{"product_id":"ge-st-3218-rsti-pacsystem-series-analog-input-module","title":"GE ST-3218 RSTi PacSystem Series Analog Input Module","description":"\u003cp\u003eConfigured for multi-channel current signal translation within RSTi PacSystem architectures, the \u003cstrong\u003eGE ST-3218\u003c\/strong\u003e (\u003cstrong\u003eST-3218\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\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\u003eST-3218\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Fanuc Emerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg (2.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e70 mm x 12 mm x 90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 - 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 60 mA @ 5 VDC (internal logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e8 Analog Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current Range\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e120 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Points per Common\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e4 ms for all channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack or Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility and Internal Bus Processing\u003c\/h3\u003e\n\u003cp\u003eThe module converts 8 independent 4-20 mA current loops using a localized 12-bit analog-to-digital converter array running a fixed 4 ms update loop across all channels. Internal logic relies on an instrumentation path with a precise 120 Ohms input impedance to manage loops while preserving signal linearity. Synchronous transmission across the local interface stack requires matching firmware flash compatibility structures to execute real-time register updates over Profinet \/ EtherNet\/IP deterministic networks without introducing transport frame drops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the ST-3218 module accommodate live insertion or extraction during system operation?\u003c\/p\u003e\n\u003cp\u003eA: No. The parallel backplane design of the RSTi PacSystem slice interface does not feature staggered power pins or physical isolation gates. Performing a hot-swap operation while the terminal assembly is energized can cause unexpected logic faults or hardware component damage.\u003c\/p\u003e\n\u003cp\u003eQ: How is the reference structure configured for the 8 loop circuits?\u003c\/p\u003e\n\u003cp\u003eA: The hardware routes all 8 analog input loops through a single common point. All 4-20 mA field transmitters wired to this block must share the identical electrical ground potential to prevent parasitic ground loop measurement offset errors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Rails Engagement:\u003c\/strong\u003e Mount the module into the designated base unit slots, keeping precise alignment along the terminal channel guides until the latching mechanism clicks into position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Loop Separation:\u003c\/strong\u003e Route all 4-20 mA field signal conductors through separate low-voltage wireways isolated from alternating current (AC) power lines and motor drive paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding Ground Plane:\u003c\/strong\u003e Connect instrument cable shields to a dedicated ground busbar directly at the point of enclosure entry, maintaining structural isolation from active neutral rails.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53114286768437,"sku":"ST-3218","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ST-3218.png?v=1783669279","url":"https:\/\/www.5gplc.com\/products\/ge-st-3218-rsti-pacsystem-series-analog-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}