• 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

        • Lifecycle status

          Active / Available from OEM
          For IC655MDL502 availability and quotation requests, Apter Power can help source a matching four-bank input module.

        IC655MDL502

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Designed for denser negative-logic input wiring, IC655MDL502 accepts thirty-two 12/24 VDC points across four isolated groups with local point indication.
        In Stock
        Ships by Wednesday, October 28
        Fast Shipping Available
        Get a quick price for IC655MDL502
        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 IC655MDL502

        • Manufacturer:
          General Electric
        • Part Number:
          IC655MDL502
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          12/24 VDC Negative-Logic 32-Circuit Input Module
        • Stock:
          1
        • Product family:
          Series Five PLC
        • Input type:
          Negative logic DC
        • Input points:
          32
        • Circuit grouping:
          Four groups of 8
        • Operating voltage:
          10.2–26.4 VDC
        • Input current:
          10 mA at 24 VDC
        • ON threshold:
          6.5 VDC between common and input
        • OFF threshold:
          4.0 VDC between common and input
        • Response time:
          3.7–10 ms ON; 3.5–12.5 ms OFF
        • Internal current:
          130 mA typical; 150 mA maximum
        • Weight:
          1.65 lbs (0.75 kg)
        • Estimated shipping dimensions:
          3.8 × 25.4 × 12.7 cm
        • Tariff Code:
          8538900000
        • 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 12/24 VDC Levels Four-Bank Mapping Group Fault Isolation Return Allocation

        Features:

        • Thirty-two negative-logic DC inputs are arranged in four independent groups of eight.
        • Separate group commons support deliberate field-power partitioning across the module.
        • Point LEDs and address indication provide local checks for both signal state and rack assignment.
        IC655MDL502 trades front-panel space for density by concentrating thirty-two negative-logic signals while retaining four separate bank references rather than one shared field return.

        Its starting address defines a continuous block in the I/O map, so rack records must connect software references to the four physical banks before conductors are disturbed.

        Troubleshooting can proceed from bank supply and common to individual signal wiring, using the point lamps to narrow the search without treating every inactive LED as a failed input circuit.

        General Electric IC655MDL502 12/24 VDC Negative-Logic 32-Circuit Input Module may be available for purchase and support from Apter Power.
        General Electric IC655MDL502 12/24 VDC Negative-Logic 32-Circuit Input Module Manuals, Datasheets, Links 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.

        Matching Field Devices to the Four Input Banks

        • Logic direction: Use negative-logic field circuits so the input reference matches the module design.
        • Supply range: Check the voltage at the terminals under load, not only at the cabinet power source.
        • Bank separation: Independent commons allow each eight-point section to follow its own compatible field source.
        • Shared source: One supply may serve all banks when grounding, polarity and available current are suitable.

        Reading Point Activity and Rack Assignment

        • Point state: Each LED mirrors its corresponding input circuit and provides the first on-module check.
        • Address display: The upper indicators can identify the starting I/O address during commissioning.
        • Cross-check: Compare the displayed address with the controller map before tracing the wrong group of conductors.
        • Recorded baseline: Save the normal input pattern so later maintenance can recognize an unexpected bank-wide change.

        Narrowing a Missing or Incorrect Input

        • Single channel: Verify the field voltage, polarity and matching indicator at that terminal.
        • Eight channels: Inspect the affected bank common and supply because they are shared within the group.
        • LED without PLC state: Recheck the starting address, rack assignment and controller configuration.
        • Intermittent group: Examine terminal seating and conductor strain before disturbing the backplane module.

        Transferring the 38-Terminal Assembly

        • Power isolation: De-energize every field source connected to the four input groups.
        • Wire identity: Mark each conductor by bank and terminal before loosening the removable assembly.
        • Mechanical protection: Preserve the key locations that prevent the block from mating with an incompatible module.
        • Return to service: Restore and prove one bank at a time while checking the corresponding PLC points.
        Description
        General Electric IC655MDL502 is a Series Five 32-circuit negative-logic input module for 12–24 VDC signals. Four independent eight-point banks give the module higher density while preserving separate common references for different field sections.

        The four-bank arrangement permits signal groups to be partitioned by source or machine area instead of sharing one return path. This also creates a recognizable fault pattern: eight adjacent inactive points suggest the supply or common for that bank, while a single point should be traced locally.

        Front LEDs display individual states and can assist with confirming the starting I/O address. The removable 38-terminal assembly keeps the larger conductor set organized, but bank identity and configured address remain necessary for matching field wiring to controller references.
        Alternative Names
        IC 655 MDL 502 IC655-MDL502 IC655MDL-502 IC655MDLS02 IC655MDL5O2 GE IC655MDL502 GE Fanuc IC655MDL502 Series Five IC655MDL502
        Technical notes
        Isolate every field source before removing the 38-terminal block. Preserve the four group commons, negative-logic polarity, module address and mechanical keying, then validate each bank against the controller input table.
        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
        How can one IC655MDL502 input be checked without disturbing the other channels?
        During IC655MDL502 troubleshooting, compare the field voltage and the matching front indicator first. If both agree, check the configured address and controller input table before moving any conductor.
        What should be inspected when eight IC655MDL502 inputs fail together?
        With IC655MDL502 in service, trace the common and field supply for the affected eight-point bank. A single open common or missing group supply can remove the entire bank while the other three continue operating.
        Can the four IC655MDL502 groups use separate DC supplies?
        For an installed IC655MDL502, they can. Each bank has its own common, so compatible sources may be separated by group; their polarity and reference must still match the negative-logic circuit arrangement.
        Which indication helps confirm the IC655MDL502 starting address?
        Before returning IC655MDL502 to service, command the module to show its address on the upper indicators, then compare that value with the rack configuration. This prevents troubleshooting the wrong block of controller inputs.
        How should the installed IC655MDL502 configuration be documented before a module exchange?
        For IC655MDL502, capture the slot, starting I/O address, four group commons, terminal designations and mechanical key positions. Those details are needed to reproduce the original installation without guessing.
        How should the IC655MDL502 terminal block be transferred safely?
        When checking IC655MDL502, de-energize all field sources, label the conductors by group and terminal, and release the removable block without forcing its keying. Restore one group at a time during commissioning.
        What can cause an IC655MDL502 LED to turn on while the PLC point remains unchanged?
        On IC655MDL502, the module is receiving the field signal, so the next checks are the displayed starting address, rack assignment and controller configuration. A communication or mapping error can leave the PLC point unchanged.

        You May Also Like

        Product Browsing History