{"id":15200493142176,"title":"Walfront Repeater Photoelectric Isolation Built‑in DC\/DC Isolated Power Supply Module Industrial Grade 4‑Channel RS485 Hub Sharer Splitter 300bps-115.2Kbps","handle":"walfront-repeater-photoelectric-isolation-built-in-dc-dc-isolated-power-supply-module-industrial-grade-4-channel-rs485-hub-sharer-splitter-300bps-115-2kbps","description":"\u003ch3\u003eWalfront Repeater Photoelectric Isolation Built‑in DC\/DC Isolated Power Supply Module Industrial Grade 4‑Channel RS485 Hub Sharer Splitter 300bps-115.2Kbps\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eSpecification: Item Type: Repeater Compatibility: Compatible with RS-232,\r\nRS-485TIA\/EIA standards Working Voltage: DC: 9-24V Rated Power: 0.5-1.2W Input\r\nInterface: 1 RS-232\/1 RS-485 Output Interface: 4 RS-485 Load Capacity: 128\r\nnodes per interface Communication Distance: 2500 meters shielded wire or\r\ntwisted pair wire per interface Communication Rate: 300bps-115.2Kbps\r\nInstallation Method: 35mm rail installation, 4-hole installation on the back\r\nplate Structure Size: Approx. 115 x 90 x 40mm \/ 4.5 x 3.5 x 1.6in Working\r\nEnvironment: -30℃ to 70℃ Relative humidity\u0026gt;95%RH Wiring Notes: 1. 485\r\ncommunication line must use shielded twisted pair, preferably multiple strands\r\nfor spare, the longest is not more than 2500 meters. 2. The wiring should be\r\nas far away as possible from high-voltage wires, not parallel to power lines,\r\nand not to be bundled together. 3. 485 bus must be a hand-in-hand bus\r\nstructure, and resolutely eliminate star connection and bifurcation\r\nconnection. 4. If there are more than 30 controllers or the cable length is\r\ngreater than 500 meters, it is recommended to use a 485 repeater. 5. The AC-\r\npowered equipment and the chassis must be grounded and well grounded. 6.\r\nConnect the GND ground of all 485 devices with shielded wires. Package List: 1\r\nx Repeater Note: The device is suitable for long‑term stable under the\r\nrecommended value; the device will not be damaged when working under the limit\r\nvalue, but may cause performance degradation; do not exceed the limit value\r\nrange at any time, otherwise it may cause damage to the device!\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eHIGH TRANSMISSION RATE-- Industrialgrade design, complete communication isolation, and transmission rate up to 115.2Kbps\u003c\/li\u003e\r\n \u003cli\u003eDC\/DC ISOLATED POWER SUPPLY-- Builtin DC\/DC isolated power supply module to achieve electrical isolation between ports\u003c\/li\u003e\r\n \u003cli\u003eMULTIMACHINE COMMUNICATION-- Support multimachine communication, each channel can connect up to 128 nodes, and the longest transmission distance is 2500 meters\u003c\/li\u003e\r\n \u003cli\u003eDATA AUTOMATIC CONTROL-- Data automatic control technology, automatically distinguish and control the data transmission direction\u003c\/li\u003e\r\n \u003cli\u003ePROVIDE MULTIPLE Multiple measures, plus or minus 15KV ESD protection, 600W dualchannel TVS 2.5KV communication isolation\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-16T03:21:35+11:00","created_at":"2025-10-16T03:21:31+11:00","vendor":"Walfront","type":"","tags":["electronics_selected_Oct2025"],"price":21300,"price_min":21300,"price_max":21300,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":52921485263008,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B08VGNNFYF","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Walfront Repeater Photoelectric Isolation Built‑in DC\/DC Isolated Power Supply Module Industrial Grade 4‑Channel RS485 Hub Sharer Splitter 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Repeater Photoelectric Isolation Built‑in DC\/DC Isolated Power Supply Module Industrial Grade 4‑Channel RS485 Hub Sharer Splitter 300bps-115.2Kbps\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eSpecification: Item Type: Repeater Compatibility: Compatible with RS-232,\r\nRS-485TIA\/EIA standards Working Voltage: DC: 9-24V Rated Power: 0.5-1.2W Input\r\nInterface: 1 RS-232\/1 RS-485 Output Interface: 4 RS-485 Load Capacity: 128\r\nnodes per interface Communication Distance: 2500 meters shielded wire or\r\ntwisted pair wire per interface Communication Rate: 300bps-115.2Kbps\r\nInstallation Method: 35mm rail installation, 4-hole installation on the back\r\nplate Structure Size: Approx. 115 x 90 x 40mm \/ 4.5 x 3.5 x 1.6in Working\r\nEnvironment: -30℃ to 70℃ Relative humidity\u0026gt;95%RH Wiring Notes: 1. 485\r\ncommunication line must use shielded twisted pair, preferably multiple strands\r\nfor spare, the longest is not more than 2500 meters. 2. The wiring should be\r\nas far away as possible from high-voltage wires, not parallel to power lines,\r\nand not to be bundled together. 3. 485 bus must be a hand-in-hand bus\r\nstructure, and resolutely eliminate star connection and bifurcation\r\nconnection. 4. If there are more than 30 controllers or the cable length is\r\ngreater than 500 meters, it is recommended to use a 485 repeater. 5. The AC-\r\npowered equipment and the chassis must be grounded and well grounded. 6.\r\nConnect the GND ground of all 485 devices with shielded wires. Package List: 1\r\nx Repeater Note: The device is suitable for long‑term stable under the\r\nrecommended value; the device will not be damaged when working under the limit\r\nvalue, but may cause performance degradation; do not exceed the limit value\r\nrange at any time, otherwise it may cause damage to the device!\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eHIGH TRANSMISSION RATE-- Industrialgrade design, complete communication isolation, and transmission rate up to 115.2Kbps\u003c\/li\u003e\r\n \u003cli\u003eDC\/DC ISOLATED POWER SUPPLY-- Builtin DC\/DC isolated power supply module to achieve electrical isolation between ports\u003c\/li\u003e\r\n \u003cli\u003eMULTIMACHINE COMMUNICATION-- Support multimachine communication, each channel can connect up to 128 nodes, and the longest transmission distance is 2500 meters\u003c\/li\u003e\r\n \u003cli\u003eDATA AUTOMATIC CONTROL-- Data automatic control technology, automatically distinguish and control the data transmission direction\u003c\/li\u003e\r\n \u003cli\u003ePROVIDE MULTIPLE Multiple measures, plus or minus 15KV ESD protection, 600W dualchannel TVS 2.5KV communication isolation\u003c\/li\u003e\r\n \u003c\/ul\u003e"}