{"product_id":"ys170-012-yokogawa-single-loop-programmable-controller","title":"YS170-012 Yokogawa Single Loop Programmable Controller","description":"\u003ch2\u003eYokogawa YS170-012 Single Loop Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa YS170-012\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eYS170\u003c\/strong\u003e Manual\/Auto Station Controller, operates as a dedicated hardware component for process variable regulation and manual-to-automatic transfer execution within panel-mounted loop control systems. It processes 4-20 mA DC analog input signals, executing low-latency calculations to adjust output loops while preventing output surges during operating mode switching.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe catalog options for the Yokogawa YS170 controller series configure physical electrical interfaces and power supply ratings:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYS170\u003c\/strong\u003e: Designates the core single-loop programmable indicating controller base model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-0\u003c\/strong\u003e: Specifies standard hardware options and housing configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e: Internal manufacturing revision code (fixed position).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\u003c\/strong\u003e: Selects the 220 VAC power supply operational rating (100-240 VAC range supported).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA31\u003c\/strong\u003e: Optional suffix indicating integrated RS-485 communication module interfaces.\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\u003eYS170-012\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\u003e1.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e96 mm x 96 mm x 150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 VA (at 100-240 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC (Process Variable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC (Setpoint \/ Manipulated Variable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e4-digit dual LED display for PV and SP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between input, output, and power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel mount (standard DIN cutout)\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 module incorporates analog isolation pathways capable of routing process signals to DCS nodes while preserving 4-20 mA HART loop protocol integrity across field instrument channels. Internal channel-to-channel isolation barriers eliminate potential ground loops between the field-side transmitter input loop and the controller output driver circuitry. High-voltage galvanic isolation protects internal digital processing components from common-mode voltage spikes and transient electrical noise, ensuring precise signal scaling and cold junction compensation stability across industrial operating ranges.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the bumpless transfer feature function during manual-to-automatic mode changes on the YS170-012?\u003c\/p\u003e\n\u003cp\u003eA: The internal tracking circuit continuously aligns the automatic setpoint or output calculation with the active manual control value, eliminating output step jumps when switching operational modes.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting preparations are necessary for installing the YS170-012 into an instrument cabinet panel?\u003c\/p\u003e\n\u003cp\u003eA: The controller requires a standard 96 mm x 96 mm DIN panel cutout. Slide the unit through the front cutout and secure the mounting brackets against the panel wall to ensure structural stability and gasket compression.\u003c\/p\u003e\n\u003cp\u003eQ: Are the analog inputs and outputs of the YS170-012 isolated from the main AC line power supply?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The unit incorporates complete three-way galvanic isolation, insulating the 4-20 mA input loop, 4-20 mA output loop, and 100-240 VAC mains power circuit from one another.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003ePrepare a clean DIN-standard panel cutout measuring 96 mm by 96 mm, ensuring sufficient clearance behind the cutout for wiring harness depth. Insert the YS170-012 unit through the front of the panel cutout and tighten the top and bottom mounting clamps against the panel subplate. Route all 4-20 mA input and output signal wiring using twisted-shielded pair conductors, maintaining physical segregation from high-voltage AC mains power lines and motor leads. Connect all cable shields to a single instrument earth ground point to minimize external noise pickup. Verify that all terminal screws are torqued down securely before applying 100-240 VAC line power to the power input terminals.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43901651419226,"sku":"YS170-012","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/77._b07db7b9-1e67-43bf-8587-f6c90938a458.jpg?v=1787628927","url":"https:\/\/www.spareoil.com\/products\/ys170-012-yokogawa-single-loop-programmable-controller","provider":"SpareOil Automation","version":"1.0","type":"link"}