The 1772-LP1 is a legacy 2/20 programmable controller processor for compatible 1772 chassis, I/O and communication hardware.
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PLCPart Number :
1772-LP1Weight :
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Confirm chassis fit from the installed 1772 system documentationCountry of Origin :
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Legacy 2/20 Processor UnitDescription :
The 1772-LP1 is a legacy 2/20 programmable controller processor for compatible 1772 chassis, I/O and communication hardware.Click “+” to expand more specifications.
Source: Official publication 1771-UM128 covers 1772-LP1. Verify the nameplate, electrical configuration, wiring, firmware and saved project before replacement.
1772-LP1 is a legacy 2/20 processor that executes the stored control program and manages configured I/O in a compatible 1772 installation.
1772-LP1 must match the installed chassis, power supply, I/O arrangement, memory configuration, programming equipment and communication-adapter hardware.
1772-LP1 and 1772-LP2 should not be interchanged solely because both belong to the legacy 2/20 platform; the exact catalog number, revision, memory, program and installed hardware must be verified.
Before replacing 1772-LP1, preserve the controller program and memory configuration and record the I/O map, processor revision and communication settings.
For 1772-LP1, verify the installed external communication adapter, cable arrangement, station settings and related controller documentation before commissioning.
A 1772-LP1 inquiry should include nameplate photographs, quantity, processor revision, chassis and power-supply models, I/O list, communication adapters and program-backup status.
Official manufacturer-reference information for the 1772-LP1 Legacy 2/20 Processor Unit.
Official publication 1771-UM128 covers identification, installation, wiring, configuration and operating requirements for this catalog variant.
OFFICIAL MANUALSend the complete model, quantity, nameplate photos and your technical or purchasing question.
Technical statements on this page are limited to official publication 1771-UM128. No third-party product sources were used.
PLC is the product-family reference. 1772-LP1 must be matched to the complete nameplate, electrical configuration, I/O or processor arrangement, firmware, wiring and saved project.
Record the installed controller or base, expansion I/O, network design, firmware and adjacent equipment.
Photograph the chassis, processor position, I/O arrangement, communication adapters and grounding before removal.
Verify the installed chassis power supply, processor revision and all field wiring before energizing.
Do not select a substitute until the exact catalog number, processor revision, memory, I/O map, communication adapter and program backup are confirmed.
Match 1772-LP1 and its complete suffix to the full nameplate and installed-system documentation.
Create a recoverable copy of the controller project and record firmware, communication and I/O parameters before removal.
Record the network or serial protocol, addresses, cables, supply and I/O wiring used by the installed application.
Confirm catalog number, firmware, I/O or processor configuration, ports, power, wiring and project compatibility before commissioning.
A clear workflow for sourcing, verification, shipment preparation, delivery and product assurance.
Include the complete part number, quantity and delivery destination.
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