{"product_id":"tc-mux021-51404391-375-serial-interface-modules-honeywell","title":"TC-MUX021 51404391-375 | Serial Interface Modules | Honeywell","description":"\u003ch2\u003eHoneywell TC-MUX021 Serial Interface Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for dual-channel serial data exchange in Honeywell Experion PKS and TDC 3000 platforms, the \u003cstrong\u003eHoneywell TC-MUX021 (51404391-375)\u003c\/strong\u003e (\u003cstrong\u003eTC-MUX021\u003c\/strong\u003e Serial Interface Module) provides direct physical and electrical execution for bidirectional communication between control processors and external serial devices.\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\u003eTC-MUX021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e51404391-375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSerial Interface Modules\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\u003eApprox. 0.3 kg to 0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 110 mm x 90 mm x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMaximum 10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e2 independent serial channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Form Factor\u003c\/td\u003e\n\u003ctd\u003eDouble-width I\/O chassis module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.3 A at 5.1 VDC; 1.0 A at 3.3 VDC; 5.6 mA at 1.2 VDC; 4 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eEIA-232 \/ RS-232C\/D and EIA-485 \/ RS-485 through compatible FTAs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU, Allen-Bradley DF1, and custom serial protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Location Rating\u003c\/td\u003e\n\u003ctd\u003eClass I, Division 2, Groups A, B, C, D, Temp Code T4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Serial Communication and Signal Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe TC-MUX021 performs serial signal processing between Honeywell control processors and external subsystems through Field Termination Assemblies. The module provides two independent serial communication channels with bidirectional data transfer capability.\u003c\/p\u003e\n\u003cp\u003eThe module supports serial protocol conversion and transparent communication functions for external devices requiring RS-232 or RS-485 physical connections. Moreover, the serial processing workload is separated from the primary controller execution layer, allowing dedicated communication handling within the I\/O subsystem.\u003c\/p\u003e\n\u003cp\u003eFor Honeywell process control installations, communication paths may include Modbus RTU devices, analyzer systems, variable frequency drives, flow measurement equipment, and other serial-based instruments. Channel-to-channel electrical separation is maintained through the module hardware design to support distributed process signal integration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How many serial communication channels are available on the TC-MUX021?\u003c\/p\u003e\n\u003cp\u003eA: The TC-MUX021 provides two independent serial communication channels for bidirectional data exchange through compatible Field Termination Assemblies.\u003c\/p\u003e\n\u003cp\u003eQ: What type of physical serial interfaces are supported by this module?\u003c\/p\u003e\n\u003cp\u003eA: The module supports EIA-232 and EIA-485 physical interfaces through applicable FTAs for connection with external serial devices.\u003c\/p\u003e\n\u003cp\u003eQ: What power requirements must be considered during chassis installation?\u003c\/p\u003e\n\u003cp\u003eA: The module requires chassis power evaluation based on its backplane current consumption values, including 1.3 A at 5.1 VDC and 1.0 A at 3.3 VDC.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the TC-MUX021 in the designated Honeywell I\/O chassis slot according to the system hardware configuration documentation.\u003c\/p\u003e\n\u003cp\u003eVerify that the chassis power supply capacity supports the module backplane load before installation. Use approved Field Termination Assemblies for external serial wiring connections.\u003c\/p\u003e\n\u003cp\u003eMaintain proper cable routing separation between serial communication wiring and high-voltage power conductors to reduce electrical interference. Apply shielded communication cables where required, and connect cable shields according to the site grounding standard.\u003c\/p\u003e\n\u003cp\u003eConfirm RS-232 or RS-485 wiring polarity before commissioning. Check communication parameters, including baud rate, parity, and protocol configuration, before enabling data exchange with external devices.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44357094244440,"sku":"TC-MUX021 51404391-375","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/TC-MUX02151404391-375.jpg?v=1783670493","url":"https:\/\/www.industriaxplc.com\/ar\/products\/tc-mux021-51404391-375-serial-interface-modules-honeywell","provider":"IndustriaX Limited","version":"1.0","type":"link"}