{"product_id":"allen-bradley-1784-pcmk-type-ii-communication-card","title":"Allen Bradley 1784-PCMK Type II Communication Card","description":"\u003cp\u003eConfigured for multi-protocol serial communication in industrial computing and PLC platforms, the \u003cstrong\u003eAllen Bradley 1784-PCMK\u003c\/strong\u003e (\u003cstrong\u003e1784-PCMK\u003c\/strong\u003e Communication Card) provides direct physical and electrical execution of Data Highway Plus (DH+), DH485, and Remote I\/O network connectivity.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1784-PCMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.06 lbs (0.03 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eType II PCMCIA standard form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDerived from host PCMCIA bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols\u003c\/td\u003e\n\u003ctd\u003eDH+, DH485, Remote I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1784-PCMK module facilitates physical layer connectivity between host computing devices and legacy Allen Bradley PLC-5 or SLC network architectures. Backplane bus communication velocity is dictated by the PCMCIA bus interface and the specific protocol timing requirements of the selected network. Deterministic performance is maintained through hardware-level timing control managed by the card's internal processor. Firmware flash compatibility is required to ensure alignment with the driver versions installed on the host operating system. Users must manage I\/O density scaling based on the network load constraints associated with the DH+ or Remote I\/O protocol limits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1784-PCMK support hot-insertion into a PCMCIA slot?\u003c\/p\u003e\n\u003cp\u003eA: While the PCMCIA standard allows for hot-insertion, the card is electrostatic discharge (ESD) sensitive. Always ensure the host device and card are properly grounded before insertion to prevent damage to the interface circuitry.\u003c\/p\u003e\n\u003cp\u003eQ: Which cables are required to interface the card with a DH+ or Remote I\/O network?\u003c\/p\u003e\n\u003cp\u003eA: The card requires the 1784-PCM2\/B or 1784-PCM4\/B interface cables. These cables provide the necessary electrical impedance matching and connector transition from the card's proprietary interface to the standard industrial network trunks.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Precautions:\u003c\/strong\u003e Utilize a grounded wrist strap when handling the card. Avoid touching the connector pins or the circuit board components directly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Insert the card into an available Type II PCMCIA slot on the host device. Ensure the card is fully seated to guarantee connection of all data bus pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Attachment:\u003c\/strong\u003e Secure the appropriate 1784-PCM interface cable to the card. Ensure the connector locking mechanism is engaged to prevent accidental disconnection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver Configuration:\u003c\/strong\u003e Verify that the host system recognizes the card and that the correct communication drivers are initialized. Configure the software port settings to match the target network protocol (DH+, DH485, or Remote I\/O).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Ensure the installation environment meets Pollution Degree 2 and Overvoltage Category II requirements to prevent premature hardware degradation.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53523369001144,"sku":"1784-PCMK","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1784-PCMK.jpg?v=1780026025","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1784-pcmk-type-ii-communication-card","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}