{"product_id":"nfaf135-s50-s1-yokogawa-stardom-8-channel-frequency-module","title":"NFAF135-S50 S1 Yokogawa STARDOM 8 Channel Frequency Module","description":"\u003ch2\u003eYokogawa NFAF135-S50 S1 Frequency Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa NFAF135-S50 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFAF135\u003c\/strong\u003e Frequency Input Module, operates as a dedicated hardware component for high-precision pulse train acquisition and speed monitoring within STARDOM FCN and FCJ autonomous controller platforms.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNFAF135-S50 S1 (Base Model: NFAF135)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30 mm x 130 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +80 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e300 mA at 5 VDC (Backplane) \/ 400 mA at 24 VDC (~3 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e0.01 Hz to 1000 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDry contact pulse (Open collector \/ Relay) and Voltage pulse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC between input and system; 500 VAC between channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC (30 mA) or 12 VDC (40 mA) selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Loop Response Execution\u003c\/h3\u003e\n\u003cp\u003eDesigned for high-density frequency monitoring, the Yokogawa NFAF135-S50 S1 delivers continuous pulse processing across 8 isolated channels. Channel-to-channel isolation with 500 VAC dielectric withstand capability protects the internal backplane logic from ground loops and field noise coupling. The module converts incoming high-speed frequency signals into 16-bit process variables, applying low-pass, high-pass, or band-pass filtering to maintain measurement stability under extreme signal jitter. Integrated 24 VDC and 12 VDC power sources directly energize connected field transmitters, streamlining field loop wiring layouts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the NFAF135-S50 S1 support live replacement during ongoing controller operations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Technicians can execute online module replacement on the STARDOM system chassis without turning off main system power or interrupting processing routines on adjacent I\/O cards.\u003c\/p\u003e\n\u003cp\u003eQ: What minimum pulse width is required for accurate frequency detection on the input channels?\u003c\/p\u003e\n\u003cp\u003eA: The module internal logic requires a minimum input pulse width of 40 microseconds to ensure reliable state transition processing across the 0.01 Hz to 1000 kHz operating span.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the NFAF135-S50 S1 module vertically into the allocated base unit slot, engaging the top and bottom latch mechanisms to secure mechanical contact with the system backplane. Route signal input wires using twisted-shielded pair cables, physically separated from high-voltage motor power leads. Connect the cable shield drain directly to the cabinet ground bar, ensuring the total length does not exceed recommended physical limits for high-frequency signal transmission.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43846282870874,"sku":"NFAF135-S50 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/162.1_73b9e243-f9f6-43e4-a37e-b6d904e12638.jpg?v=1786688369","url":"https:\/\/www.spareoil.com\/products\/nfaf135-s50-s1-yokogawa-stardom-8-channel-frequency-module","provider":"SpareOil Automation","version":"1.0","type":"link"}