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          Active / Available from OEM
          For IC655CHS508 sourcing and quotation needs, Apter Power can help locate an eight-slot Series Five base unit.

        IC655CHS508

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        General Electric IC655CHS508 is a Base Unit with 8 I/O Slots that accommodates a full-width Series Five CPU or local I/O expansion configuration.
        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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        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 IC655CHS508

        • Manufacturer:
          General Electric
        • Part Number:
          IC655CHS508
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          Base Unit with 8 I/O Slots
        • Stock:
          1
        • Product family:
          Series Five PLC
        • I/O slots:
          8
        • I/O slot numbering:
          0 through 7
        • Mounting method:
          Panel or wall
        • Estimated shipping dimensions:
          48.3 × 25.0 × 13.9 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 Eight-Slot Capacity Rack Numbering Panel Clearance I/O Bus Chain

        Features:

        • Eight I/O positions maximize the usable module count in one Series Five base.
        • A 19-inch frame aligns the rack with common control-cabinet width planning.
        • Dual side connectors support continuation of the local I/O bus.
        With all eight I/O positions populated, a single CPU base can concentrate as many as 256 points when the selected modules each provide 32 circuits.

        The backplane accepts mixed Series Five module types and permits their I/O references to be assigned independently of slot sequence, giving the control program flexibility during cabinet layout.

        Expansion cabling can enter from either side, but every added rack still needs its own supply, interface, unique base number, and correctly placed end terminator.

        Apter Power can assist with configuration support and sourcing for the General Electric IC655CHS508 Base Unit with 8 I/O Slots in retained Series Five installations.
        General Electric IC655CHS508 Base Unit with 8 I/O Slots 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.

        Using eight positions without exceeding rack power

        • Worst-case total: Add the maximum internal draw of the controller, optional interface, and every proposed module before finalizing IC655CHS508.
        • Supply choice: A dense rack may require the twelve-amp AC unit even when a six-amp supply fits mechanically.
        • Unacceptable mix: Empty physical space is not proof of electrical capacity; an over-limit combination must be redistributed.
        • Expansion option: Moving selected modules to another powered base can restore current margin while retaining the same local I/O chain.

        Relating IC655CHS508 positions to the control program

        • Physical order: User slots are marked 0 through 7 from left to right after the CPU or interface position.
        • Reference flexibility: Logicmaster 5 allows I/O references to be assigned without requiring numerical correspondence to slot order.
        • Base number: In a multi-rack system, set a unique ID from 0 to 7 and reserve zero for the CPU chassis.
        • Maintenance record: Keep the configured base and slot references with cabinet drawings so replacement work preserves the intended signal map.

        Allowing room for the full-width base

        • Horizontal envelope: The 483 mm chassis width needs additional side clearance for expansion plugs and module handling.
        • Mounting support: Four fasteners on the published center pattern distribute the populated rack load across the panel.
        • Forward depth: The enclosure starts at a 139 mm minimum and grows with the deepest installed module and wire bend radius.
        • Air passage: Clear regions above and below IC655CHS508 protect the natural convection path across a fully occupied base.

        Connecting an eight-slot base to local expansion

        • Interface slot: Install IC655BEM500 next to the power supply when IC655CHS508 operates away from the CPU base.
        • Daisy-chain path: One side connector receives the preceding cable and the other continues toward the next rack.
        • Length control: The sum of all standard local I/O cables must remain within the permitted chain distance.
        • Last connection: The final unused connector accepts the terminator that closes the differential bus correctly.
        Description
        General Electric IC655CHS508 is an eight-slot Series Five base unit that carries the power supply and CPU or local I/O interface together with eight user module positions. The full-width chassis supports larger local configurations than the six-slot IC655CHS506.

        The additional positions allow more signals to be concentrated in one base or leave room for supported intelligent hardware. Slot references are assigned through the Series Five configuration, so the physical order can be planned around module type, terminal access and heat distribution.

        Side connectors continue the local I/O bus when another base is required, making cable direction and rack numbering part of the overall layout. A fully populated chassis also increases backplane demand, so the selected supply must be sized from the actual modules rather than from slot count alone.
        Alternative Names
        IC 655 CHS 508 IC-655-CHS-508 GE IC655CHS508 GE Fanuc IC655CHS508 Series Five IC655CHS508 IC655CHS5O8 1C655CHS508 IC655 CHS508
        Technical notes
        IC655CHS508 may need CPU-base slots reserved for intelligent modules that cannot operate in an expansion base, even when ordinary I/O space remains.
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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 is the usable module capacity of IC655CHS508?
        IC655CHS508 holds eight I/O or intelligent modules in slots 0 through 7, in addition to the separate supply and CPU or interface positions.
        When does IC655CHS508 offer an advantage over the six-slot base?
        IC655CHS508 provides two extra I/O positions, helping a design retain more local modules or reserve CPU-base space for intelligent hardware.
        Can IC655CHS508 serve in a local I/O expansion chain?
        Yes. Fit a local I/O interface next to the power supply in IC655CHS508, assign the base a unique ID, and connect it through either side expansion connector.
        What panel width is required for IC655CHS508?
        Allow for the 19.00 in (483 mm) overall width of IC655CHS508 plus side clearance needed for cables, airflow, and removal.
        How should the mounting pattern for IC655CHS508 be laid out?
        The four IC655CHS508 mounting points use 18.30 × 7.90 in (465 × 200 mm) center spacing; mark them with the chassis before drilling.
        What can make an eight-module IC655CHS508 configuration unacceptable?
        Even with open slots, IC655CHS508 cannot be populated beyond the fitted supply current; total the maximum backplane demand of every selected module.
        Where is the terminator installed when IC655CHS508 is the final expansion base?
        Place the local I/O terminator on the unused side connector of IC655CHS508 when it ends the daisy chain.

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