Allen-Bradley 1747-OCPCM2/A
Allen-Bradley 1747-OCPCM2/A
Allen-Bradley 1747-OCPCM2/A
Allen-Bradley 1747-OCPCM2/A
Allen-Bradley 1747-OCPCM2/A
Allen-Bradley 1747-OCPCM2/A
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1747-OCPCM2/A

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The Allen-Bradley 1747-OCPCM2/A is a dedicated PCMCIA interface module designed for the SLC 500 controller platform.
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Technical specifications for 1747-OCPCM2/A

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1747-OCPCM2/A
  • Product Family:
    SLC 500
  • PCMCIA Slots:
    2 (Dual-slot design)
  • Slot Occupancy:
    Single slot in SLC 500 modular chassis
  • Compatibility:
    SLC 500 Fixed and Modular Hardware systems
  • Physical Mounting:
    Rack/Chassis mounted
  • Environment:
    Pollution Degree 2 Industrial Environment
  • Weight:
    0.23 kg
  • Estimated shipping dimensions:
    14.5x3.5x14.2cm
  • 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 Specifications Use Cases Diagnostics & Protection Monitoring & Control

Features:

  • Interface Between PCMCIA Storage Media and SLC 500 Rack Backplane
  • Integrates Dual-Slot Memory Expansion with Local Data Logging Capability
  • Functions in Conjunction with SLC 500 Processors and I/O Modules
The Allen-Bradley 1747-OCPCM2/A operates as the PCMCIA Interface Module in an SLC 500 rack, providing reliable memory expansion and data storage capabilities to all compatible modules within the system. It continuously manages data transfer between inserted PCMCIA cards and the rack backplane, supporting real-time data logging and program storage for continuous operation of the controller and connected devices. Seamless data access is standard with the 1747-OCPCM2/A, and using high-capacity memory cards allows extended local storage of production data before scheduled uploads to host systems. The 1747-OCPCM2/A has made improvements in several areas over previous memory solutions in addition to incorporating standard PCMCIA compatibility within the SLC 500 rack.

The 1747-OCPCM2/A provides essential data handling functions common to the entire rack, and is a critical component of the data management path, directly affecting the proper, normal operation of the overall control system. One 1747-OCPCM2/A module can be installed per rack depending on the memory expansion requirements. The 1747-OCPCM2/A occupies only a single slot in the rack and can be positioned in available I/O slots.

For Enhanced Data Logging applications, the SLC 500 System utilizes the 1747-OCPCM2/A to store large batches of time-stamped events and performance metrics locally. In addition to standard data storage operation, the module also performs automatic buffering during network outages. The 1747-OCPCM2/A data retention system executes storage using the internal memory cards specified in the module specifications. Using this method, the local storage system continually accumulates critical production data. If the system detects that network communication is interrupted, it will automatically continue logging to the PCMCIA card and preserve all data for later retrieval.

The 1747-OCPCM2/A Allen-Bradley Interface Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1747-OCPCM2/A Interface Module Manuals,Datasheets,Link 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.
Allen-Bradley 1747-OCPCM2/A Interface Module Specs

General

  • Manufacturer Allen-Bradley
  • Model 1747-OCPCM2/A
  • Condition New Original ready stock
  • Product Family 1747-OCPCM2,1747-OCPCM1
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.
  • Data Logging: Utilizing PCMCIA cards for efficient data handling and storage in operations requiring high data throughput.
  • Memory Expansion: Increasing the memory capacity of SLC 500 systems for larger programs or data-intensive applications.
  • Functional Integration: Integrating various PCMCIA-based peripherals tailored to specific needs in sectors like automotive, pharmaceuticals, and food and beverage.
  • Durable Construction: Built to withstand typical industrial rigors, ensuring long-lasting performance and reliability.
  • Operational Readiness: Diagnostic capabilities (often indicated by LED status on related interface modules) help verify that the module is powered and functional.
  • Safety Compliance: The module meets standard industrial safety requirements, such as EN 61131-2, for programmable controllers.
  • Real-Time Data Exchange: Supports robust communication protocols that enhance data transfer rates between the controller and remote devices.
  • System Integration: Works seamlessly with existing SLC 500 processors to monitor and control automated processes without extensive reconfiguration.
  • Open Controller API Support: Compatible with Open Controller API software for developing custom control applications in MS-DOS or Windows NT environments.
Description
The Allen-Bradley 1747-OCPCM2/A is a specialized PCMCIA interface module designed for the SLC 500 controller platform. As part of the 1747-OC series of open controllers, the 1747-OCPCM2/A serves as a bridge between industrial PLC hardware and standard PC-based storage or communication cards. This module is engineered to occupy a single slot in an SLC 500 chassis, providing a dual-slot PCMCIA interface that enhances the data handling and storage capabilities of the base controller.

The 1747-OCPCM2/A was specifically designed to handle the challenge of limited onboard memory and restricted data logging capacity in standard PLC systems. In complex automation environments, the 1747-OCPCM2/A solves the problem of local data retention by allowing operators to insert high-capacity memory cards directly into the rack. This eliminated the need for continuous high-speed polling from an external SCADA system, as the 1747-OCPCM2/A could store large batches of production data locally before scheduled uploads.

In practical application scenarios, the 1747-OCPCM2/A is often deployed in remote monitoring stations or large-scale manufacturing lines, such as food processing or automotive assembly. For instance, in a remote water treatment facility, the 1747-OCPCM2/A is used to log historical sensor data during network outages, ensuring no critical information is lost. By integrating the 1747-OCPCM2/A, engineers solved the issue of data gaps during communication failures, as the module provides a reliable, localized buffer for time-stamped system events and performance metrics.

Furthermore, the 1747-OCPCM2/A addressed the difficulty of updating firmware or application programs in the field. Instead of requiring a direct laptop connection to every controller, the 1747-OCPCM2/A allows maintenance teams to execute program updates or configuration changes via portable PCMCIA cards. This streamlined the maintenance process for the SLC 500 platform, making the 1747-OCPCM2/A a vital tool for reducing downtime and improving system flexibility in diverse industrial settings.
Revisions

Revision Part #

Also known as

1747-OCPCM2 Ser A
1747-OCPCM2/A, Series A, Rev A
Alternative Names
1747-OCPCM1 1747-OCPCM2 1747-OCF
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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 is the Allen-Bradley 1747-OCPCM2/A module?
The Allen-Bradley 1747-OCPCM2/A is a PCMCIA interface module designed for the SLC 500 platform, enabling integration between PLC hardware and PC-based memory or communication cards.
How is the 1747-OCPCM2/A installed in a system?
The module occupies a single slot in an SLC 500 chassis while offering two PCMCIA card slots for flexible data handling and storage expansion.
What problem does the 1747-OCPCM2/A solve in PLC systems?
It addresses the limitation of onboard memory and restricted data logging capacity by enabling local storage of large volumes of data directly within the PLC system.