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  • Lifecycle status

    Discontinued
    Discontinued date: 2017-07-31
    Replacement category: Engineering Replacement

1785-L80C15

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Allen-Bradley 1785-L80C15 is a 100 K-word ControlNet 1.5 PLC-5/80C15 processor supporting 128 map entries, ninety-two devices, and redundant media.
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Technical specifications for 1785-L80C15

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1785-L80C15
  • Product Family:
    PLC-5
  • Product Type:
    PLC-5/80C ControlNet 1.5 Processor
  • Stock:
    1
  • Processor Designation:
    PLC-5/80C15
  • ControlNet Phase:
    1.5
  • Backplane Current:
    3.3 A at 5 V DC
  • Heat Dissipation:
    59 BTU per hour
  • Battery:
    1770-XYC
  • Memory Modules:
    1785-ME32, 1785-ME64, and 1785-M100
  • Communication:
    Serial, Data Highway Plus, Remote I/O, ControlNet, and relay cartridge
  • Chassis Location:
    Leftmost slot in a supported 1771 chassis
  • Keying Locations:
    Between 40 and 42; between 54 and 56
  • Operating Temperature:
    0 to 60°C
  • Storage Temperature:
    -40 to 85°C
  • Relative Humidity:
    5% to 95%, non-condensing
  • Dimensions:
    4.8 × 16.5 × 26.8 cm
  • Weight:
    1.42 kg
  • 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 C15 Identification Chassis and Memory Network Return Application
  • Preserves the scheduled network timing used by an installed ControlNet 1.5 application
  • Restores the original processor project together with its rack and scanner assignments during replacement
  • Matches systems built around the 1785-L80C15 catalog and its documented hardware revision

1785-L80C15 is the C15 member of the PLC-5/80C family and is identified separately from the earlier L80C controller.

Its interfaces cover ControlNet, remote I/O, Data Highway Plus, serial communication, and the relay cartridge used by the documented system architecture.

The catalog suffix, hardware Series, network schedule, memory module, and rack plan should be treated as one replacement-control set.

Availability, condition, price, and shipping time for 1785-L80C15 are confirmed during quotation.

Allen-Bradley 1785-L80C15 PLC-5/80C ControlNet 1.5 Processor 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.

  • The C15 suffix identifies the ControlNet 1.5 processor generation.
  • Official product data names the hardware as Series F.
  • Earlier L80C catalogs must not be treated as the same identity.
  • The processor installs in the leftmost slot of a supported 1771 chassis.
  • Documented memory options include 1785-ME32, ME64, and M100.
  • Chassis keying is specified between 40 and 42 and between 54 and 56.
  • Restore the verified PLC-5 project and ControlNet schedule.
  • Confirm rack ownership, channel modes, peer paths, and HMI communication.
  • Use controlled commissioning to validate I/O and machine behavior.
  • PLC-5/80C systems standardized on the ControlNet 1.5 processor generation.
  • Series F controller recovery using a saved application and compatible network schedule.
  • 1771 chassis maintenance requiring the documented C15 memory, keying, and channel arrangement.
Description
Allen-Bradley 1785-L80C15 combines PLC-5/80 processing with the ControlNet 1.5 communication generation identified by its C15 suffix.

The processor installs in the leftmost slot of a supported 1771 chassis and provides serial, Data Highway Plus, remote-I/O, ControlNet, and relay-cartridge interfaces documented by the official manual.

Replacement requires the exact Series F hardware, compatible network schedule, project and channel configuration, chassis keying, battery, memory module, and rack allocation.
Revisions

Revision Part #

Also known as

1785-L80C15 Ser F
1785-L80C15/F, Series F, Rev F
Alternative Names
1785-L80C15 Allen-Bradley 1785-L80C15 Allen Bradley 1785-L80C15 PLC-5/80C15 1785-L80C15 Bulletin 1785-L80C15
Technical notes
1785-L80C15 replacement requires the exact C15 catalog, Series F hardware, ControlNet 1.5 schedule, saved PLC-5 project, supported memory module, chassis keying, and rack configuration; earlier L80C is different.
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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.
Will Allen-Bradley 1785-L80C15 communicate correctly on an earlier ControlNet 1.0 or 1.25 installation?
Do not assume compatibility. The C15 processor belongs to the ControlNet 1.5 generation, so the installed network, schedule, keeper, and connected devices require an engineering review.
Which project information should be preserved before replacing Allen-Bradley 1785-L80C15?
Save the controller project, channel configuration, data-table values, ControlNet schedule, node information, rack assignments, and any memory-module backup.
Can Allen-Bradley 1785-L80C15 recover a ControlNet system when the original network schedule is missing?
It should not be commissioned from an unverified reconstruction. Recover the validated project and schedule or complete a controlled network-engineering and validation process before returning equipment to service.
What should be inspected if Allen-Bradley 1785-L80C15 does not control remote chassis after replacement?
Check remote-I/O and ControlNet channel modes, rack addresses, network schedule, cabling, termination, keying, and the restored application configuration.
Can Allen-Bradley 1785-L80C15 use the same memory modules as every PLC-5 processor?
No. Follow the official compatibility list; the manual identifies 1785-ME32, 1785-ME64, and 1785-M100 for this processor.
How should Allen-Bradley 1785-L80C15 be commissioned after installation?
Verify chassis power, processor mode, project checksum, network communication, I/O ownership, peer messages, HMI access, and controlled machine operation.
What should be proven before an Allen-Bradley 1785-L80C15 replacement returns to production?
Verify processor mode, project identity, ControlNet schedule, node ownership, rack communication, peer messages, HMI access, alarm behavior, and a controlled machine operating cycle.