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        • Lifecycle status

          Active / Available from OEM
          Apter Power can assist with sourcing IC655MDL556 for Series Five panels that need dense positive-logic control of low-current DC loads.

        IC655MDL556

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        1001 reviews ｜ Need a Specific Revision?
        General Electric IC655MDL556 is a Series Five source-side DC output module with thirty-two 0.5 A points arranged in four fused banks.
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        Ships by Wednesday, October 28
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        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.
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        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 IC655MDL556

        • Manufacturer:
          General Electric
        • Part Number:
          IC655MDL556
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          12/24 VDC Positive-Logic 0.5 A 32-Circuit Output Module
        • Stock:
          1
        • Product family:
          Series Five PLC
        • Output logic:
          Positive logic
        • Output points:
          32
        • Output device:
          NPN emitter follower
        • Circuit grouping:
          Four groups of eight
        • Operating voltage:
          5.0–26.4 VDC
        • Maximum point current:
          0.5 A
        • Current limits:
          2 A per common; 8 A per module
        • Response time:
          0.1 ms ON; 1 ms OFF
        • Group protection:
          Four 3 A fast-acting fuses
        • 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 Source Banks Current Sharing Fuse Diagnosis Grouped Start-Up

        Features:

        • Thirty-two source-side outputs support dense DC control.
        • Four fused eight-point banks organize field wiring.
        • Point indication helps distinguish command and circuit faults.
        IC655MDL556 concentrates many low-current devices into one Series Five slot without losing group-level service visibility.

        The 0.5 A point rating must be considered together with common and whole-module current, especially when several coils start at once.

        Staged commissioning lets technicians validate a bank before expanding the test to all thirty-two outputs.

        General Electric IC655MDL556 12/24 VDC Positive-Logic 0.5 A 32-Circuit Output Module may be available for purchase and support from Apter Power.
        General Electric IC655MDL556 12/24 VDC Positive-Logic 0.5 A 32-Circuit Output 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.

        Organizing Four Output Banks

        • Point map: Keep each eight-point bank aligned with the terminal schedule.
        • Common path: Calculate the current returning through every grouped connection.
        • Connector control: Preserve orientation and mechanical keying during exchange.
        • Label check: Trace each conductor to its actual device before energizing.

        Balancing Dense DC Loads

        • Point demand: Check steady current against the 0.5 A limit.
        • Coil pickup: Include starting current instead of using nameplate holding current alone.
        • Simultaneous state: Add loads that the sequence can energize together.
        • Design margin: Keep practical headroom below common and module totals.

        Separating Fuse and Load Faults

        • Grouped symptom: Multiple lost points often direct attention to one protected bank.
        • Safe inspection: Remove field energy before testing the fuse and downstream wiring.
        • Root cause: Locate the short or excessive load before installing a replacement fuse.
        • Proof: Restore the bank in stages while checking device response.

        Returning Thirty-Two Points to Service

        • Precheck: Match the module, slot, address and connector.
        • Isolation: Hold the process in a safe state during manual tests.
        • Bank sequence: Prove outputs in manageable groups and observe actual loads.
        • Release: Run the normal sequence only after all discrepancies are cleared.
        Description
        General Electric IC655MDL556 is a Series Five 32-circuit positive-logic DC output module for sourcing compatible 12–24 VDC field loads at up to 0.5 A per point. Four banks of eight provide the physical grouping used for supply and protection planning.

        The thirty-two-point format concentrates many modest-current devices in one slot, but usable capacity depends on the simultaneous load of each bank and the complete module. A design that satisfies the point rating can still exceed a shared current boundary when many outputs operate together.

        Bank fuses and point indicators divide troubleshooting between the field-current path and the controller command. Energizing the banks in stages reveals accumulated load behavior and makes it easier to associate an unexpected fuse operation with a particular group of connected devices.
        Alternative Names
        IC 655 MDL 556 IC655-MDL556 IC655MDL-556 GE IC655MDL556 GE Fanuc IC655MDL556 Series Five IC655MDL556
        Technical notes
        Isolate the DC supply before moving the connector or fuse. Keep each common within 2 A and the complete module within 8 A during the worst operating state.
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        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
        Which devices fit IC655MDL556?
        With IC655MDL556 in service, use compatible DC loads whose normal current, inrush and switching behavior remain within the point and grouped-current limits.
        During IC655MDL556 troubleshooting, what should be checked when eight outputs stop together?
        For an installed IC655MDL556, inspect the related group fuse, field supply and common wiring after safely removing field power.
        Before servicing IC655MDL556, is 0.5 A available on all points simultaneously?
        Before returning IC655MDL556 to service, the total must also remain below 2 A per common and 8 A for the complete module.
        With IC655MDL556 installed, how can an LED-on/load-off condition be traced?
        For IC655MDL556, compare the indicated command with terminal voltage, return continuity and voltage at the device under load.
        For a IC655MDL556 installation, what must be saved before exchanging the module?
        When checking IC655MDL556, record the slot, starting address, connector orientation, group assignments and every point-to-device label.
        For IC655MDL556, how should outputs be brought back online?
        On IC655MDL556, with automatic control inhibited, energize one bank at a time and prove each connected device before releasing the process.
        On IC655MDL556, what inrush limits apply?
        During IC655MDL556 troubleshooting, a point may accommodate 1 A for 100 ms or 2 A for 10 ms when the grouped current budget is still respected.

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