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Allen-Bradley · ControlLogix PLC platform
1756-L71 is an Allen-Bradley PLC controller with Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529); Communication ports EtherNet/IP, DeviceNet. It is used in packaging machines, conveyor transfer cells, small process skids where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Supply voltage | 24 V DC (IEC 61131-2) |
|---|---|
| Mechanical | |
| Mounting | 35 mm DIN rail (IEC 60715) |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
Values follow the Allen-Bradley ControlLogix PLC platform specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Allen-Bradley ControlLogix PLC platform variants | |||
| Catalog number | Supply voltage | ||
|---|---|---|---|
| 1756-L71 (this page) | 24 V DC (IEC 61131-2) | ||
| 1756-L71K | 24 V DC (IEC 61131-2) | ||
| 1756-L71S | 24 V DC (IEC 61131-2) | ||
| 1756-L71SK | 24 V DC (IEC 61131-2) | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The 1756-L71 is the device-level element in an Allen-Bradley PLC controller installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in packaging machines, conveyor transfer cells, small process skids, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Allen-Bradley 1756-L71 — PLC / CPU module used as the device-level control core in an automation panel, handling logic, timing and communication tasks. The figures below are taken from the specification table on this page for catalog number 1756-L71; verify the catalog number against your bill of materials before requesting a quotation.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Q.Which value is published under enclosure rating for catalog number 1756-L71?
For 1756-L71, enclosure rating is given as IP20 (IEC 60529). Use the value as the reference when sourcing a current-production equivalent.
Q.Before ordering 1756-L71, which supply voltage entry should be checked?
The supply voltage entry quoted above is 24 V DC (IEC 61131-2). Check the revision of the installed unit if the catalog number has been superseded.
Q.Where can I find the mounting data for 1756-L71?
It is listed in the specification table for Allen-Bradley 1756-L71 as 35 mm DIN rail (IEC 60715). Compare it with the nameplate of the installed unit before ordering.
Q.Can the 1756-L71 replace the unit currently installed in my panel?
Compare catalog number 1756-L71 and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
Q.How do I confirm compatibility of 1756-L71 before ordering?
Match the catalog number 1756-L71 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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