{"product_id":"mitsubishi-electric-q68ad-g-melsec-q-series-channel-to-channel-isolated-analog-to-digital-conversion-unit","title":"Mitsubishi Electric Q68AD-G MELSEC-Q Series Channel-to-Channel Isolated Analog-to-Digital Conversion Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eEngineered for precise industrial process automation, the \u003cstrong\u003eQ68AD-G\u003c\/strong\u003e functions as a channel-to-channel isolated analog-to-digital conversion module designed for the Mitsubishi MELSEC-Q Series PLC platform. This module features eight independent channels, providing robust electrical separation between inputs to eliminate ground loops and minimize signal interference in complex electrical environments.\u003c\/p\u003e\n\n\u003cp\u003eEach channel can be independently configured to accept either voltage or current signals, accommodating standard industrial sensors and transmitters. The integration of high-resolution digital conversion options and dedicated scaling functions allows for precise data acquisition, delivering reliable metrics directly to the master controller backplane. External connections are consolidated through a high-density 40-pin interface, ensuring secure and compact field wiring.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete channel-to-channel isolation using internal transformer technology to safeguard control circuitry.\u003c\/li\u003e\n  \u003cli\u003eEight independent analog input channels supporting mixed voltage and current configurations.\u003c\/li\u003e\n  \u003cli\u003eDual resolution operation settings: Normal resolution mode and High resolution mode for granular tracking.\u003c\/li\u003e\n  \u003cli\u003eFast conversion rate with a sampling cycle of 10 ms per active channel.\u003c\/li\u003e\n  \u003cli\u003eBroad signal range support including standard industrial ranges (1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to 10 V, 0 to 20 mA, and 4 to 20 mA).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePower generation and substation telemetry monitoring.\u003c\/li\u003e\n  \u003cli\u003eOil and gas refinery instrumentation.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater treatment facility chemical dosage monitoring.\u003c\/li\u003e\n  \u003cli\u003eSteel manufacturing plant temperature and pressure tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eQ68AD-G\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eChannel-to-Channel Isolated Analog-to-Digital Conversion Unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e8 points (8 channels)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eVoltage Input Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDC -10 to +10 V (Input resistance: 1 MOhm or more)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Input Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDC 0 to 20 mA (Input resistance: 250 Ohm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSampling Cycle\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e10 ms \/ channel\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e20 ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAbsolute Maximum Input\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eVoltage: ±15 V, Current: ±30 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eIsolation Method\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTransformer isolation between input terminals and PLC power supply, and between individual analog input channels\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWithstand Voltage (Input to Backplane)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e500 V AC rms for 1 minute\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWithstand Voltage (Channel to Channel)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1000 V AC rms for 1 minute\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e10 MOhm or more at 500 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e±71.4 ppm \/ degC (0.00714% \/ degC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOccupied I\/O Points\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e16 points (I\/O assignment: 16 points intelligent function module)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInternal Current Consumption (5 V DC)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.46 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eExternal Dimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e102 mm x 27.4 mm x 90 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.16 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInterface Element\u003c\/th\u003e\n      \u003cth\u003eSpecification \/ Compatibility\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eExternal Wiring Interface\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e40-pin connector\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCompatible Connectors\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eA6CON1, A6CON2, A6CON4 (sold separately)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways power down the MELSEC-Q base unit before mounting or removing the module to prevent electrical shock or module damage.\u003c\/li\u003e\n  \u003cli\u003eEnsure that signal cables are routed away from high-voltage AC lines and motor drive cables to reduce electromagnetic interference.\u003c\/li\u003e\n  \u003cli\u003eTo satisfy isolation requirements, verify that the external grounding terminal is properly connected to the functional earth of the cabinet.\u003c\/li\u003e\n  \u003cli\u003eSecurely tighten any connector screws on the 40-pin interface to maintain stable contact resistance during thermal cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE Compliant\u003c\/li\u003e\n  \u003cli\u003eUL Listed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102254424427,"sku":"Q68AD-G","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/Q68AD-G-sboaugtencj.png?v=1776137960","url":"https:\/\/www.plcprotech.com\/ru\/products\/mitsubishi-electric-q68ad-g-melsec-q-series-channel-to-channel-isolated-analog-to-digital-conversion-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}