Allen-Bradley 1785-ME32
Allen-Bradley 1785-ME32
Allen-Bradley 1785-ME32
Allen-Bradley 1785-ME32
Allen-Bradley 1785-ME32
Allen-Bradley 1785-ME32
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  • Life cycle

    Discontinued
    Discontinued date: 2012-12-31
    Replacement category: Engineering Replacement

1785-ME32

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Allen-Bradley 1785-ME32 is a 32K-word nonvolatile EEPROM memory module for compatible enhanced and Ethernet PLC-5 processors, with jumper-selectable write protection.
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Technical specifications for 1785-ME32

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1785-ME32
  • Product Family:
    PLC-5
  • Product Type:
    32K EEPROM Memory Module
  • Stock:
    1
  • Memory Technology:
    EEPROM
  • Memory Capacity:
    32K words
  • Memory Type:
    Nonvolatile
  • Write Protection:
    Enabled by removing the jumper
  • Compatible Platform:
    Supported Enhanced PLC-5 processors
  • Operating Temperature:
    0 to 60°C
  • Storage Temperature:
    -40 to 85°C
  • Relative Humidity:
    5% to 95%, non-condensing
  • Operating Shock:
    15 g peak acceleration for 11 ms
  • Non-operating Shock:
    3 g peak acceleration for 11 ms
  • Vibration:
    2 g peak acceleration at 10 to 500 Hz
  • Dimensions:
    13.5 × 7.1 × 1 cm
  • Weight:
    0.070875 kg
  • Tariff Code:
    8538900000
  • 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 Capacity Check Handling Image Control Application
  • Keeps an approved PLC-5 application available for controlled processor recovery
  • Moves stored program memory between compatible enhanced PLC-5 processors during planned maintenance
  • Locks the saved image against unintended changes when the write-protect jumper is selected

1785-ME32 is a removable application carrier that allows a supported PLC-5 processor image to be retained independently of chassis power.

Its 32K-word capacity is useful only when both the controller catalog and saved program are compatible with that module size.

Maintenance control should cover safe power removal, image verification, jumper state, physical labeling, and a tested restore procedure.

Availability, condition, price, and shipping time for 1785-ME32 are confirmed during quotation.

Allen-Bradley 1785-ME32 32K EEPROM Memory Module 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 official specification identifies 32K words of EEPROM capacity.
  • The target Enhanced PLC-5 processor must support the selected module.
  • Project size and processor limit must both be reviewed.
  • Remove processor and I/O-chassis power before installation or removal.
  • Use the processor card guides and locking bar to seat the module.
  • Inspect the connector area before returning the controller to service.
  • Verify the machine and project identity before writing the EEPROM.
  • Set the jumper for the required protected or writable state.
  • Label and validate the stored image before relying on it as a backup.
  • Nonvolatile storage for supported PLC-5 projects that require up to 32K words.
  • Program recovery procedures using a labeled and verified EEPROM image.
  • Enhanced PLC-5 maintenance where processor compatibility and safe power-down are confirmed.
Description
Allen-Bradley 1785-ME32 is the 32K-word member of the removable PLC-5 EEPROM family and is intended for verified applications that exceed the smaller ME16 capacity.

Program-image control is central to its use: the stored machine revision should be identified, tested, labeled, and then protected with the documented jumper so another controller is not loaded accidentally.

Physical exchange is performed only after processor and chassis power are removed, followed by inspection of the contacts, alignment in the card guides, engagement of the locking bar, and a controlled restore test.
Alternative Names
1785-ME32 Allen-Bradley 1785-ME32 Allen Bradley 1785-ME32 PLC-5 1785-ME32 Bulletin 1785-ME32
Technical notes
1785-ME32 program transfer requires a compatible Enhanced PLC-5 processor, verified 32K application image, de-energized chassis, correct seating, and controlled write-protection jumper; an unlabeled module risks restoring the wrong machine project.
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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.
What should be checked before copying a PLC-5 application to Allen-Bradley 1785-ME32?
Verify the target processor, project identity, required capacity, machine state, module seating, and write-protection jumper before starting the copy procedure.
Does Allen-Bradley 1785-ME32 increase the operating memory of a PLC-5 processor?
It serves as nonvolatile application storage; it does not by itself change the processor's execution-memory limit or I/O capacity.
How should Allen-Bradley 1785-ME32 be protected from accidental program changes?
After the correct image is stored and verified, remove the documented jumper to enable write protection and label the module with its application identity.
What is required before physically installing Allen-Bradley 1785-ME32?
Turn off power to the processor and I/O chassis, inspect the contacts and card guides, and confirm the target processor is officially supported.
Can a maintenance team restore Allen-Bradley 1785-ME32 without checking the machine revision?
No. Confirm that the stored project and data configuration belong to the exact machine and processor revision before restoration.
Why should Allen-Bradley 1785-ME32 be labeled after programming?
A clear machine, project, and revision label reduces the risk of loading a valid but incorrect PLC-5 application into another controller.
When is Allen-Bradley 1785-ME32 preferable to Allen-Bradley 1785-ME16?
Choose ME32 only when the supported processor and verified application require capacity beyond 16K words and the official compatibility requirements are satisfied.

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