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1775-ME8

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Allen-Bradley 1775-ME8 is a PLC-3 error-detecting-and-correcting memory module with an official capacity of 32K, or 32,768 words.
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Technical specifications for 1775-ME8

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1775-ME8
  • Product Family:
    PLC-3
  • Product Type:
    PLC-3 32K EDC Memory Module
  • Stock:
    1
  • Product Family:
    PLC-3
  • Module Type:
    Error-detecting-and-correcting memory module
  • Memory Capacity:
    32K / 32,768 words
  • Configuration Check:
    PLC-3 installed-module status list
  • Addressing Rule:
    Single position 1 or consecutive positions beginning at 1
  • Tariff Code:
    Please confirm the destination before shipping
  • 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 Planning Status Review Memory Order Product Applications

Features:

  • 32K PLC-3 memory capacity
  • Catalog visible in module status
  • Software and label identity check
Allen-Bradley 1775-ME8 supplies 32,768 words of EDC memory for the PLC-3 program and controller data.

The programming-terminal status view can show the installed memory catalog before the processor chassis is opened.

Comparing that status entry with the board nameplate gives maintenance a stronger identity check than either record provides alone.

Apter Power can coordinate 1775-ME8 label and status review, official documentation, quotation details, and pre-shipment checks.
1775-ME8 PLC-3 32K EDC 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 documented capacity is 32K, equal to 32,768 words of PLC-3 memory.
  • The complete program and data-table requirement must fit inside the approved memory arrangement.
  • Allow for planned data growth before deciding that the current tier remains suitable.
  • Read the installed catalog and position from the PLC-3 module-status display before shutdown.
  • Compare the saved status entry with the physical board nameplate during the outage.
  • Resolve a conflicting catalog or position before a replacement is installed.
  • A single memory board uses thumbwheel position 1.
  • A multi-board set keeps consecutive positions beginning at 1.
  • The pre-service photograph should show enough of the chassis to rebuild the original order.
  • Stores PLC-3 applications that fit the documented 32K memory tier.
  • Supports maintenance checks through the controller module-status display.
  • Operates in ordered single-board or multi-board PLC-3 memory sets.
Description
Allen-Bradley 1775-ME8 is the 32K member of the PLC-3 error-detecting-and-correcting memory range, providing 32,768 words for the controller program and data inside the processor chassis.

Maintenance teams have two useful identity references for 1775-ME8: the physical board label and the catalog shown in the PLC-3 module-status display. Agreement between them can reveal whether the chassis record still reflects the memory actually installed.

When 1775-ME8 is prepared for service, save the status record before opening the chassis, then photograph the board order and thumbwheel settings after power is isolated. The project archive still needs to be readable, but the status-to-label comparison is the fastest way to catch a catalog mismatch.
Alternative Names
Allen-Bradley 1775 ME8 32K Memory Rockwell 1775ME8 PLC-3 Memory PLC-3 32K EDC Memory Module
Technical notes
A status-to-label mismatch should stop work on 1775-ME8. Save the catalog and position shown by the PLC-3 module-status display, then compare them with the physical nameplate and thumbwheel after power is isolated; do not exchange the board until the project record, displayed identity, and installed memory sequence agree.
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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.
How can I identify 1775-ME8 before opening the PLC-3 chassis?
Save the catalog and position shown in the module-status display. After power is isolated, compare that record with the physical board label and thumbwheel.
Is 1775-ME8 appropriate when the saved project is close to 32K?
Calculate the complete program and data requirement and include expected growth. If the total cannot remain within 32,768 words, update the supported memory plan before ordering.
How should several memory boards be restored around 1775-ME8?
Return every board to its photographed order and keep the thumbwheels consecutive from position 1. Hold startup if any catalog or position remains uncertain.
What does a damaged card edge mean for a received 1775-ME8?
Do not install the board. Record the damage, compare the full label with the purchase record, and resolve the receiving issue before the scheduled outage.
Why should the saved project be opened before removing 1775-ME8?
A readable archive is the recovery path for the program and data held in controller memory. If the available workstation cannot open it, restore the backup process before touching the chassis.
What should I include in a purchase request for 1775-ME8?
Send the full catalog label, confirmed 32K requirement, saved module-status entry, current thumbwheel order, and clear photographs of the board and connector.