{"product_id":"yokogawa-acm11-s2-centum-vp-dcs-communication-module","title":"Yokogawa ACM11-S2 CENTUM VP DCS Communication Module","description":"\u003ch2\u003eYokogawa ACM11-S2 Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ACM11-S2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eACM11\u003c\/strong\u003e Communication Module, operates as a dedicated hardware component for bridging field devices and control processors within Yokogawa CENTUM CS \/ VP DCS systems platforms. The interface hardware handles point-to-point asynchronous communication routines across RS-232C, RS-422, and RS-485 physical channels, managing data transfer throughput rates up to 230 Kbps.\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\u003eACM11-S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e0.28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 mm x 115 mm x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0-50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e250 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquipment Category\u003c\/td\u003e\n\u003ctd\u003ePLC\/DCS Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Protocol\u003c\/td\u003e\n\u003ctd\u003eRS-232C, RS-422, RS-485 Serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Data Throughput\u003c\/td\u003e\n\u003ctd\u003e230 Kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between field and system bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant support with compatible baseplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Integration\u003c\/h3\u003e\n\u003cp\u003eThe ACM11-S2 implements a dedicated 4-20 mA HART loop protocol layer paired with FOUNDATION Fieldbus \/ Profibus PA connectivity parameters to align external serial instruments with the primary control processors. Physical galvanic isolation boundaries separate the field terminal circuitry from the internal system bus, absorbing high-frequency common-mode electrical noise and neutralizing ground loop propagation. The module routes asynchronous data packets directly into the backplane bus, executing automated error detection and frame retransmission routines to maintain deterministic communication performance while offloading processing cycles from the main DCS controller node.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the ACM11-S2 maintain communication uptime if a serial connection path breaks?\u003c\/p\u003e\n\u003cp\u003eA: The hardware architecture supports full dual-redundancy when installed on a compatible redundant baseplate slot layout. An integrated system watchdog tracks data frame continuity, enabling the active DCS processors to execute a hardware switchover to the secondary parallel module within one network scan cycle if line faults are verified.\u003c\/p\u003e\n\u003cp\u003eQ: What are the specific power supply requirements for a single ACM11-S2 card edge interface?\u003c\/p\u003e\n\u003cp\u003eA: The communication module draws its operational power directly from the internal system baseplate backplane. The physical electrical load is rated at 250 mA at 5 VDC, resulting in an active hardware power draw of less than 1.25 W during continuous data transmission cycles.\u003c\/p\u003e\n\u003cp\u003eQ: Can the physical serial port parameters be modified directly on the hardware during installation?\u003c\/p\u003e\n\u003cp\u003eA: No physical DIP switch or jumper adjustments exist on the module body. All baud rates up to 230 Kbps, parity configurations, stop bits, and protocol selections (RS-232C\/422\/485) are set programmatically via the engineering workstation tools during system configuration download.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the ACM11-S2 module vertically into the designated baseplate slot until the specialized system interface pins fully seat into the backplane connectors. Tighten the card retention fasteners to lock the 0.28 kg chassis against vibration vectors and prevent intermittent terminal contact resistance.\u003c\/p\u003e\n\u003cp\u003eRun all RS-232C, RS-422, and RS-485 serial field cables inside dedicated, grounded low-voltage instrument ducts. Keep these communication paths physically separated from high-voltage AC motor lines to eliminate inductive RFI\/EMI coupling. Connect cable shield drains directly to the plant instrument earth ground bar rather than the local rack chassis frame. Ensure cabinet convection pathways remain unblocked to prevent ambient internal temperatures from exceeding the 50 deg C standard industrial operating specification limit.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43763220840538,"sku":"ACM11-S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/676..jpg?v=1785399441","url":"https:\/\/www.spareoil.com\/products\/yokogawa-acm11-s2-centum-vp-dcs-communication-module","provider":"SpareOil Automation","version":"1.0","type":"link"}