{"product_id":"acm11-rs-232c-communication-module-yokogawa","title":"ACM11 RS-232C  | Communication Module | Yokogawa","description":"\u003ch2\u003eYokogawa ACM11 RS-232C Communication Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for serial data exchange in Yokogawa CENTUM distributed control systems, the \u003cstrong\u003eYokogawa ACM11-S2\u003c\/strong\u003e (base model \u003cstrong\u003eACM11\u003c\/strong\u003e RS-232C Communication Module) provides direct physical and electrical execution of point-to-point data links between Field Control Units and external subsystems.\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 Brand\u003c\/td\u003e\n\u003ctd\u003eYokogawa ACM11-S2\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\u003e0.86 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eProprietary slot-in card form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Standard\u003c\/td\u003e\n\u003ctd\u003eRS-232C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 230 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 15 m (without line drivers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eLFS2210 (FA-M3), LFS2211 (DARWIN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFOUNDATION Fieldbus and Profibus PA Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe ACM11 operates within legacy CENTUM I\/O architectures where integration with fieldbus-connected instruments requires deterministic timing alignment at the module level. In multi-drop configurations, channel-level synchronization ensures that RS-232C data packets do not collide with parallel fieldbus schedules. Electrical noise immunity is maintained through backplane shielding practices consistent with Yokogawa’s analog\/digital I\/O nests.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the ACM11 be hot-swapped while the Node Interface Unit is powered?\u003c\/p\u003e\n\u003cp\u003eA: No. Removal or insertion must occur only after confirming zero backplane power to prevent transient voltage spikes.\u003c\/p\u003e\n\u003cp\u003eQ: Is firmware upgrade possible directly on the ACM11 hardware?\u003c\/p\u003e\n\u003cp\u003eA: Firmware functions are handled by the host system software; the module itself contains no user-upgradable firmware storage.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum sustained data throughput under protocol LFS2210?\u003c\/p\u003e\n\u003cp\u003eA: Throughput depends on cable length and connected device latency but will not exceed 230 kbps per RS-232C limits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the ACM11 into a designated Analog\/Digital I\/O Module Nest (AMN11\/AMN31 or compatible Node Interface Unit). Ensure all mounting latches fully engage to maintain proper backplane contact. Use shielded twisted-pair cabling for RS-232C connections, terminating the shield at the nest ground point only. Maintain separation from high-voltage power wiring to reduce electromagnetic interference. Verify pin assignments against the subsystem documentation before applying power.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44203090018392,"sku":"ACM11","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/ACM11-3.jpg?v=1780889753","url":"https:\/\/www.industriaxplc.com\/ar\/products\/acm11-rs-232c-communication-module-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}