{"product_id":"ax521-new-original-abb-analog-i-o-module","title":"AX521 New Original ABB Analog I\/O Module","description":"\u003ch2\u003e\u003cstrong\u003eAX521 Analog I\/O Module – 4 AI, 4 AO, U\/I\/Pt100, 12-Bit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications – Inputs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB – Article number 1SAP 250 100 R0001.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 analog inputs, grouped as one group of 4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable ranges:\u003c\/strong\u003e 0‑10 V, ±10 V, 0‑20 mA, 4‑20 mA, Pt100, Pt1000, Ni1000.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 12 bits (12 bits including sign for bipolar ranges).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion error:\u003c\/strong\u003e typ. ±0.5 % of full scale at 25 °C; max. ±1 % over 0‑60 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput filter time constant:\u003c\/strong\u003e 100 µs for both voltage and current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvervoltage protection:\u003c\/strong\u003e Yes – handles incorrect connections up to 35 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel indication:\u003c\/strong\u003e One LED per input shows signal status.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications – Outputs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 analog outputs, all in one group.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput types:\u003c\/strong\u003e Bipolar voltage or unipolar current (configurable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput ranges:\u003c\/strong\u003e ±10 V, 0‑20 mA, 4‑20 mA – each output individually set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 12 bits including sign for voltage outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSettling time:\u003c\/strong\u003e typ. 5 ms for a full‑scale change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad:\u003c\/strong\u003e 0‑500 Ω for current; max. ±10 mA load for voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput LED:\u003c\/strong\u003e One LED per channel for status indication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePower Supply \u0026amp; Galvanic Isolation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess voltage:\u003c\/strong\u003e 24 V DC nominal (–15 % \/ +20 %) with reverse polarity protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent consumption:\u003c\/strong\u003e 0.15 A from UP plus output loads; 2 mA from CPU\/comm. interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush current:\u003c\/strong\u003e 0.020 A²s at power‑up – limits stress on the power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic isolation:\u003c\/strong\u003e Between channels and I\/O bus – yes. Between channels – no.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo isolation\u003c\/strong\u003e between channels and process supply (UP, ZP).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the AX521 a new original unit?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply only brand‑new, original ABB modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I configure each input individually?\u003c\/strong\u003e\u003cbr\u003eA: Yes – each of the 4 inputs supports individual range selection (V, mA, Pt100, etc.).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the conversion time for Pt100 inputs?\u003c\/strong\u003e\u003cbr\u003eA: Pt100\/Ni1000 measurements take 1 second; other signals convert in 2 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the module provide isolation between channels?\u003c\/strong\u003e\u003cbr\u003eA: No – all channels share a common group, but isolation exists to the I\/O bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What happens if I connect the wrong polarity?\u003c\/strong\u003e\u003cbr\u003eA: The module detects wrong or no signal and withstands up to 35 V without damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I leave unused outputs open?\u003c\/strong\u003e\u003cbr\u003eA: Yes – unused outputs can remain open‑circuited without issue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the return policy?\u003c\/strong\u003e\u003cbr\u003eA: We support 30‑day returns for unused items in original packaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have stock available?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we keep the AX521 in stock for fast shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information Inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e , \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner NexAuto Technology Limited :\u003c\/strong\u003e \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46793896034465,"sku":"AX521","price":214.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/AX521-1.jpg?v=1785470201","url":"https:\/\/www.autonexcontrol.com\/products\/ax521-new-original-abb-analog-i-o-module","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}