{"product_id":"honeywell-51197155-300-communication-component","title":"Honeywell 51197155-300 Communication Component","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51197155-300\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51197155\u003c\/strong\u003e Communication Component, serves as the primary \u003cstrong\u003e51197155\u003c\/strong\u003e communication and interconnection device utilized to execute consistent data exchange across Honeywell TDC 3000 and Experion PKS Series C control platforms.\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\u003e51197155-300\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\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\u003e0.23 kg (0.5 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5 x 5 x 0.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (Module mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Current Draw\u003c\/td\u003e\n\u003ctd\u003e100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eRS-485 Serial Interface \/ Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 128 addressable devices per segment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eDB9 industrial connector (Cable mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Cable Length\u003c\/td\u003e\n\u003ctd\u003e3.05 m (10 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Network Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCS Serial Topology Scaling\u003c\/strong\u003e When deployed in its module configuration, the device drives multi-drop serial communication across distributed networks. Operating over RS-485 physical layers with Modbus RTU protocol parameters, it manages polling loops for up to 128 addressable slave nodes on a single network segment without dropping transmission packets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Shield Isolation\u003c\/strong\u003e In its factory-terminated cable configuration, the component utilizes an overall shielded PVC jacket that acts as an industrial noise barrier. The electrical pinout is optimized to maintain low insertion loss and high common-mode rejection ratios, isolating delicate controller logic gates from induced electromagnetic field transients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 51197155-300 manage line termination constraints across long RS-485 bus runs?\u003c\/p\u003e\n\u003cp\u003eA: When utilizing the module interface for multi-drop segments, external 120 ohm end-of-line termination resistors must be manually applied to the final physical node on the network loop. This prevents signal reflections from distorting the Modbus RTU pulse transitions.\u003c\/p\u003e\n\u003cp\u003eQ: Is the 24 VDC power connection reverse-polarity protected on the module block?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The internal circuit design contains an inline solid-state blocking diode that prevents hardware component failure if the 24 VDC power supply leads are accidentally cross-connected during commission field routines.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":47618381611198,"sku":"51197155-300","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-08_11-43-22_dc6c5ba6-f1e4-4a53-897d-8517a2729fe6.png?v=1781060599","url":"https:\/\/www.autooiltech.com\/ar\/products\/honeywell-51197155-300-communication-component","provider":"AutoOilTech Limited","version":"1.0","type":"link"}