{"product_id":"1784-pcmk-allen-bradley-communication-card-plc-5","title":"1784-PCMK Allen-Bradley Communication Card PLC-5","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1784-PCMK\u003c\/strong\u003e (\u003cstrong\u003e1784PCMK\u003c\/strong\u003e Communication Card) provides PC-based communication access to DH+, DH485, and RIO networks through a compact PCMCIA Type II hardware interface.\u003c\/p\u003e\n\u003ch3\u003eCatalog Identification\u003c\/h3\u003e\n\u003cp\u003eThe supplied data identifies 1784-PCMK as a communication card for DH+, DH485, and RIO networks. The alternate catalog reference is 1784PCMK. The supplied product text also describes the card as a DeviceNet communication card; this conflicts with the stated DH+, DH485, and RIO function, so DeviceNet support is not treated as a confirmed specification.\u003c\/p\u003e\n\u003ch3\u003eElectrical and Mechanical Data\u003c\/h3\u003e\n\u003cfigure\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\u003eAlternate Model\u003c\/td\u003e\n\u003ctd\u003e1784PCMK\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePLC-5 Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interfaces\u003c\/td\u003e\n\u003ctd\u003eDH+, DH485, RIO\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\u003c\/td\u003e\n\u003ctd\u003e68-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCard Power\u003c\/td\u003e\n\u003ctd\u003e160 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e0.8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.73 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFT\/B Immunity\u003c\/td\u003e\n\u003ctd\u003e+\/-1 kV at 5 kHz on communication ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Transient Immunity\u003c\/td\u003e\n\u003ctd\u003e+\/-2 kV line-earth (CM) on communication ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to 65 deg C (-4 to 149 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.06 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e5.6 x 2.5 x 8.9 cm\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\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC-5 Network Communication\u003c\/h3\u003e\n\u003cp\u003eThe 1784-PCMK is specified for PC-based access to Allen-Bradley DH+, DH485, and RIO communication networks. Its PCMCIA Type II form factor allows the communication hardware to be installed directly in a compatible host computer interface.\u003c\/p\u003e\n\u003cp\u003eThe card power specification is 160 mA at 5 VDC, corresponding to the stated 0.8 W power dissipation. Communication-port immunity is specified at +\/-1 kV EFT\/B and +\/-2 kV line-earth surge transient conditions.\u003c\/p\u003e\n\u003cp\u003eThe supplied information does not define communication baud rates, maximum network nodes, cable length, software driver versions, or protocol-specific timing. These parameters should be verified against the applicable Allen-Bradley documentation.\u003c\/p\u003e\n\u003ch3\u003eOrdering Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1784-PCMK Communication Card\u003c\/li\u003e\n\u003cli\u003eCatalog reference: 1784PCMK\u003c\/li\u003e\n\u003cli\u003e68-pin communication interface\u003c\/li\u003e\n\u003cli\u003ePCMCIA Type II card format\u003c\/li\u003e\n\u003cli\u003eCommunication cables and host PC accessories are not specified in the supplied data\u003c\/li\u003e\n\u003cli\u003eSoftware, drivers, and configuration utilities are not included in the stated hardware specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Handling\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePCMCIA Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the host computer provides a compatible PCMCIA Type II interface.\u003c\/li\u003e\n\u003cli\u003eInsert the card without forcing the connector or card housing.\u003c\/li\u003e\n\u003cli\u003eConfirm the host configuration before connecting network communication cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse the applicable cable and termination arrangement for the selected DH+, DH485, or RIO network.\u003c\/li\u003e\n\u003cli\u003eKeep communication wiring separated from motor, contactor, and high-voltage conductors where practical.\u003c\/li\u003e\n\u003cli\u003eAvoid sharp cable bends and excessive mechanical loading at the card connector.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShielding and Grounding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFollow the network-specific shielding and grounding arrangement.\u003c\/li\u003e\n\u003cli\u003eAvoid connecting cable shields in a manner that creates unintended ground-current paths.\u003c\/li\u003e\n\u003cli\u003eInspect the 68-pin connector and communication cable before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe stated power dissipation is 0.8 W.\u003c\/li\u003e\n\u003cli\u003eDo not obstruct the host computer ventilation path around the PCMCIA interface.\u003c\/li\u003e\n\u003cli\u003eAllow the card to cool before handling after extended operation if the host enclosure has restricted airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat networks are specified for the 1784-PCMK?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied product parameters identify DH+, DH485, and RIO as the supported communication networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat host interface does the card use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe card uses a PCMCIA Type II form factor. The supplied information does not specify additional host bus requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat connector is specified?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA 68-pin connector is listed in the supplied product information. The exact pin assignment is not provided and should be taken from the applicable manual.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the card power requirement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe specified card power is 160 mA at 5 VDC. The listed power dissipation is 0.8 W.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the storage temperature range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStorage temperature is specified as -20 to 65 deg C, equivalent to -4 to 149 deg F.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the card suitable for hot swapping?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHot-swap capability is not established by the supplied data. Remove or install the card only according to the host computer and Allen-Bradley installation procedure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat communication-port immunity is specified?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEFT\/B immunity is listed as +\/-1 kV at 5 kHz on communication ports, while surge transient immunity is +\/-2 kV line-earth (CM).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the supplied data confirm DeviceNet support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Although the source description mentions DeviceNet, the stated product parameters identify DH+, DH485, and RIO. DeviceNet capability therefore remains unverified.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066450333869,"sku":"1784-PCMK","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1784-pcmk_1.jpg?v=1786072379","url":"https:\/\/www.maxwellplc.com\/products\/1784-pcmk-allen-bradley-communication-card-plc-5","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}