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        • Lifecycle status

          Active / Available from OEM
          Apter Power can support maintenance teams seeking IC655MDL526 for high-density Series Five AC input replacement.

        IC655MDL526

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Four eight-point banks give IC655MDL526 a 32-channel 115 VAC input capacity suited to higher-density Series Five field-signal collection.
        In Stock
        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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        Technical specifications for IC655MDL526

        • Manufacturer:
          General Electric
        • Part Number:
          IC655MDL526
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          115 VAC 32-Circuit Input Module
        • Stock:
          1
        • Product family:
          Series Five PLC
        • Input type:
          AC
        • Input points:
          32
        • Circuit grouping:
          Four groups of eight
        • Operating voltage:
          80–132 VAC
        • Frequency:
          48–63 Hz
        • Input current:
          14.5 mA at 115 VAC, 60 Hz
        • ON/OFF levels:
          80 VAC ON; 20 VAC OFF
        • Response time:
          5–30 ms ON; 10–50 ms OFF
        • Weight:
          1.72 lbs (0.78 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 Four AC Banks Address Mapping Missing-Signal Test Staged Start

        Features:

        • Thirty-two 115 VAC inputs are divided into four eight-point groups.
        • Each group has a dedicated neutral and may use a shared or separate source.
        • Point indicators support both state checking and starting-address identification.
        The four-group arrangement concentrates a large field-input count in one Series Five slot while retaining clear electrical boundaries for maintenance.

        A removable terminal assembly keeps the A-through-D grouping visible during module exchange and limits unnecessary disturbance to adjacent rack wiring.

        Technicians can follow the signal from field contact to group neutral, front indicator and programmed point, which makes commissioning and fault isolation more systematic.

        Apter Power can assist with quotation and sourcing requests for General Electric IC655MDL526 115 VAC 32-Circuit Input Module.
        General Electric IC655MDL526 115 VAC 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.

        Keeping Four Input Groups Identifiable

        • Group labels: Preserve A, B, C and D references from drawings through terminal tags.
        • Neutral pairing: Return each set of eight points to the neutral assigned to that group.
        • Source separation: Treat independently powered groups as separate energized circuits during service.
        • Terminal exchange: Retain the removable-block key positions and conductor order before moving hardware.

        Confirming the Starting I/O Address

        • Display request: Use the controller function that places the starting address on the module indicators.
        • Rack record: Compare the displayed range with the slot and I/O table recorded before shutdown.
        • Point sequence: Exercise inputs in group order to expose an offset or crossed terminal.
        • Logic comparison: If the LED is correct but logic is not, inspect mapping before replacing electronics.

        Locating a Missing 115 VAC Input

        • Field contact: Confirm the device switches the expected source under the actual process condition.
        • Voltage path: Measure from the point terminal to its matching group neutral.
        • Threshold: Distinguish a marginal voltage from a valid ON signal before judging the module.
        • Neighbor comparison: Use an operating point in the same group to check the common source and neutral.

        Commissioning Thirty-Two AC Inputs

        • Pre-power review: Check source ratings, neutral assignments, keying and slot identity.
        • Controlled energization: Apply power to one group and confirm its eight indicators before proceeding.
        • Functional proof: Operate each connected device and compare the PLC state with the field condition.
        • Completion record: Document any unused points, corrected labels and final address range.
        Description
        General Electric IC655MDL526 is a Series Five 32-circuit input module for 115 VAC field signals. Four eight-point groups provide a dense arrangement for collecting line-voltage contacts and device states within one rack position.

        Each bank has a defined source and common path, so the thirty-two points should be considered as four electrical sections rather than one continuous field circuit. This grouping supports separate distribution while giving multi-point failures a recognizable boundary.

        Front indications provide a direct view of input activity and assist with relating the physical groups to the configured I/O range. Address mapping becomes especially important at this density because a displaced starting reference can make healthy field signals appear under the wrong program locations.
        Alternative Names
        IC 655 MDL 526 IC655-MDL526 IC655MDL-526 GE IC655MDL526 GE Fanuc IC655MDL526 Series Five IC655MDL526 IC655MD1526 IC655MDLS26
        Technical notes
        De-energize every 115 VAC group before terminal-block work. Keep each group’s eight conductors and neutral together, preserve keying, and verify all thirty-two input states after installation.
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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
        What should be checked when an entire IC655MDL526 group is off?
        Before returning IC655MDL526 to service, begin with that group’s 115 VAC feed and neutral, then inspect its eight terminal positions before changing the module.
        Before servicing IC655MDL526, can the four input groups use separate sources?
        For IC655MDL526, each group may be powered independently or from one suitable shared source, provided every neutral stays matched to the intended group.
        With IC655MDL526 installed, how do the thirty-two LEDs assist rack troubleshooting?
        When checking IC655MDL526, a point LED shows whether the module detects the field voltage; the same display can identify the starting address when requested by the controller.
        For a IC655MDL526 installation, what must be labeled before terminal-block removal?
        On IC655MDL526, record the group letter, point number, neutral, source circuit and rack address for every connected input.
        For IC655MDL526, what voltage should be measured at an active input?
        During IC655MDL526 troubleshooting, measure between the selected point and its own group neutral; an active circuit must satisfy the 80 VAC ON threshold within the 80–132 VAC range.
        On IC655MDL526, how should a replacement be energized?
        With IC655MDL526 in service, restore one eight-point group at a time so an incorrect neutral or source can be isolated before the remaining groups are powered.
        When working with IC655MDL526, what if an LED changes but the PLC input does not?
        For an installed IC655MDL526, use the module’s address display and the controller I/O assignment to check for a starting-address or mapping mismatch.

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