{"product_id":"abb-ci840a-ea-profibus-communication-interface","title":"ABB CI840A-EA PROFIBUS Communication Interface","description":"\u003cp\u003eThe \u003cstrong\u003eABB CI840A-EA\u003c\/strong\u003e, representing the specialized configuration of the \u003cstrong\u003eCI840A\u003c\/strong\u003e Communication Interface, operates as a dedicated hardware component for slave bus routing within PROFIBUS DP-V1 networks.\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\u003eCI840A-EA (3BSE041882R1 Variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFactory Standard Global Site\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg (0.44 lbs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e54 mm x 119 mm x 96 mm (2.13 in. x 4.69 in. x 3.78 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eCertified for standard industrial infrastructure environment gradients\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e190 mA typical at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Interface Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS DP-V1 (Slave)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Redundancy\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Redundancy\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Swap Capability\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Compatibility\u003c\/td\u003e\n\u003ctd\u003eUsed together with HI Controller platforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Drives (PLC\/DCS\/Drives) Attributes\u003c\/h3\u003e\n\u003cp\u003eThe CI840A-EA manages deterministic protocol processing and continuous backplane bus communication velocity Licences verification across expansion subracks. To transfer discrete process parameters and transmit diagnostics concurrently without data attenuation, the interface engine executes integrated firmware tracking sequences. This infrastructure enforces full compatibility with Profinet \/ EtherNet\/IP deterministic networks and legacy fieldbuses, stabilizing database scaling factors when processing live data from connected HI Controller architectures.\u003c\/p\u003e\n\u003cp\u003eBecause the communication node coordinates real-time subrack clustering, the structural hardware supports extensive I\/O density scaling options across the remote cluster. The memory management units run optimized register loops that support full module and line redundancy mapping without dropping packet frames. These features stabilize processing cycles under maximum transceiver traffic loads, allowing high-availability configurations to execute without backplane transport faults or firmware flash compatibility mismatches.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the hot-swap function preserve data integrity across the backplane bus during active module replacement?\u003c\/p\u003e\n\u003cp\u003eA: The onboard hot-swap circuitry controls internal rail isolation pins when the module is unseated from the terminal base. This hardware decoupling isolates live backplane bus lines, preventing electrical transit noise and voltage sags from generating data parity faults on adjacent running interfaces.\u003c\/p\u003e\n\u003cp\u003eQ: What redundancy transition delays occur inside the PROFIBUS slave loops when a primary line failure is detected?\u003c\/p\u003e\n\u003cp\u003eA: When a line or module disruption occurs, internal switching logic transfers the network tracking parameters to the backup hardware node within the standard PROFIBUS DP-V1 bus cycle limits. This rapid changeover prevents data timeouts in the master CPU registers.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45060857069683,"sku":"CI840A-EA","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/2_8b00dade-17b4-422d-9870-b3bedbb63b2d.png?v=1780379479","url":"https:\/\/www.dcssupplier.com\/products\/abb-ci840a-ea-profibus-communication-interface","provider":"DcsSupplier Limited","version":"1.0","type":"link"}