{"product_id":"yokogawa-mac2-a-centum-multipoint-analog-control-card","title":"Yokogawa MAC2*A CENTUM Multipoint Analog Control Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa MAC2*A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMAC2\u003c\/strong\u003e Multipoint Analog Control Card, operates as a dedicated hardware component for multi-loop analog signal conditioning and process variable control within Yokogawa CENTUM DCS platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode Element\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification \/ Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMAC2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase model designation for multipoint analog control card series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e*\u003cstrong\u003eA\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eStyle code Revision A specifying terminal interface layout and hardware revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eMAC2*A\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\u003e0.694 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard CENTUM nest card format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC +\/-10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMultipoint Analog I\/O Control Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM DCS Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Functionality\u003c\/td\u003e\n\u003ctd\u003eIndependent multi-loop process control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Interface\u003c\/td\u003e\n\u003ctd\u003eSystem Bus Connector and M4 Screw Terminals (via nest)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Process Loop Control\u003c\/h3\u003e\n\u003cp\u003eThe MAC2*A analog control card routes multiple independent process control loops across the CENTUM DCS system backplane. Designed with channel-to-channel isolation across signal lines, the module mitigates common-mode electrical noise and prevents ground potential loop currents between field transmitters and control logic. The hardware conditions 4-20 mA HART loop protocol signals and analog process inputs—such as temperature, flow, and pressure variables—translating physical field measurements into synchronized digital values for continuous DCS loop execution.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What physical interfaces handle system and field connections on the MAC2*A card?\u003c\/p\u003e\n\u003cp\u003eA: Field signal wiring connects through M4 screw terminals on the mounting nest assembly, while system-level backplane communication is established through the integrated system bus connector.\u003c\/p\u003e\n\u003cp\u003eQ: How does the MAC2*A card suppress electrical noise across adjacent analog control loops?\u003c\/p\u003e\n\u003cp\u003eA: Galvanic channel-to-channel isolation barriers decouple individual control loop circuits, preventing ground potential differentials and cross-channel electrical interference.\u003c\/p\u003e\n\u003cp\u003eQ: What is the input voltage tolerance for powering the MAC2*A module?\u003c\/p\u003e\n\u003cp\u003eA: The card operates from a nominal 24 VDC power supply with an acceptable input voltage fluctuation range of +\/-10% (21.6 VDC to 26.4 VDC).\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCard Insertion:\u003c\/strong\u003e Slide the MAC2*A card along the guide rails of the designated CENTUM card nest slot. Seat the backplane bus connector firmly into the backplane socket and secure retaining fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Termination:\u003c\/strong\u003e Connect field instrument wiring to the M4 screw terminals on the nest terminal block. Tighten terminal screws to standard engineering torque (0.8 to 1.2 N-m) to prevent loose contact under cabinet vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding Practices:\u003c\/strong\u003e Ground signal cable shield drain wires at the cabinet functional earth (FE) bus bar at a single termination point. Do not connect shields to both the field device chassis and the DCS terminal block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage Check:\u003c\/strong\u003e Measure the 24 VDC power supply output under load to confirm voltage levels remain within the 21.6 VDC to 26.4 VDC range prior to loop commissioning.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53280653902133,"sku":"MAC2*A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/MAC2A.png?v=1786675783","url":"https:\/\/www.5gplc.com\/products\/yokogawa-mac2-a-centum-multipoint-analog-control-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}