{"product_id":"mitsubishi-electric-q68davn-melsec-q-series-digital-analog-converter-module","title":"Mitsubishi Electric Q68DAVN MELSEC Q Series Digital-Analog Converter Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned to interface directly with industrial actuators and variable frequency drives, the Mitsubishi Electric Q68DAVN converts 16-bit digital commands into precise voltage control signals. This high-density analog output module integrates seamlessly into the MELSEC Q Series PLC backplane, occupying 16 intelligent I\/O points. It features \u003cstrong\u003e8 voltage output channels\u003c\/strong\u003e capable of driving loads ranging from 1k ohm to 1M ohm, offering high flexibility for system integration. Industrial operators can select between standard resolution and high-resolution configurations to match specific process requirements, ensuring smooth dynamic control across demanding plant-floor environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Channel Density:\u003c\/strong\u003e Houses 8 independent analog voltage output channels within a single slot profile to conserve backplane space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Resolution Modes:\u003c\/strong\u003e Supports standard resolution (-4096 to 4095) and high-resolution digital inputs (-16384 to 16383) for fine-grained process tuning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust System Isolation:\u003c\/strong\u003e Utilizes photocoupler isolation between input\/output terminals and the main PLC backplane, paired with transformer isolation for external power supplies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Output Protection:\u003c\/strong\u003e Built-in short-circuit protection prevents hardware damage from field wiring faults or load failures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Term Configuration Memory:\u003c\/strong\u003e Features an onboard EEPROM rated for up to 100,000 write operations, preserving calibration and parameter settings without battery backup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eProportional valve control in hydraulic and pneumatic operations.\u003c\/li\u003e\n  \u003cli\u003eSpeed setpoint transmission to variable frequency drives (VFDs) and servo controllers.\u003c\/li\u003e\n  \u003cli\u003eMulti-axis actuator positioning systems in packaging and automotive assembly lines.\u003c\/li\u003e\n  \u003cli\u003eProcess control loop integration within water treatment and chemical dosing facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 12px; text-align: left; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 12px; text-align: left; font-weight: bold;\"\u003eSpecification Values\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eModel Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eQ68DAVN\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eModule Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eDigital-Analog Converter Module (Voltage Output)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eAnalog Output Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e8 points (8 channels)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eDigital Input Formats\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e16-bit signed binary (Standard: -4096 to 4095; High Resolution: -16384 to 16383)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eAnalog Output Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e-10 VDC to 10 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eExternal Load Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e1k ohm to 1M ohm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eOccupied I\/O Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e16 points (Intelligent functional module allocation)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eInternal Current Draw (5 VDC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e0.38 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eExternal Power Supply Requirements\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e24 VDC (+20% \/ -15%), ripple\/spike 500 mV P-P or less, current draw 0.2 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eInrush Current Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e2.5 A (duration of 230 microseconds or less)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eDielectric Withstand Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e500 VAC for 1 minute (between I\/O and PLC power; between analog output and external supply)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eConnection System\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e18-point removable terminal block\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eApplicable Wire Size\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e0.3 to 0.75 mm square\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eNet Module Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e0.2 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e1.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe Q68DAVN acts as the direct upgrade path for the older legacy Q68DAV module. When transitioning from the legacy non-N model, the physical dimensions and core program block parameters remain backward compatible. However, verify that your GX Works2 or GX Works3 programming software is updated with the correct Intelligent Function Module profile to ensure the N-variant configuration parameters align correctly with your PLC CPU.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eA key risk with the Q68DAVN is that \u003cstrong\u003eindividual output channels are not isolated from one another\u003c\/strong\u003e. If you drive multiple field devices from different power zones, ground loops will occur and cause output signal drifting or channel failure. If channel-to-channel isolation is mandatory for your field wiring architecture, external signal conditioning and isolators must be installed between this module's terminal block and the field components.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use high-quality twisted shielded pair (STP) cable for all analog voltage output lines, keeping runs as short as possible to prevent electromagnetic interference. Terminate the shield at the FG terminal of the module. Note that the non-FG terminals do not accept sleeved crimp terminals; you must use bare-shank R1.25-3 ring or fork terminals to prevent the protective terminal block cover from failing to latch properly.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL SYSTEM WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eShut off all external power supplies to the PLC backplane and the auxiliary 24 VDC supply before inserting or removing the Q68DAVN module. Failure to de-energize the entire system before physical manipulation can result in permanent damage to the backplane communication ICs, or trigger unexpected system shut-downs on running units.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 2rem; min-height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.2rem;\"\u003eEnsure the PLC base unit is completely powered down. Align the lower hook of the module with the installation hole on the base unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 2rem; min-height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.2rem;\"\u003ePush the top of the module firmly onto the backplane connector until it locks into place, and secure the top mounting screw to the specified torque limit.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 2rem; min-height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.2rem;\"\u003eAttach the 18-point wired terminal block to the module and hand-tighten the terminal block installation screws.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 2rem; min-height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.2rem;\"\u003eApply the auxiliary 24 VDC external supply first, verify that the terminal connections are secure and polarity is correct, then power up the main PLC rack.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102152843627,"sku":"Q68DAVN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/Q68DAVN-ma4sp1ze0ip.png?v=1776137967","url":"https:\/\/www.plcprotech.com\/products\/mitsubishi-electric-q68davn-melsec-q-series-digital-analog-converter-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}