{"product_id":"621-4350r-honeywell-32-channel-5v-ttl-digital-input-module","title":"621-4350R Honeywell 32-Channel 5V TTL Digital Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 621-4350R functions as a high-density digital input module engineered for the Honeywell 620 series PLC ecosystem. It converts 32 discrete 5V TTL (Transistor-Transistor Logic) signals into digital data for direct controller processing. This module enables precise monitoring and seamless integration of specialized TTL-level field devices into industrial automation platforms.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e621-4350R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e32-Channel 5V TTL Digital Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Level\u003c\/td\u003e\n\u003ctd\u003e5 Vdc TTL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell 620 Series PLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e119 mm x 69 mm x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 °C to 60 °C (32 °F to 140 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32-channel configuration captures multiple field signals simultaneously, reducing the total number of modules required in the PLC rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTTL Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDirectly accepts TTL logic levels, eliminating the need for external voltage converters or signal-level shifters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpace-efficient design fits standard 620 series rack slots, maximizing cabinet utilization and maintaining simple field wiring paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStable Data Acquisition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-speed switching circuitry ensures accurate state detection of TTL devices, minimizing input latency in critical control loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require specific wiring for TTL devices?\u003c\/strong\u003e\u003cbr\u003eUse shielded twisted-pair cables to maintain signal integrity, especially when routing TTL signals over longer distances. Ensure the common ground connects properly between the TTL device and the module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with all Honeywell 620 racks?\u003c\/strong\u003e\u003cbr\u003eYes, the 621-4350R slides directly into the standard 620 series PLC backplane. Verify that the PLC firmware supports 32-channel high-density input configurations before deployment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a 100% brand new unit?\u003c\/strong\u003e\u003cbr\u003eYes, we supply this Honeywell 621-4350R as a 100% brand new, authentic original product, ready for immediate installation in your control environment.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49121081983228,"sku":"621-4350R","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/621-4350R.jpg?v=1779325046","url":"https:\/\/www.electronicplc.com\/ar\/products\/621-4350r-honeywell-32-channel-5v-ttl-digital-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}