{"product_id":"kl3458-beckhoff-bus-terminal-8-channel-analog-input-4-20-ma-12-bit-single-ended","title":"KL3458 | Beckhoff Bus Terminal 8-Channel Analog Input 4–20 mA 12 Bit Single-Ended","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Beckhoff KL3458 is an 8-channel analog input bus terminal for current signals in the 4…20 mA range. Featuring 12-bit resolution, electrical isolation, and high packing density, it enables accurate signal acquisition in a compact format for industrial automation systems.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 568.22px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eI\/O Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eKL3458\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eAnalog Input Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eSignal Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e4…20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eSingle-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e\u0026lt; 85 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e~4 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e12 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 39.1875px;\"\u003e\u003cstrong\u003eMeasurement Error\/Uncertainty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 39.1875px;\"\u003e\u0026lt; ±0.3% (relative to full scale value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eSurge Voltage Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e500 V (K-bus\/signal voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eVia K-bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 39.1875px;\"\u003e\u003cstrong\u003eCurrent Consumption (K-bus)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 39.1875px;\"\u003eTyp. 105 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 39.1875px;\"\u003e\u003cstrong\u003eBit Width in Process Image\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 39.1875px;\"\u003e8 × 16-bit input data (8 × 8-bit control\/status optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eNo addressing or configuration required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eSpecial Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eHigh packing density\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eStatus Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eRun LEDs (data exchange), Error LEDs (overload\/wire break)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e12 mm × 100 mm × 68 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e0…55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e-25…+85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003e95%, no condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.0059%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.6305%; height: 19.5938px;\"\u003eApprox. 55 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eKL3458\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"3493\" data-end=\"4134\"\u003eThe KL3458 is part of Beckhoff’s KL series of analog input terminals, designed for efficient acquisition of multiple current signals within distributed automation systems. It processes 4…20 mA signals across eight channels, digitizing them with 12-bit resolution and transmitting them securely via the K-bus to higher-level controllers. Its compact 12 mm housing allows high packing density, making it an excellent choice for applications requiring many input channels in limited cabinet space. With overload detection, surge resistance, and LED status indicators, the KL3458 ensures reliable and safe operation in industrial environments.\u003c\/p\u003e\n\u003cp data-start=\"4136\" data-end=\"4159\"\u003e\u003cstrong data-start=\"4140\" data-end=\"4157\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"4160\" data-end=\"5085\"\u003e\n\u003cli data-start=\"4160\" data-end=\"4281\"\u003e\n\u003cp data-start=\"4162\" data-end=\"4281\"\u003e\u003cstrong data-start=\"4162\" data-end=\"4194\"\u003eEight Analog Input Channels:\u003c\/strong\u003e Provides 8 single-ended channels for acquiring current signals in the 4…20 mA range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4282\" data-end=\"4404\"\u003e\n\u003cp data-start=\"4284\" data-end=\"4404\"\u003e\u003cstrong data-start=\"4284\" data-end=\"4316\"\u003eHigh-Resolution Measurement:\u003c\/strong\u003e Converts signals with 12-bit resolution, ensuring accurate data for automation tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4405\" data-end=\"4522\"\u003e\n\u003cp data-start=\"4407\" data-end=\"4522\"\u003e\u003cstrong data-start=\"4407\" data-end=\"4439\"\u003eCompact High-Density Design:\u003c\/strong\u003e Combines eight inputs in a slim 12 mm housing, optimizing control cabinet space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4523\" data-end=\"4638\"\u003e\n\u003cp data-start=\"4525\" data-end=\"4638\"\u003e\u003cstrong data-start=\"4525\" data-end=\"4557\"\u003eRobust Electrical Isolation:\u003c\/strong\u003e Offers 500 V separation between K-bus and signal voltage for secure operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4639\" data-end=\"4752\"\u003e\n\u003cp data-start=\"4641\" data-end=\"4752\"\u003e\u003cstrong data-start=\"4641\" data-end=\"4679\"\u003eOverload and Wire-Break Detection:\u003c\/strong\u003e Includes diagnostics via error LEDs to identify signal issues quickly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4753\" data-end=\"4851\"\u003e\n\u003cp data-start=\"4755\" data-end=\"4851\"\u003e\u003cstrong data-start=\"4755\" data-end=\"4782\"\u003eFast Signal Processing:\u003c\/strong\u003e Achieves ~4 ms conversion time for responsive current measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4852\" data-end=\"4963\"\u003e\n\u003cp data-start=\"4854\" data-end=\"4963\"\u003e\u003cstrong data-start=\"4854\" data-end=\"4881\"\u003eIndustrial Reliability:\u003c\/strong\u003e Withstands up to 30 V surge protection and maintains \u0026lt; ±0.3% measurement error.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4964\" data-end=\"5085\"\u003e\n\u003cp data-start=\"4966\" data-end=\"5085\"\u003e\u003cstrong data-start=\"4966\" data-end=\"4998\"\u003eSeamless System Integration:\u003c\/strong\u003e Connects directly via K-bus with no additional addressing or configuration required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5087\" data-end=\"5217\"\u003eThe KL3458 delivers the reliability and precision required for space-efficient current signal acquisition in automation systems.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":49105233412352,"sku":"KL3458","price":752.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/kl3458_ks3458__web_preview_png.webp?v=1785543170","url":"https:\/\/alotechparts.com\/products\/kl3458-beckhoff-bus-terminal-8-channel-analog-input-4-20-ma-12-bit-single-ended","provider":"Alo Tech Solutions","version":"1.0","type":"link"}