{"product_id":"yokogawa-acm12-s1-centum-series-communication-modules","title":"Yokogawa ACM12 S1 CENTUM Series | Communication Modules","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ACM12 S1\u003c\/strong\u003e serves as the primary \u003cstrong\u003eACM12\u003c\/strong\u003e Communication Module utilized to execute deterministic serial data routing across integrated production control system platforms. This hardware sub-assembly establishes dedicated RS-232C physical link paths to transfer register variables, configuration profiles, and system metrics between local automation nests and external peripheral equipment.\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\u003eACM12 S1 (Alternative catalog string: ACM12-S1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.90 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa card nest footprint profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial control room environment limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSourced via integrated system nest backplane power lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Port Configuration\u003c\/td\u003e\n\u003ctd\u003eRS-232C standard protocol interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Interface Type\u003c\/td\u003e\n\u003ctd\u003eMulti-pin serial connection ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Diagnostics\u003c\/td\u003e\n\u003ctd\u003eLocal faceplate LED indicator arrays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifecycle 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\u003eProcess Control Instrumentation and DCS Communication\u003c\/h3\u003e\n\u003cp\u003eThe communication module implements localized network conditioning matrices to maintain stable loop updates across separate distributed control domains. When linking data trends between field instruments—including parameters managed via the 4-20 mA HART loop protocol—and the central control architecture, the unit processes asynchronous data blocks over its RS-232C physical layer.\u003c\/p\u003e\n\u003cp\u003eTo prevent common-mode electrical noise propagation from distorting the digital registers, the hardware features built-in channel-to-channel isolation circuits. This decoupled topology blocks ground-loop currents originating from long, field-routed serial cabling, stabilizing data packaging routines and enforcing strict firmware data compatibility across the CENTUM net infrastructure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the cable length and physical layout boundaries for the integrated RS-232C channel?\u003c\/p\u003e\n\u003cp\u003eA: The RS-232C interface utilizes single-ended signaling paths that share a common reference ground. Because it lacks a differential electrical profile, lines must be kept inside standard engineering boundaries (typically under 15 meters \/ 50 feet) to prevent external electromagnetic interference from introducing bit errors into the data stream.\u003c\/p\u003e\n\u003cp\u003eQ: How do the internal diagnostic LEDs assist in verifying active serial link transactions?\u003c\/p\u003e\n\u003cp\u003eA: The front panel includes dedicated LED arrays that link directly to the internal transmit (Tx) and receive (Rx) lines. Rapid flashing patterns confirm continuous, high-speed data frame transmission, while a completely dark state alerts the technician to physical wire breaks, wrong pin configurations, or total hardware power loss.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47613916184766,"sku":"ACM12 S1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-08_11-02-41_975b7d24-ba7e-4f74-82f4-048971468ffd.png?v=1780887879","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-acm12-s1-centum-series-communication-modules","provider":"AutoOilTech Limited","version":"1.0","type":"link"}