{"product_id":"schneider-electric-modicon-a120-zae-201-counter-module","title":"Schneider Electric Modicon A120 ZAE 201 High-Speed Counter Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe ZAE 201 is a high-speed counter module designed for the legacy AEG Schneider Electric Modicon A120 automation platform. This module is engineered to process high-frequency pulse trains, rotary encoder signals, and flow meter inputs that exceed the scanning capabilities of standard digital I\/O modules. By performing high-speed count accumulation and hardware gating locally, the ZAE 201 offloads the central CPU, reduces calculation jitter, and ensures system bus integrity through robust optocoupler isolation.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual independent high-speed counting channels supporting up to 50 kHz frequency.\u003c\/li\u003e\n\u003cli\u003eSupports single-phase counting and dual-phase quadrature decoding (A\/B phases) with Z-pulse marker capability.\u003c\/li\u003e\n\u003cli\u003eIntegrated auxiliary discrete inputs for remote gate control (start\/stop) and hardware reset triggers.\u003c\/li\u003e\n\u003cli\u003eOnboard diagnostic LED panel providing real-time status for bus communication (RUN), internal hardware health (ERR), and individual channel activity.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation between field terminals and internal logic to protect against electrical noise and surges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe ZAE 201 is suitable for specialized positioning and velocity tracking loops in demanding industrial environments, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMineral processing and mining operations.\u003c\/li\u003e\n\u003cli\u003eTurbine monitoring and control in power generation plants.\u003c\/li\u003e\n\u003cli\u003eFluid metering and flow control systems in petroleum refining.\u003c\/li\u003e\n\u003cli\u003ePrecision motion control and rotary encoder integration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eZAE 201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 Independent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frequency\u003c\/td\u003e\n\u003ctd\u003e50 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit binary (expandable to 24-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC (19.2 to 30 V DC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Logic\u003c\/td\u003e\n\u003ctd\u003eSink (Positive Logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e150 mA at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.5 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the Modicon A120 rack is powered down before inserting or removing the module to prevent electrical damage or bus errors.\u003c\/li\u003e\n\u003cli\u003eMount the module in a clean, dry environment within the specified temperature range to ensure long-term reliability.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for high-speed encoder and pulse signals to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the rack assembly to ensure the effectiveness of the galvanic isolation.\u003c\/li\u003e\n\u003cli\u003eVerify that input signal levels comply with the 24 V DC nominal requirements; ensure signal state 1 is above 15 V DC and state 0 is below 5 V DC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the ZAE 201 compatible with modern Modicon platforms?\u003c\/h3\u003e\u003cp\u003eThe ZAE 201 is specifically designed for the legacy Modicon A120 series. It is not natively compatible with newer Modicon M340 or M580 platforms without specialized gateway hardware.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power for the inputs?\u003c\/h3\u003e\u003cp\u003eYes, the field inputs require a nominal 24 V DC supply within the 19.2 to 30 V DC range to function correctly as per the sink logic configuration.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":50919087669500,"sku":"ZAE 201","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_30b90948-daf0-450b-bb39-c98ce375ffb5.jpg?v=1785901705","url":"https:\/\/www.electronicplc.com\/ar\/products\/schneider-electric-modicon-a120-zae-201-counter-module","provider":"Electronic PLC","version":"1.0","type":"link"}