{"product_id":"yokogawa-apm11-pulse-input-module","title":"Yokogawa APM11 Pulse Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa APM11\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAPM11\u003c\/strong\u003e Pulse Input Module, serves as the primary \u003cstrong\u003eAPM11\u003c\/strong\u003e Pulse Input Module utilized to execute high-speed pulse frequency processing and volumetric flow counting across Centum VP control system platforms. It conditions incoming digital frequency waves from industrial flowmeters and transforms them into calibrated process variables without latency.\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\u003eAPM11\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\u003e0.1 kg (4.0 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e7.6 cm x 0.0 cm x 17.8 cm (3.0\" x 0.0\" x 7.0\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +55 deg C typical industrial operational environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem backplane current draw consumption limits apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePulse Input Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Array\u003c\/td\u003e\n\u003ctd\u003eHigh-frequency pulse streams from field-mounted flowmeters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Array\u003c\/td\u003e\n\u003ctd\u003e4-20 mA analog output, independent pulse output replication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eBRAIN protocol, HART digital multi-drop protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Configuration\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or dedicated baseplate panel mount options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDistributed Process Control \u0026amp; Fieldbus Topologies\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol and Fieldbus Routing Layer\u003c\/strong\u003e The module manages local communication bus density, digitizing physical process telemetry from high-frequency pulse trains. It processes 4-20 mA HART and BRAIN digital variables overlaying the analog signal path, parsing the configuration data streams before packet encapsulation to ensure error-free transmission over the primary DCS backplane bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation and Optical Safety Controls\u003c\/strong\u003e Internal circuit paths integrate galvanic isolation blocks to interrupt high-voltage transients between the power rails, logical bus elements, and adjacent I\/O sub-assemblies. This prevents localized field ground loops from compromising backplane stability and eliminates electrical crosstalk across high-density signal channels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the APM11 module dual-process raw pulse signals into concurrent analog and frequency outputs?\u003c\/p\u003e\n\u003cp\u003eA: The incoming frequency stream passes simultaneously into an internal counter register and a high-accuracy digital-to-analog converter (DAC). The logic engine updates the 4-20 mA analog register for standard loop routing while keeping the discrete pulse output channel open to mirror the unscaled frequency counts to external totalizers.\u003c\/p\u003e\n\u003cp\u003eQ: What are the field wiring limits when interfacing BRAIN and HART transmitters to the input channels?\u003c\/p\u003e\n\u003cp\u003eA: The input circuitry automatically filters high-frequency carrier waves to decouple the digital HART\/BRAIN commands from the primary frequency signal. Field wiring loops must utilize shielded twisted-pair cables, and loop impedance must remain between 230 and 600 ohms to allow clean digital modulation without degrading pulse threshold detection.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47624157921470,"sku":"APM11","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-12_09-35-05.png?v=1781229633","url":"https:\/\/www.autooiltech.com\/ar\/products\/yokogawa-apm11-pulse-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}