to engineering units, enabling direct conversion of raw input signals into usable process values. The 1756-IF16K includes onboard data alarming capabilities with process alarms and rate alarms, as well as underrange/overrange detection and wire-off detection for comprehensive diagnostic monitoring.
FAQs
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What is the 1756-IF16K ?
+The Allen Bradley 1756-IF16K is a conformal-coated, 16-point high-speed analog input module from the ControlLogix series -
Does the module supply loop power?
+No, the 1756-IF16K does not provide loop excitation power. If you are using a 2-wire transmitter, you must supply an external power source to power the loop. -
Do I need special terminal blocks?
+Yes, field wiring requires either a Removable Terminal Block (RTB) like the 1756-TBCH or 1756-TBSH, or a 1492 Interface Module, which must be ordered separately. -
Why are my current channels reading zero or acting erratically?
+If the channel reads correctly in voltage but not current, you may have a blown internal protection resistor on that specific channel caused by overcurrent. Always test both modes to verify hardware integrity.
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