{"product_id":"ttl-to-rs485-c-galvanic-isolated-converter","title":"TTL To RS485 (C) Galvanic Isolated Converter","description":"\u003cp\u003eThis converter is designed for converting TTL signals to RS485 signals, supporting half-duplex communication. It has a TTL signal level of 3.3V to 5V and provides over-voltage protection. The compact, immersion gold design with castellated holes makes integration easy, and it features multiple protections, including a self-recovery fuse, a TVS diode for surge and spike suppression, and is lightning-proof.\u003c\/p\u003e\n\u003cp\u003eIt is ideal for expanding nodes and long-distance communication and it supports transmission distances up to 1.2km and up to 32 nodes.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with TTL\/RS485 standard, converting the TTL signal into differential RS485 signal, supports half-duplex communication\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.3V ~ 5V TTL signal level, provides over-voltage protection for power supply interface\u003c\/li\u003e\n\u003cli\u003eUnibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal\u003c\/li\u003e\n\u003cli\u003eUnibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption\u003c\/li\u003e\n\u003cli\u003eTVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning-proof \u0026amp; anti-electrostatic\u003c\/li\u003e\n\u003cli\u003eSelf-recovery fuse and protection diodes, provide the current\/voltage stable outputs, provide over-current\/over-voltage protection, improve shockproof performance\u003c\/li\u003e\n\u003cli\u003eRS485 output terminal 120R resistor, enabled via soldering\u003c\/li\u003e\n\u003cli\u003eBlack immersion gold process design, compact size, easy to integrate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable width=\"999\" style=\"width: 993px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\" style=\"width: 201.79px;\"\u003e\u003cstrong\u003ePower Supply Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 186.193px;\"\u003ePower supply\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003e3.3V ~ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eProtection\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003eOver-voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 201.79px;\"\u003e\u003cstrong\u003eDevice Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003eTTL\/RS485 standard compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\" style=\"width: 201.79px;\"\u003e\u003cstrong\u003eTTL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eTransmission distance\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003eLess than 10m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eTransmission mode\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003ePoint-to-point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\" style=\"width: 201.79px;\"\u003e\u003cstrong\u003eRS485\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eProtection\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003e200W lightning-proof and surge-suppress, 6KV ESD protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eTerminal resistor\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003e120R, enabled via soldering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003eAbout 1.2km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eTransmission Mode\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003ePoint-to-multipoint (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 201.79px;\"\u003e\u003cstrong\u003eAppearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 186.193px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"width: 591.776px;\"\u003e42.8 x 15.2 x 4.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.waveshare.com\/wiki\/TTL_TO_RS485_(C)\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePinout\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/TTL_To_RS485_features_1.jpg?v=1718627493\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable width=\"679\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"679\"\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR (RXD)\u003c\/td\u003e\n\u003ctd\u003eRX indicator lights up when the TTL port receives data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT (TXD)\u003c\/td\u003e\n\u003ctd\u003eTX indicator lights up when the TTL port sends data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWR\u003c\/td\u003e\n\u003ctd\u003eThe power indicator lights up when there is a power supply connection and voltage is detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"356\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"356\"\u003e\u003cstrong\u003eLeft Side Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePE\u003c\/td\u003e\n\u003ctd\u003eRS485 signal ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB-\u003c\/td\u003e\n\u003ctd\u003eRS485 differential signal B-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA+\u003c\/td\u003e\n\u003ctd\u003eRS485 differential signal A+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"371\" style=\"height: 114px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd colspan=\"2\" style=\"height: 19px; width: 365.369px;\"\u003e\u003cstrong\u003eRight Side Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; width: 59.3466px;\"\u003eGND\u003c\/td\u003e\n\u003ctd style=\"height: 19px; width: 302.216px;\"\u003eGround \/ TTL signal ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; width: 59.3466px;\"\u003eRXD\u003c\/td\u003e\n\u003ctd style=\"height: 19px; width: 302.216px;\"\u003eTTL receive data pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; width: 59.3466px;\"\u003eTXD\u003c\/td\u003e\n\u003ctd style=\"height: 19px; width: 302.216px;\"\u003eTTL transmit data pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd rowspan=\"2\" style=\"height: 38px; width: 59.3466px;\"\u003eVCC\u003c\/td\u003e\n\u003ctd style=\"height: 19px; width: 302.216px;\"\u003ePower Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; width: 302.216px;\"\u003eDC 3.3V~5V power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x TTL TO RS485 Converter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":50847314575633,"sku":"WAV-27479","price":6.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6285\/6209\/files\/ttl-to-rs485-c-galvanic-isolated-converter-waveshare-wav-27479-42436286447811.jpg?v=1735210798","url":"https:\/\/abcd3032.myshopify.com\/zh\/products\/ttl-to-rs485-c-galvanic-isolated-converter","provider":"Tayyab Zak","version":"1.0","type":"link"}