{"product_id":"siemens-6es7422-1bl00-0aa0-simatic-s7-400-sm-422-digital-output","title":"Siemens 6ES7422-1BL00-0AA0 SIMATIC S7-400 SM 422 Digital Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES7422-1BL00-0AA0 is a high-density digital output module designed for the SIMATIC S7-400 programmable logic controller (PLC) system. As part of the SM 422 signal module series, this unit provides 32 isolated digital outputs, enabling robust control of actuators, relays, and indicators within industrial automation environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e32 isolated digital output channels.\u003c\/li\u003e\n\u003cli\u003eRated for 24 VDC operation with a 0.5 A output current per channel.\u003c\/li\u003e\n\u003cli\u003eIntegrated electronic short-circuit protection for enhanced system reliability.\u003c\/li\u003e\n\u003cli\u003eInductive shutdown voltage limitation to -27 V.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard S7-400 rack mounting and backplane communication.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is engineered for large-scale industrial control applications requiring high-density discrete output switching. It is commonly utilized in manufacturing lines, process control systems, and complex automation tasks where reliable 24 VDC signal distribution is required for field devices.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e6ES7422-1BL00-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSM 422 Digital Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermissible Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4 V to 28.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (per channel)\u003c\/td\u003e\n\u003ctd\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss (typ.)\u003c\/td\u003e\n\u003ctd\u003e4 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-circuit Protection\u003c\/td\u003e\n\u003ctd\u003eYes (Electronic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Test Voltage\u003c\/td\u003e\n\u003ctd\u003e500 V AC \/ 707 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the S7-400 power supply is disconnected before inserting or removing the module from the rack.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is properly seated in the rack slot and secured with the integrated locking mechanism.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for output signals to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the S7-400 mounting rack to maintain signal integrity and safety.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation around the PLC rack to prevent overheating, as the module dissipates approximately 4 W during operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this module compatible with all S7-400 CPUs?\u003c\/h3\u003e\u003cp\u003eThe 6ES7422-1BL00-0AA0 is designed for the standard S7-400 backplane. Compatibility depends on your specific CPU configuration and hardware catalog version in your STEP 7 project. Please verify your hardware configuration in the software before deployment.\u003c\/p\u003e\u003ch3\u003eDoes this module require an external power supply?\u003c\/h3\u003e\u003cp\u003eYes, the module requires a 24 VDC load voltage supply (L+) to drive the output channels. Ensure the power supply is within the permissible range of 20.4 V to 28.8 V.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50641286365436,"sku":"6ES7422-1BL00-0AA0","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_ce2f9470-ecb2-4110-a0dd-075e14bfa1b8.jpg?v=1784886764","url":"https:\/\/www.electronicplc.com\/products\/siemens-6es7422-1bl00-0aa0-simatic-s7-400-sm-422-digital-output","provider":"Electronic PLC","version":"1.0","type":"link"}