{"product_id":"621-9939-honeywell-serial-link-module","title":"621-9939 | Honeywell | Serial Link Module","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Honeywell \u003cstrong\u003e621-9939\u003c\/strong\u003e Serial Link Module is part of the 9000 series, designed to provide robust RS485 serial communication for industrial automation systems, supporting high-density I\/O and redundant configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eProduct No.:\u003c\/strong\u003e 621-9939\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Serial Link Module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e 9000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOperating Current:\u003c\/strong\u003e 2.06 A (+5 V DC typical)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Format:\u003c\/strong\u003e RS485\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Drops per Channel:\u003c\/strong\u003e 16\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMaximum I\/O per Channel:\u003c\/strong\u003e 2040\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 2 kg\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eHigh-Density Connectivity:\u003c\/strong\u003e Supports up to 2040 I\/O per channel for large-scale systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eRS485 Format:\u003c\/strong\u003e Ensures reliable and noise-resistant communication in industrial environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eRedundant Capability:\u003c\/strong\u003e Designed for critical process control with redundant serial paths\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eScalable Integration:\u003c\/strong\u003e Compatible with Honeywell 9000 series architecture\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Built for continuous operation under demanding conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ1: What is the function of the 621-9939 module?\u003c\/strong\u003e A1: It provides RS485 serial communication for Honeywell 9000 series systems, enabling high-density I\/O integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ2: How many drops per channel are supported?\u003c\/strong\u003e A2: The module supports up to 16 drops per channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ3: What is the maximum I\/O capacity per channel?\u003c\/strong\u003e A3: It can handle up to 2040 I\/O per channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ4: Is the module suitable for redundant configurations?\u003c\/strong\u003e A4: Yes, it supports redundant serial link setups for enhanced reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ5: What is the typical operating current?\u003c\/strong\u003e A5: The module operates at 2.06 A with +5 V DC supply.\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49455965470979,"sku":"621-9939","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/7995\/4179\/products\/f3bd57146e3603033f816c32f4ef5008.jpg?v=1668670274","url":"https:\/\/www.runtoelectronic.com\/products\/621-9939-honeywell-serial-link-module","provider":"Runto Electric","version":"1.0","type":"link"}