{"product_id":"yokogawa-sai143-h53-s3-prosafe-rs-16-channel-analog-input-module","title":"Yokogawa SAI143-H53 S3 ProSafe-RS 16-Channel Analog Input Module","description":"\u003ch2\u003eYokogawa SAI143-H53 S3 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for 4-20 mA current signal acquisition in CENTUM VP and ProSafe-RS platforms, the \u003cstrong\u003eYokogawa SAI143-H53 S3\u003c\/strong\u003e (\u003cstrong\u003eSAI143-H53\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution for safety-critical process loops.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAI143\u003c\/strong\u003e: 16-Channel Isolated Analog Input Module (4 to 20 mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-H\u003c\/strong\u003e: HART communication protocol pass-through support (HART 5, 6, and 7)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e: Basic module type for non-redundant or dual-redundant configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\u003c\/strong\u003e: ISA Standard G3 conformal coating and extended operating temperature (-20 deg C to +70 deg C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS3\u003c\/strong\u003e: Style code 3 hardware execution\u003c\/li\u003e\n\u003c\/ul\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\u003eSAI143-H53 S3\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\u003e0.81 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 45 x 245 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e320 mA at 5 VDC, 550 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels (4 to 20 mA DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003e16-bit resolution, 40 ms data update cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-16 uA over 0.05 to 23 mA input range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Isolation\u003c\/td\u003e\n\u003ctd\u003e1.5 kV AC dielectric strength for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe SAI143-H53 S3 digitizes 4-20 mA signals from transmitters while supplying integrated 2-wire loop power between 16.15 and 26.4 VDC. Dedicated channel-to-channel isolation circuits prevent electrical cross-talk, common-mode ground loops, and field voltage spikes from affecting adjacent measurement paths. Pass-through support for HART 5, 6, and 7 protocols facilitates real-time device health monitoring and diagnostic parameter retrieval without interrupting analog logic processing.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What happens to the module input impedance if system power is lost?\u003c\/p\u003e\n\u003cp\u003eA: During powered operation, input impedance remains fixed at 250 ohms. Under power-off conditions, input impedance increases to \u0026gt;=500 kohms to protect connected transmitter loops against loading faults.\u003c\/p\u003e\n\u003cp\u003eQ: Is the SAI143-H53 S3 module certified for use in safety instrumented systems?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module features ISA G3 conformal coating for harsh environment protection and achieves SIL3 capability when integrated into dual-redundant ProSafe-RS system architectures.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the SAI143-H53 S3 module vertically into its assigned rack slot on the base rack, ensuring the top and bottom retention fasteners snap into place. Connect field cables using approved pressure clamp or MIL-spec connector terminal blocks. Ensure all field signal cable shields connect to a dedicated instrument grounding rail at a single point to prevent high-frequency noise from interfering with 4-20 mA analog measurements.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43895535370330,"sku":"SAI143-H53 S3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/380._689d8ddb-9abd-4108-aa7a-0da53eafb3fe.jpg?v=1787540221","url":"https:\/\/www.spareoil.com\/products\/yokogawa-sai143-h53-s3-prosafe-rs-16-channel-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}