{"product_id":"rs232-to-rs485-converter-module-digital-isolation-din-rail","title":"RS232 to RS485 Converter Module | Active Digital Isolation","description":"\u003ch2\u003eRS232 to RS485 Serial Communication Converter Module with Active Digital Isolation\u003c\/h2\u003e\n\u003cp\u003eUpgrade your industrial serial communication setup with this robust \u003cstrong\u003eRS232 to RS485 Converter Module\u003c\/strong\u003e. Designed for demanding industrial environments, this guide-rail-mounted converter delivers reliable, noise-resistant signal conversion with onboard active digital isolation — no additional external power supply required at the isolation end. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Standard Compatibility:\u003c\/strong\u003e Fully compatible with RS232 and RS485 standards, converting RS232 signals into balanced differential RS485 signals for long-distance, high-reliability transmission.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Baud Rate Support:\u003c\/strong\u003e Stable transmission rates from 300 to 115,200 bps for versatile communication needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Power Isolation:\u003c\/strong\u003e Integrated power isolation provides a stable isolation voltage without the need for an additional power supply on the isolated side.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Digital Isolation:\u003c\/strong\u003e Onboard digital isolator ensures strong anti-interference performance, high reliability, and low power consumption — ideal for noisy industrial environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTVS Surge Protection:\u003c\/strong\u003e Onboard Transient Voltage Suppression (TVS) diode effectively suppresses surge voltages and transient peak voltages, guarding against lightning and electrostatic discharge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Recovery Fuse \u0026amp; Protection Diodes:\u003c\/strong\u003e Ensures stable current and voltage output, protects against overvoltage, and improves overall impact resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitchable 120Ω Termination Resistor:\u003c\/strong\u003e Onboard RS485 output terminal resistor (120R) can be easily enabled or disabled for convenient bus termination.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Terminal power supply interface supports 6–36V DC input, accommodating a wide variety of industrial power sources.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial DIN Rail Housing:\u003c\/strong\u003e Compact ABS environmentally friendly enclosure with DIN guide-rail mounting for easy, space-saving installation in control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Conversion:\u003c\/strong\u003e RS232 to RS485 (balanced differential)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBaud Rate:\u003c\/strong\u003e 300 – 115,200 bps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 6–36V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTermination Resistor:\u003c\/strong\u003e 120Ω (switchable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e TVS surge suppression, self-recovery fuse, protection diodes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Industrial DIN guide rail (ABS housing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× RS232 to RS485 Serial Communication Converter Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Due to lighting and screen differences, the item's color may appear slightly different from the pictures. Please allow 1–3 cm measurement tolerance.\u003c\/p\u003e\n\n\u003cp\u003eFor industry standards and best practices on serial communication and industrial electrical safety, refer to the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does this RS232 to RS485 converter module do?\u003c\/h4\u003e\n\u003cp\u003eA: This converter module translates RS232 serial signals into balanced differential RS485 signals. RS485 supports longer cable runs and multi-drop networks, making it ideal for industrial automation, PLCs, and SCADA systems. The onboard active digital isolation ensures signal integrity even in electrically noisy environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this RS232 to RS485 module require an external isolated power supply?\u003c\/h4\u003e\n\u003cp\u003eA: No. The module features onboard integrated power isolation, so no additional external power supply is needed on the isolation side. Simply connect your 6–36V DC power source to the terminal power supply interface and you're ready to go.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What baud rates does this serial communication converter support?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports a wide range of standard baud rates from 300 bps up to 115,200 bps, covering virtually all common RS232\/RS485 industrial communication protocols.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install this module in a control cabinet?\u003c\/h4\u003e\n\u003cp\u003eA: The module features an industrial DIN guide-rail-compatible ABS housing, allowing for quick and secure snap-on installation in standard control cabinets or electrical enclosures — no special tools required.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does this RS232 to RS485 converter module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This converter module translates RS232 serial signals into balanced differential RS485 signals. RS485 supports longer cable runs and multi-drop networks, making it ideal for industrial automation, PLCs, and SCADA systems. The onboard active digital isolation ensures signal integrity even in electrically noisy environments.\"}}, {\"@type\": \"Question\", \"name\": \"Does this RS232 to RS485 module require an external isolated power supply?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The module features onboard integrated power isolation, so no additional external power supply is needed on the isolation side. 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