{"product_id":"ci867k01-3bse043660r1-abb-ac-800m-modbus-tcp-interface","title":"CI867K01 3BSE043660R1 ABB AC 800M Modbus TCP Interface","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCI867K01\u003c\/strong\u003e (Part Number: \u003cstrong\u003e3BSE043660R1\u003c\/strong\u003e, ABB Type Designation: CI867AK01) is a high-performance Ethernet communication interface subsystem designed for the AC 800M controller line. Operating as a dual Ethernet Modbus TCP master\/slave gateway, this module enables seamless deterministic data interchange between System 800xA automation architectures and third-party PLCs, power meters, variable frequency drives, or smart instrumentation platforms over standard IEEE 802.3 networks.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCI867K01\u003c\/strong\u003e assembly delivers a complete hardware package comprising the CI867A communication processing unit and its dedicated TP867 baseplate module. Built with dual RJ45 Ethernet interfaces, the subsystem supports master and slave operations concurrently while offloading network stack processing from the main controller CPU.\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #0056b3; color: #ffffff;\"\u003e\n\u003cth style=\"text-align: left; width: 35%;\"\u003eEngineering Attribute\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 65%;\"\u003eTechnical Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer \u0026amp; Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/ac-800m\"\u003eAC 800M\u003c\/a\u003e System \/ System 800xA Architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eCI867K01\u003c\/strong\u003e \/ CI867AK01 (Part Number: \u003cstrong\u003e3BSE043660R1\u003c\/strong\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x CI867A Communication Unit + 1 x TP867 Baseplate Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModbus TCP (Master and Slave functionality)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x 10\/100Base-T Ethernet RJ45 Ports (Ch1, Ch2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Bus Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCEX-Bus Extension Rail Connector via TP867\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal supply via CEX-Bus backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 W typical heat output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e59 mm (W) x 186 mm (H) x 127.5 mm (D); Net Weight: 0.70 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20 (IEC 60529)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoHS Directive 2011\/65\/EU compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eCEX-Bus Integration \u0026amp; System Execution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMounts directly onto the AC 800M CEX-Bus extension rail using the TP867 baseplate locking assembly.\u003c\/li\u003e\n\u003cli\u003eSupports asynchronous Modbus TCP read\/write command blocks (FC1, FC2, FC3, FC4, FC5, FC6, FC15, FC16).\u003c\/li\u003e\n\u003cli\u003eIsolates protocol conversion processing entirely within the CI867A unit, preserving controller execution speed.\u003c\/li\u003e\n\u003cli\u003eFacilitates multi-master Modbus TCP polling loops across dual isolated Ethernet subnets simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Field Integration Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstation Power Monitoring:\u003c\/strong\u003e Interfacing System 800xA with protective relays, power quality meters, and digital trip units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVFD Network Integration:\u003c\/strong\u003e Multi-drop Ethernet control over medium-voltage variable speed drives across process lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Unit Gateway:\u003c\/strong\u003e Integrating third-party skid packages (chillers, compressors, water treatment skids) running Modbus TCP into main DCS control logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC \u0026amp; Building Management:\u003c\/strong\u003e Cross-protocol data bridging between industrial automation networks and plant facility control hubs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Capabilities \u0026amp; Fault Handling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFront-panel LED status indicators report operational RUN\/FAIL states, CEX-Bus health, and per-port Ethernet Link\/Activity status.\u003c\/li\u003e\n\u003cli\u003eProgrammatic communication health flags integrated into Control Builder software for automatic timeout detection.\u003c\/li\u003e\n\u003cli\u003eDiagnostic counters track socket connection drops, invalid CRC frame counts, and unacknowledged request buffers in real time.\u003c\/li\u003e\n\u003cli\u003eSupports online hot-swap maintenance, permitting module exchange without interrupting adjacent modules on the CEX-Bus rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen integrating the \u003cstrong\u003eCI867K01\u003c\/strong\u003e interface into large-scale plant networks, socket resource management is critical to prevent connection starvation. A common engineering mistake in complex Modbus TCP architectures is assigning excessively short cycle times (under 50 ms) to multiple master transaction blocks, which overwhelms the internal TCP connection buffer of third-party slave devices.\u003c\/p\u003e\n\u003cp\u003eDuring a chemical plant expansion, an engineering team observed intermittent socket timeout alarms on a newly commissioned \u003cstrong\u003eCI867K01\u003c\/strong\u003e unit linked to 16 digital power monitors. Network trace analysis revealed that the slave devices were dropping connections due to rapid, unsynchronized request bursts. By re-structuring the Control Builder execution group to stagger transaction polling cycles and grouping consecutive register addresses into single FC3 read blocks, network traffic dropped by 65%, establishing stable, zero-loss communication across all connected nodes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLogistics, Packaging \u0026amp; Warranty Terms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Protected by a full 12-month factory-grade replacement warranty effective from dispatch date.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Priority Courier:\u003c\/strong\u003e Expedited international shipping available via FedEx, UPS, and DHL Express.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Dispatch:\u003c\/strong\u003e Prepared and shipped from warehouse inventory within 24 to 48 hours following order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection \u0026amp; Application FAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat items are included in the CI867K01 factory hardware package?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe package contains one CI867A communication processing unit and one matching TP867 CEX-Bus baseplate required for mounting onto the controller rack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan both Ethernet ports on the CI867A module be configured on different IP subnets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, port 1 and port 2 function as independent network interfaces, allowing the module to bridge communications between two isolated Modbus TCP subnets concurrently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do control engineers diagnose connection drops occurring on specific Modbus TCP slave nodes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMonitor the status output parameter of the Modbus TCP function block within Control Builder; status codes such as -7001 or -7002 indicate socket connection timeouts or invalid response frames from target slave IP addresses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CI867K01 compatible with older AC 800M CPU models during system retrofits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the system firmware version running on the main CPU cluster supports the CI867A hardware library within Compact Control Builder or System 800xA engineering software tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many Modbus TCP slave devices can be linked to a single CI867A module channel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the network physical layer allows standard Ethernet topology expansion, software performance depends on transaction cycle times; capping each interface channel at 10 to 15 active slave units ensures optimal response times.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45401424756918,"sku":"CI867K01","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/CI867K01.jpg?v=1788423687","url":"https:\/\/www.plcsparehub.com\/products\/ci867k01-3bse043660r1-abb-ac-800m-modbus-tcp-interface","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}