{"product_id":"honeywell-900k01-0201-input-output-module","title":"Honeywell 900K01-0201 Input\/Output Module","description":"\u003ch2\u003eHoneywell 900K01-0201 Input\/Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for mixed pulse, frequency, and digital signaling tasks in HC900\/ControlEdge architectures, the \u003cstrong\u003eHoneywell 900K01-0201\u003c\/strong\u003e (\u003cstrong\u003e900K01-0201\u003c\/strong\u003e I\/O module) provides direct electrical execution of low‑voltage input capture, counter processing, and open‑collector output signaling.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e900K01-0201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e360 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e137 mm H × 35.6 mm W (5.4 in × 1.4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0 VDC to 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDigital Inputs per Module\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDigital Output Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eOpen collector, 5–24 V, 30 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse Input Voltage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0–24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse ON Level\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e3.0 VDC minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse OFF Level\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1.0 VDC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse Input Impedance\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e25 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse Frequency Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0–10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMinimum Pulse Width\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e3 µsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCounter Size\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e32‑bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFrequency Input Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e10 Hz to 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFrequency Input Minimum Pulse Width\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e500 µsec (10–500 Hz), 50 µsec (10–5 kHz), 2.5 µsec (10–100 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse Output Frequency Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e25 Hz to 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse Output Duty Cycle\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e50% fixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePulse Output Duration\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eContinuous or numbered pulses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Fieldbus Considerations\u003c\/h3\u003e\n\u003cp\u003eAlthough the 900K01-0201 is a discrete\/pulse I\/O module, its behavior interacts with Honeywell process‑control networks where mixed analog and digital signaling coexist. Stable DC input thresholds ensure that superimposed HART frequencies on nearby wiring are not misinterpreted as pulse edges. When deployed in FOUNDATION Fieldbus or Profibus PA environments, channel‑to‑channel isolation within the HC900\/ControlEdge platform prevents digital pulse activity from coupling into adjacent analog modules. Cold junction compensation (CJC) circuits in temperature modules maintain reference accuracy when wiring separation and grounding practices are observed.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can a channel be used simultaneously for pulse and frequency input?\u003c\/strong\u003e A: No. Assigning a channel for pulse output renders that channel unavailable for pulse or frequency input functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support hot‑swap insertion?\u003c\/strong\u003e A: The module is not designed for hot‑swap. Backplane power should be removed before installation or removal to avoid signal state corruption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is counter overflow indicated?\u003c\/strong\u003e A: The OVERFLOW flag (STS=33) is set when the 32‑bit counter exceeds its maximum value. It resets on an OFF‑to‑ON transition of the RST input.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMaintain wiring within the specified low‑voltage range and ensure clean edge transitions for pulse and frequency inputs. Shielded cable grounds should be bonded at a single termination point to prevent circulating currents. Route pulse\/frequency wiring separately from high‑current conductors to minimize noise injection. Open‑collector outputs require external pull‑up resistors sized according to system voltage and load current. When configuring preset actions or counter resets, verify that ControlEdge Builder logic prevents unintended latch conditions.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48183582326974,"sku":"900K01-0201","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/900A16-0101_3.jpg?v=1782287705","url":"https:\/\/www.autooiltech.com\/ar\/products\/honeywell-900k01-0201-input-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}