{"product_id":"mitsubishi-electric-ld77mh16-melsec-l-series-simple-motion-module","title":"LD77MH16 | Mitsubishi Electric | Module de Mouvement Simple","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for high-speed multi-axis synchronization within the MELSEC L series platform, the \u003cstrong\u003eMitsubishi Electric LD77MH16\u003c\/strong\u003e provides advanced motion, positioning, and synchronous control via a high-performance fiber optic network. This high-density positioning module supports up to \u003cstrong\u003e16 axes\u003c\/strong\u003e of motion over SSCNET III\/H, delivering robust noise immunity and rapid command transmission for demanding industrial machinery. Featuring built-in digital inputs for high-speed registration, the device functions as a central command interface to bridge PLC logic with servo amplifier execution without sacrificing backplane performance.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16-Axis Control Capability:\u003c\/strong\u003e Manages up to 16 physical servo axes over a single network loop.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSSCNET III\/H Communication:\u003c\/strong\u003e High-speed optical fiber network running at 50 Mbps with complete noise immunity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Digital Inputs:\u003c\/strong\u003e Features 4 isolated input channels supporting shared positive\/negative common setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Synchronous Control:\u003c\/strong\u003e Supports electronic cam, gear, phase compensation, and rotary cutter software configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Registration:\u003c\/strong\u003e Inputs process signals with a response time of 1 ms or less for precise product marking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Axis Packaging Systems:\u003c\/strong\u003e Real-time electronic cam profiling and synchronous feed cutting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Labeling Machines:\u003c\/strong\u003e Utilizing quick-response registration inputs to align print marks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling \u0026amp; Gantries:\u003c\/strong\u003e Interpolation and coordinated motion for pick-and-place systems.\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification\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: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eLD77MH16\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModule Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSimple Motion Module\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Control Axes\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e16 Axes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eServo Amplifier Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSSCNET III\/H (50 Mbps Optical Fiber)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4 Points\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Circuit Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePhotocoupler\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRated Input Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e24 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Voltage Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e21.6 to 26.4 VDC (Ripple ratio 5% or less)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRated Input Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eApprox. 5 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eON Voltage \/ Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e17.5 VDC or more \/ 3.5 mA or more\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOFF Voltage \/ Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e5 VDC or less \/ 0.9 mA or less\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eApprox. 5.6 kOhm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eResponse Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1 ms or less\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRecommended Wire Size\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAWG24 (0.2 mm²)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInternal Current Consumption (5 VDC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.70 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModule Net Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.22 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 2.00 kg;\"\u003e2.00 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eConnector \/ Interface\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eFunction \/ Circuit Assignment\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: 8px; font-weight: bold;\"\u003eCN1A Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSSCNET III\/H Optical Link Inbound Connection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCN1B Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSSCNET III\/H Optical Link Outbound\/Downstream Connection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eExternal Input Connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e24 VDC Digital Inputs (Points 1-4) for limit, stop, or touch probe signals\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 LD77MH16 is the 16-axis variant of the MELSEC L positioning line. For systems requiring fewer axes, the hardware-identical LD77MH4 (4-axis) serves as a drop-in software-subset alternative. When migrating software configurations from Q-series QD77MS modules, confirm that buffer memory allocations match, as the L-series architecture maps configuration blocks slightly differently within the global address space.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe fiber-optic system relies entirely on optical signal integrity. Ensure that the MR-J3BUS optical cables do not exceed their rated minimum bend radius. Excessively sharp bends cause high signal attenuation, leading to intermittent communication dropouts, \"SSCNET Frame Error\" faults, or unexpected servo disconnects under high-vibration operating conditions.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen configuring absolute encoder systems, ensure that absolute coordinates are initialized correctly in the Simple Motion Setting Tool. Ensure the 24 VDC external registration inputs are routed using shielded, twisted-pair cabling. Keep these lines separated from high-current AC servo power runs to eliminate capacitive coupling, which can cause false registration triggers.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Completely de-energize the entire main control panel and discharge any residual bus voltages on connected servo amplifiers prior to installing, replacing, or accessing the LD77MH16 module. Failures to follow de-energization protocols risk damaging sensitive optical transceivers and internal module logic circuits.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-right: 12px; font-weight: bold;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign and mount the module securely to the DIN rail, ensuring the unit is interlocked properly with adjacent L-series modules using the built-in side-locking levers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-right: 12px; font-weight: bold;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eRemove protective caps from the CN1A\/CN1B optical transceiver ports and connect the SSCNET III\/H fiber optic cables. Keep dust caps securely stored for future maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-right: 12px; font-weight: bold;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTerminate the 24 VDC field input wires to the external connector block using AWG24 shielded lines, and verify proper ground loop mitigation before applying power.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102230536555,"sku":"LD77MH16","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ld77mh16-5fvax3chqbb.png?v=1776137791","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-ld77mh16-melsec-l-series-simple-motion-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}