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        1745-LP102

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Allen-Bradley 1745-LP102 is the black-patch SLC 100 processor variant with ten 170–265 V AC inputs, six hard-contact outputs, and 885 words of memory.
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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.
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        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-LP102

        • Manufacturer:
          Allen-Bradley
        • Part Number:
          1745-LP102
        • Product Family:
          SLC 100
        • Product Type:
          SLC 100 Processor Unit
        • Stock:
          1
        • Built-in 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
        • User memory:
          885 words
        • Typical scan time:
          15 ms
        • Timers/counters/sequencers:
          32 maximum
        • Color patch:
          Black
        • Operating temperature:
          0–60 °C
        • 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 Power Wiring Input Match Program Backup Product Applications

        Features:

        • High-voltage inputs: ten 170–265 V AC current-sinking points
        • Black identity patch: visible marking separates this unit from LP101
        • Compact processor: 885-word logic and 16 fixed I/O share one housing
        The input voltage branch is the primary ordering discriminator for this legacy processor.

        Program timing and the expansion address sequence should be documented before the installed unit is taken offline.

        Hard-contact output ratings do not remove the need for correct overload protection and inductive-load suppression.

        Apter Power can support 1745-LP102 black-patch verification, official-document supply, condition review, and sourcing coordination.

        Allen-Bradley 1745-LP102 SLC 100 Processor 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.

        • Terminal identity: follow the exact incoming-power connection for the selected mains voltage
        • No jumpering: do not join neutral terminals unless the official diagram explicitly directs it
        • Isolation: verify all processor, expansion, and field power is removed before service
        • Range: confirm each circuit belongs to 170–265 V AC
        • Sensor leakage: compare two-wire devices with the published off-state limit
        • Status check: use the input LEDs with voltage measurements and the program address
        • Program: archive ladder logic, data, and instruction use
        • Machine timing: document scan-sensitive timers, counters, and sequencers
        • Expansion map: preserve physical order, cable path, and assigned I/O blocks
        • 230 V-class sensing: monitor matched high-voltage AC field inputs
        • Small-machine control: execute relay, timing, counting, and sequence logic
        • Legacy expansion systems: coordinate supported SLC 100 or SLC 150 I/O arrangements
        Description
        The black-patch 1745-LP102 is the high-voltage AC input member of the SLC 100 processor pair. It combines ten 170–265 V AC current-sinking inputs, six hard-contact outputs, processor memory, and the power supply in a single 16-point enclosure.

        Within a small legacy machine, 1745-LP102 executes an 885-word ladder program with a typical 15 ms scan and supports up to 32 timers, counters, and sequencers. The hard-contact outputs cover the official AC and DC switching ranges independent of the higher input voltage.

        Before servicing 1745-LP102, identify the correct incoming-power and neutral terminals, recover the program, record expansion order and I/O addresses, and document the loads on all six outputs. LP101 data must not be substituted because its input circuits use a different voltage range.
        Alternative Names
        Allen-Bradley 1745-LP102 1745 LP102 SLC 100 high-voltage AC processor SLC100 16-point processor 230 V input
        Technical notes
        Neutral selection is a damage-prevention issue on 1745-LP102. Verify the black 170–265 V AC input identity, incoming-power terminal arrangement, field voltage, I/O addresses, program backup, and relay-load suppression before work begins. Keep the processor and expansion chain de-energized while cables or terminal wiring are changed.
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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 condition makes power wiring on 1745-LP102 a stop-work issue?
        Any jumper or neutral arrangement that does not match the official terminal diagram is a stop condition. Do not energize the processor until the supported supply connection is unambiguous.
        Why can a two-wire sensor keep an input of 1745-LP102 active after the device turns off?
        Off-state leakage can hold the high-voltage AC input above its off threshold. Compare the sensor leakage with the official limit before changing the program or replacing the processor.
        If no working programmer path is available, what should happen before 1745-LP102 is removed?
        Postpone removal until the ladder program and required data can be recovered or independently reconstructed from approved records. Otherwise the replacement may be electrically correct but unable to restore the machine sequence.
        What should be investigated when a contactor on 1745-LP102 causes repeated output problems?
        Check the load for excessive inrush or a short, then verify the suppression device at the coil. Reconnect only when the circuit fits the documented hard-contact duty.
        Why can 1745-LP102 operate the wrong points after its expansion chain is rebuilt?
        Physical order determines the I/O blocks assigned to expansion units. Compare the rebuilt chain with the program map before treating an input or output as defective.
        Which behavior needs retesting after moving a 1745-LP102 application to a newer controller?
        Retest the actual sequence, timing, interlocks, and output safe states. These behaviors can depend on the legacy scan and I/O update arrangement, not just the copied ladder instructions.

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