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        1745-E102

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        1001 reviews ｜ Need a Specific Revision?
        Allen-Bradley 1745-E102 is a black-patch SLC expansion unit that adds ten 170–265 V AC inputs and six hard-contact outputs to a supported controller chain.
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        Ships by Thursday, October 29
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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 1745-E102

        • Manufacturer:
          Allen-Bradley
        • Part Number:
          1745-E102
        • Product Family:
          SLC 100
        • Product Type:
          SLC Basic Expansion Unit
        • Stock:
          1
        • Expansion I/O:
          10 inputs / 6 outputs
        • Input circuits:
          170–265 V AC, current sinking
        • Output circuits:
          6 hard contacts, 10–250 V AC / 10–125 V DC
        • Maximum power requirement:
          12 VA
        • Input power fuse:
          315 mA / 250 V
        • Color patch:
          Black
        • Operating temperature:
          0–60 °C
        • Wiring:
          14–24 AWG stranded
        • Weight:
          1.9 kg
        • Estimated shipping dimensions:
          25x10x12.1cm
        • Tariff Code:
          8537101190
        • 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 I/O Address Input Match Relay Loads Product Applications

        Features:

        • High-voltage expansion: ten black-patch 170–265 V AC inputs
        • Relay switching: six hard contacts cover the documented AC and DC ranges
        • Address dependence: chain position determines the program's I/O block
        The full catalog label and black patch are the fastest safeguards against installing the low-voltage E101 variant.

        Because the unit contains no application processor, troubleshooting must follow the field signal through the interconnect and assigned program word.

        Output-load identity and suppression remain part of the replacement record, not optional commissioning notes.

        Apter Power can support 1745-E102 high-voltage variant checks, expansion mapping, official documents, and legacy sourcing.

        Allen-Bradley 1745-E102 SLC Basic Expansion Unit 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.

        • Block assignment: record the words created by the unit's physical position
        • Program reference: map every terminal to its ladder address and machine function
        • Chain integrity: inspect adjacent cables and units before declaring a module fault
        • Variant proof: verify the black patch and 170–265 V AC range
        • Measurement: check terminal voltage, neutral, common, and sensor leakage
        • Isolation: treat all high-voltage field circuits under the approved lockout procedure
        • Load inventory: record voltage, current, inrush, and device for each output
        • Suppression: apply the documented AC network or DC diode at inductive loads
        • Fault prevention: clear shorts and damaged field wiring before a replacement is energized
        • High-voltage AC sensing: add ten matched 170–265 V AC inputs
        • Legacy I/O growth: extend supported SLC 100 or SLC 150 controller chains
        • Relay interfacing: switch approved AC or DC loads through six hard contacts
        Description
        High-voltage discrete expansion for a supported SLC system is provided by 1745-E102. The black-patch unit adds ten 170–265 V AC current-sinking inputs and six hard-contact outputs while relying on the connected processor for program execution and addressing.

        Within the expansion chain, 1745-E102 occupies the I/O block assigned by its physical position. Its 12 VA maximum power requirement, 315 mA fuse, terminal status LEDs, and six AC/DC-capable relay contacts supply the practical boundaries for maintenance.

        A replacement of 1745-E102 should reproduce cable order, address mapping, field voltage, commons, output-load suppression, and terminal labeling before power is restored. E101 documentation must not be substituted because that red-patch variant uses the lower AC input range.
        Alternative Names
        Allen-Bradley 1745-E102 1745 E102 SLC high-voltage basic expansion SLC100 230 V input expansion unit
        Technical notes
        Address-block evidence and field voltage must be captured together for 1745-E102. Confirm the black 170–265 V AC input variant, expansion-chain position, cable direction, assigned words, relay loads, and suppression. The processor, all expansion units, and field circuits must be isolated before this unit or its interconnect is removed.
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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
        Why can 1745-E102 show correct LEDs while the machine logic reads the wrong points?
        The physical expansion order determines the assigned I/O block. Compare chain position and program addresses before treating the LED indication or field input as defective.
        What confirms that 1745-E102 belongs on the connected high-voltage input circuits?
        Use the full catalog label and black patch, then measure the field voltage. The circuits must match the documented 170–265 V AC input branch before connection.
        Where should diagnosis begin when one input on 1745-E102 stops responding?
        Begin at the field device and terminal voltage. If the status LED follows the signal, continue through the common wiring, expansion position, and assigned processor address.
        Can different SLC expansion types be rearranged around 1745-E102 without reviewing the program?
        No. Physical order and block consumption affect downstream addresses, so the complete chain must be reconciled with the processor program before restart.
        What should be known before reconnecting a hard-contact output on 1745-E102?
        Identify the load duty and its suppression first. Reconnect only after the switching demand is within the official contact limits and the field circuit is free of shorts.
        Why must 1745-E102 remain de-energized during interconnect work?
        The legacy expansion interface is not designed for hot insertion. Isolate controller, expansion, and field power to prevent equipment damage or unexpected machine operation.

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