• Please try to be as accurate as possible with your search.
  • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
  • We can't find any results for “”.
    SEE MORE
      SEE PRODUCTS IN SEARCH PAGE ()
      sales1@apterpower.com
      +86 181 0690 9650
      Request a

      Fast Quote

      Manufacturers
      ALL MANUFACTURERS
      • Please try to be as accurate as possible with your search.
      • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
      • We can't find any results for “”.
        Manufacturers
        sales1@apterpower.com +86 181 0690 9650
        Choose a manufacturer
        ALL MANUFACTURERS
        Ask our team:
        • Phone: +86 181 0690 9650
        • E-Mail sales1@apterpower.com

        1756-IM16I

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Designed for ControlLogix systems, 1756-IM16I provides 16 individually isolated AC digital inputs supporting 240V AC signals, ensuring reliable signal acquisition in demanding industrial environments. Its configurable filtering and fast response enable accurate monitoring of field devices.
        Get a quick price for 1756-IM16I
        Quantity
        *E-mail
        Company
        *Mobile
        *Content
        Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)
        Get a Quote
        Warranty Policy
        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.
        Return Notice
        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.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        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.

        Technical specifications for 1756-IM16I

        • Manufacturer:
          Allen-Bradley
        • Part Number:
          1756-IM16I
        • Product Family:
          ControlLogix
        • Product Type:
          ControlLogix 16 Point D/I Module
        • Inputs:
          16 individually isolated
        • Voltage category:
          240V AC 50/60 Hz
        • Operating voltage range:
          159…265V AC, 47…63 Hz
        • Input voltage, nom:
          240V AC 50/60 Hz
        • Input delay time (screw to backplane) Off to On:
          Hardware delay: 10 ms max + filter time, User-selectable filter time: 1 ms or 2 ms
        • Input delay time (screw to backplane) Onto Off:
          Hardware delay: 8 ms max + filter time, User-selectable filter time: 9 ms or 18 ms
        • Current draw @ 5.1V:
          100 mA
        • Current draw @ 24V:
          3 mA
        • Total backplane power:
          0.58 W
        • Power dissipation, max:
          5.8 W @ 60 °C (140 °F)
        • Thermal dissipation:
          19.78 BTU/hr
        • Off-state voltage, max:
          40V
        • Off-state current, max:
          2.5 mA
        • On-state current, min:
          5 mA @ 159V AC, 60 Hz
        • On-state current, max:
          13 mA @ 265V AC, 60 Hz
        • Inrush current, max:
          250 mA
        • Input impedance, max:
          20.38 kΩ @ 265V AC, 60 Hz
        • Cyclic update time:
          200 µs…750 ms
        • Change of state:
          Software configurable
        • Time stamp of inputs:
          ±200 µs
        • Isolation voltage:
          250V (continuous), basic insulation type, inputs-to-backplane, and input-to-input
        • Module keying:
          Electronic, software configurable
        • Removable terminal block housing:
          1756-TBCH, 1756-TBS6H
        • RTB keying User-defined mechanical:
          Slot width 1
        • Wire category:
          1 - on signal ports, 1 - on power ports
        • Enclosure type:
          None (open-style)
        • North American temperature code:
          T4
        • Temperature, operating:
          0…60 °C (32…140 °F)
        • Temperature, surrounding air, max:
          60 °C (140 °F)
        • Temperature, nonoperating:
          -40…+85 °C (-40…+185 °F)
        • Relative humidity:
          5…95% noncondensing
        • Vibration:
          2 g @ 10…500 Hz
        • Weight:
          0.25 kg
        • Estimated shipping dimensions:
          3.5x13x14.5cm
        • Tariff Code:
          8708709900
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Use Cases Connectivity Monitoring

        Features:

        • Individually isolated 16-point AC inputs enhance signal reliability and electrical protection
        • Configurable input filtering and fast response improve adaptability in noisy environments
        • Wide voltage handling and robust thermal design ensure stable industrial operation
        1756-IM16I is widely used in industrial automation systems where high-voltage AC signal monitoring is required. In manufacturing lines, power distribution systems, and process control environments, accurate detection of input states is essential for safe and efficient operation. The module’s ability to handle 240V AC signals directly reduces the need for additional signal conditioning hardware.

        Operational flexibility is a defining aspect of 1756-IM16I. With selectable input filtering and configurable change-of-state functionality, the module allows engineers to fine-tune performance according to application requirements. Whether used for monitoring contactors, switches, or other field devices, it delivers consistent and precise signal acquisition.

        In practical deployment, 1756-IM16I supports long-term reliability through strong isolation and environmental tolerance. The combination of controlled power consumption, defined thermal characteristics, and wide operating temperature range ensures dependable performance in harsh industrial settings. Integration into ControlLogix systems is simplified through electronic keying and compatible terminal blocks.

        The 1756-IM16I Allen-Bradley ControlLogix 16 Point D/I Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Allen-Bradley 1756-IM16I ControlLogix 16 Point D/I Module Manuals,Datasheets,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.
        Allen-Bradley 1756-IM16I ControlLogix 16 Point D/I Module Specs

        General

        • Manufacturer Allen-Bradley
        • Model 1756-IM16I
        • Condition New Original ready stock
        • Product Family 1756-IM16IK,1756-IA8D,1756-IA16
        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.
        • High-voltage AC field signal acquisition: Commonly used in large industrial plants to receive auxiliary contact status of heavy-duty pushbuttons, limit switches, and relays at 240V AC levels.
        • Electrical isolation for multi-power supply systems: Suitable for scenarios where field input devices are distributed and powered by different AC power sources. The 16 channels are independently isolated from each other, effectively preventing parasitic loops between different power supplies.
        • High electromagnetic interference environments: In high-noise environments such as substations or near high-power equipment, its inherent physical channel isolation and onboard filtering mechanisms ensure accurate logic signals.
        • Remote distributed I/O station: As part of a remote expansion rack, it works with EtherNet/IP adapters to seamlessly transmit remote high-voltage discrete logic signals back to the central controller.
        • The module is designed with a pluggable structure, allowing direct installation into any slot in the standard ControlLogix frame.
        • Field wiring must use dedicated removable terminal blocks (RTBs), such as the 1756-TBCH or 1756-TBS6H.
        • The terminal blocks feature mechanically foolproof positioning keys, effectively preventing damage to hardware circuits due to incorrect terminal block insertion.
        • Pre-fabricated cable connections using the 1492 Interface Module (IFM) are supported, significantly simplifying field wiring and reducing the error rate.
        • The front surface of the module is equipped with channel status LEDs, providing real-time and intuitive display of the current open/closed status of the 16 input points.
        • An independent module status (OK) indicator is provided, allowing maintenance personnel to quickly determine the module's health and operational status.
        • Online status monitoring is provided through the Studio 5000 environment, supporting real-time viewing of backplane communication status in the control system.
        • Internal data supports producer/consumer technology, allowing multiple controllers within the network to simultaneously share and monitor input status.
        Description
        Within a ControlLogix architecture, 1756-IM16I functions as a high-voltage AC digital input module, offering 16 channels with individual isolation to enhance signal integrity and reduce electrical interference between points. The module supports a nominal input of 240V AC at 50/60 Hz, while accommodating an operating range from 159 to 265V AC, making it suitable for a wide range of industrial power conditions.

        Signal processing in 1756-IM16I is optimized through a combination of hardware delay and user-selectable filtering. Off-to-On transitions include a maximum hardware delay of 10 ms plus selectable filtering of 1 ms or 2 ms, while On-to-Off transitions combine an 8 ms hardware delay with configurable filtering options of 9 ms or 18 ms. This flexibility allows users to tailor response characteristics to specific application needs, balancing noise immunity and responsiveness.

        From a performance perspective, the module demonstrates efficient power usage with a backplane power consumption of 0.58 W and current draw of 100 mA at 5.1V and 3 mA at 24V. Thermal characteristics are carefully managed, with a maximum power dissipation of 5.8 W at 60°C and a thermal output of 19.78 BTU/hr, supporting stable operation within industrial enclosures.

        Electrical characteristics further reinforce reliability, including a maximum off-state voltage of 40V and off-state current of 2.5 mA, while maintaining on-state current between 5 mA and 13 mA depending on input voltage. The module also supports a cyclic update time ranging from 200 µs to 750 ms, configurable change-of-state reporting, and input timestamp accuracy of ±200 µs, ensuring precise data acquisition in time-sensitive control systems.

        Built for industrial environments, 1756-IM16I offers 250V continuous isolation between inputs and the backplane as well as between channels. It operates within a temperature range of 0 to 60°C and withstands storage conditions from -40 to +85°C, with vibration tolerance up to 2 g across 10–500 Hz. The module uses removable terminal block options 1756-TBCH or 1756-TBS6H and supports electronic keying for secure configuration.
        Revisions

        Revision Part #

        Also known as

        1756-IM16I Ser A
        1756-IM16I/A, Series A, Rev A
        Get Parts Quote
        Alternative Names
        1756-1M161 1756IM16I 1756-IM16IK 1756-IN16 1756 IN16K 1756-OA8D 1756-OA8 1756-OA8K 1756-OA8E 1756-OA8EK 1756-OA16 1756-OA16K
        Technical notes
        The Allen-Bradley 1756-IM16I is a ControlLogix digital input module featuring 16 individually isolated channels designed for reliable 240V AC discrete signal acquisition in high-noise industrial environments.
        Exceptional Service

        Our Mission

        • 100% Satisfaction

          We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.

        • Trust Guaranteed

          Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.

        • Expertise

          Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What type of signals can 1756-IM16I handle in industrial systems?
        1756-IM16I is designed for 240V AC digital input signals with an operating range from 159 to 265V AC at 47–63 Hz.
        How many input channels are available on 1756-IM16I?
        1756-IM16I provides 16 individually isolated input channels for improved signal separation and reliability.
        What environmental conditions can 1756-IM16I withstand?
        1756-IM16I operates between 0 and 60°C, with storage capability from -40 to +85°C and humidity tolerance of 5–95% noncondensing.
        What response performance can be expected from 1756-IM16I?
        1756-IM16I supports cyclic update times from 200 µs to 750 ms and provides input timestamp accuracy of ±200 µs for precise monitoring.

        You May Also Like

        Product Browsing History