{"product_id":"allen-bradley-1784-pcmk-dh-communication-interface-card","title":"Allen-Bradley 1784-PCMK DH+ Communication Interface Card","description":"\u003ch2\u003eAllen-Bradley 1784-PCMK DH+ Communication Interface Card\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1784-PCMK\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1784-PCMK\u003c\/strong\u003e Communication Interface Card, operates as a dedicated hardware component for PC-based data exchange across DH+, DH485, and Remote I\/O communication networks within PLC 5 platforms. The PCMCIA Type II card provides a physical interface between computers and Allen-Bradley controllers.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.04 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003ePCMCIA Type II card format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC at 160 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Interface Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003ePLC 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Networks\u003c\/td\u003e\n\u003ctd\u003eDH+, DH485, Remote I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost Interface\u003c\/td\u003e\n\u003ctd\u003ePCMCIA Type II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e68 pin connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Devices\u003c\/td\u003e\n\u003ctd\u003ePLCs, SLCs, and PCs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cables\u003c\/td\u003e\n\u003ctd\u003e1784-PCM2\/B, 1784-PCM4\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment Rating\u003c\/td\u003e\n\u003ctd\u003ePollution Degree 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Rating\u003c\/td\u003e\n\u003ctd\u003eOvervoltage Category II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Sensitive\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1784-PCMK provides PC-based communication access to Allen-Bradley controller networks through DH+, DH485, and Remote I\/O protocols. The PCMCIA Type II hardware interface transfers network data between host computers and connected PLC or SLC controllers.\u003c\/p\u003e\n\u003cp\u003eThe module supports Rockwell Automation communication architectures through dedicated cable assemblies and maintains compatibility with PLC 5 and SLC controller environments. Firmware flash compatibility and communication driver configuration determine available protocol operation when connected to engineering or monitoring applications.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Which communication networks are supported by the 1784-PCMK?\u003cbr\u003eA: The 1784-PCMK supports DH+, DH485, and Remote I\/O communication networks.\u003c\/p\u003e\n\u003cp\u003eQ: What host connection type is used by the 1784-PCMK?\u003cbr\u003eA: The module uses a PCMCIA Type II interface with a 68 pin connector for connection to compatible computers.\u003c\/p\u003e\n\u003cp\u003eQ: What power input is required by the 1784-PCMK?\u003cbr\u003eA: The communication card operates from a 5 VDC supply provided through the PCMCIA interface with a current consumption of 160 mA.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1784-PCMK card into a compatible PCMCIA Type II slot with the host computer powered according to manufacturer installation procedures. Confirm connector alignment before inserting communication cables.\u003c\/p\u003e\n\u003cp\u003eUse compatible Allen-Bradley communication cables and route network wiring away from high-voltage conductors and strong electromagnetic noise sources. Maintain proper shielding and grounding practices for DH+ and Remote I\/O network installations.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, verify communication driver configuration and confirm network status through the connected PLC or engineering software interface.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43724927107162,"sku":"1784-PCMK","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1784-PCMK2.jpg?v=1784881946","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1784-pcmk-dh-communication-interface-card","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}