{"product_id":"yokogawa-pw301-s3-power-quality-monitoring-module","title":"Yokogawa PW301 S3 Power Quality Monitoring Module","description":"\u003cp\u003eConfigured for precise measurement and electrical analysis in industrial systems, the \u003cstrong\u003eYokogawa PW301 S3\u003c\/strong\u003e (\u003cstrong\u003ePW301\u003c\/strong\u003e Power Quality Monitoring Module) provides direct physical\/electrical execution.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePW301 S3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Quality Monitoring Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1000 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 600 AAC (utilizing external current transformers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 Hz to 65 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated liquid crystal display (LCD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Logging Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong-term non-volatile storage (several months duration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Communication Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-232, Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet (TCP\/IP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 to +50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0% to 90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard panel\/rack mounting envelope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Integration \u0026amp; Analog Data Compensation\u003c\/h3\u003e\n\u003cp\u003eThe PW301 S3 operates within process automation architectures to monitor feeder supply lines. When deploying the module, it utilizes specific signal processing characteristics:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e Every measurement channel features high galvanic isolation parameters to eliminate ground loop voltage errors when calculating three-phase variables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHART and Fieldbus Network Mapping:\u003c\/strong\u003e Converts electrical quality parameters (including harmonic distortion, active power, and power factor) into standardized Modbus registers or HART parameters mapped directly to host DCS systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransient Waveform Capturing:\u003c\/strong\u003e High-speed integrated analog-to-digital converters capture voltage dips, swells, and transient spikes, preserving detailed waveform snapshots during electrical faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the PW301 S3 monitor current ranges exceeding 600 A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. While the onboard scaling limits measurement inputs to 600 AAC, users can configure external current transformers (CTs) with larger primary-to-secondary scaling ratios to monitor higher current feeder lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module preserve logged data during system power failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The internal data logging mechanism utilizes non-volatile flash memory, securing logged metrics and wave snapshots without requiring constant backup power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of the manual battery switch on the front panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The manual battery switch is used to connect or isolate the internal backup battery. During storage or installation, keeping this switch in the off position prevents unnecessary battery drainage.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Sensing Inputs:\u003c\/strong\u003e Connect voltage lines through certified fuses or circuit breakers. Ensure maximum rated input voltage limits of 1000 VAC are not exceeded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Transformer Grounding:\u003c\/strong\u003e Secondary circuits of external current transformers must be properly grounded to protect instrumentation circuits from common-mode voltage build-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Modbus Wiring:\u003c\/strong\u003e Use twisted-pair shielded cables for RS-232 and Modbus network connections. Terminate cable shields at the designated ground rail only to minimize industrial EMI noise interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation Space:\u003c\/strong\u003e Maintain at least 50 mm clearance above and below the module housing inside the enclosure to ensure adequate natural convection airflow within the -10 to +50 deg C operational limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45235358957683,"sku":"PW301 S3","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-14_17-19-27_3565ab26-c0f3-4ec6-a53f-15af45f4c788.png?v=1784021787","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-pw301-s3-power-quality-monitoring-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}