{"product_id":"siemens-simatic-s5-6es5-455-7la11-digital-output-module","title":"Siemens 6ES5455-7LA11 Simatic S5 Digital Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5 455-7LA11 is a high-density digital output module designed for the Simatic S5-115 controller series. This module serves as a critical interface between the central processing unit and industrial field devices, providing 16 discrete output channels rated for 48\/115 VAC operation. It is engineered for demanding industrial environments, including power generation, chemical processing, and large-scale manufacturing, where reliable switching of AC-driven contactors, solenoids, or signal lamps is required. By ensuring robust signal isolation, this module helps maintain system integrity and reduces the risk of erratic behavior in legacy control architectures.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 discrete output channels for AC load control.\u003c\/li\u003e\n\u003cli\u003eOptimized for 48\/115 VAC power domains.\u003c\/li\u003e\n\u003cli\u003eIntegrated optical isolation for protection against field-side voltage transients and back-EMF.\u003c\/li\u003e\n\u003cli\u003eDirect rack-mounting compatibility with the Siemens Simatic S5-115 series.\u003c\/li\u003e\n\u003cli\u003eSupports switching of inductive and resistive loads up to 1 Amp per channel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is typically deployed in legacy automation systems for controlling high-voltage AC field devices. Common applications include the operation of motor starters, solenoid valves, industrial relays, and visual status indicators within S5-115 PLC racks.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5 455-7LA11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSimatic S5-115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e48 to 115 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load Current\u003c\/td\u003e\n\u003ctd\u003e1 Amp per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Logic Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptically isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC rack power is disconnected before installing or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eThe module is designed for direct insertion into the S5-115 rack backplane; ensure proper seating to maintain electrical contact.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for field wiring to minimize EMI interference, especially when driving inductive loads.\u003c\/li\u003e\n\u003cli\u003eEnsure that the load current does not exceed the 1 Amp per channel rating to prevent thermal degradation.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation within the control cabinet to keep the ambient temperature within the 0 to 60 degC range.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD precautions when handling the module to protect internal electronic components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this module compatible with S5-135 or S5-155 series racks?\u003c\/h3\u003e\u003cp\u003eThe 6ES5 455-7LA11 is specifically designed for the S5-115 series. Compatibility with other S5 series racks should be verified against the specific backplane and power supply requirements of those systems.\u003c\/p\u003e\u003ch3\u003eDoes this module require an external power supply for the outputs?\u003c\/h3\u003e\u003cp\u003eYes, the module requires an external AC power source for the output channels (48\/115 VAC), while the internal logic is powered by the 24 VDC supply from the S5 rack backplane.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50912063783164,"sku":"6ES5455-7LA11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_e81c10c0-aa8b-4a0c-b6c4-596d7337fdfe.jpg?v=1785725014","url":"https:\/\/www.electronicplc.com\/products\/siemens-simatic-s5-6es5-455-7la11-digital-output-module","provider":"Electronic PLC","version":"1.0","type":"link"}