{"product_id":"emerson-a6125-of-inputs-piezoelectric-vibration-monitor","title":"Emerson A6125 of Inputs Piezoelectric Vibration Monitor","description":"\u003ch2\u003eProduct Overview: The Emerson A6125 Upgrade Solution\u003c\/h2\u003e\u003cp\u003eWhen replacing older seismic sensors with modern piezoelectric types, the \u003cstrong\u003eEmerson A6125\u003c\/strong\u003e two-channel piezoelectric vibration monitor delivers a reliable upgrade path. Designed for high reliability in critical rotating machinery such as steam turbines, gas compressors, and hydro turbo machines, this 1-slot plugin module reduces cabinet space by half compared to traditional four-channel 6U cards. The \u003cstrong\u003eEmerson A6125\u003c\/strong\u003e is API 670 compliant, hot-swappable, and features remote selectable limit multiply and trip bypass, making it an ideal choice for upgrading your CSI 6500 Machinery Health Monitor system.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003eTwo, independent, differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Inputs\u003c\/td\u003e\n\u003ctd\u003ePiezoelectric (accelerometer or velometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;100 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Input Voltage Range\u003c\/td\u003e\n\u003ctd\u003e-5 to +15 VDC (6125\/00: 311-9500 mV p-p; 6125\/10: 16-450 mV p-p)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range (Accelerometer)\u003c\/td\u003e\n\u003ctd\u003eHigh: 30-8000 Hz; Med: 10-2000 Hz; Low: 6-1000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Supply\u003c\/td\u003e\n\u003ctd\u003eAccelerometer, constant current, 2-8 mA, 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 6 W, 250 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0° to 65°C (32° to 149°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100 x 160 mm (3.937 x 6.300 in), 30 mm width (6 TE), 128.4 mm height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (net)\u003c\/td\u003e\n\u003ctd\u003eApproximately 320 g (0.705 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eReal-World Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eEmerson A6125\u003c\/strong\u003e excels in monitoring case vibration from accelerometer sensors on rolling element bearing machines and gearboxes. In nuclear power plant applications, case measurements with piezoelectric sensors are standard, and this module provides accurate alarm setpoints with configurable alert and danger delays. For upgrading existing systems, the monitor supports both RMS and zero-to-peak measurement modes across three filter frequency ranges, ensuring compatibility with legacy installations.\u003c\/p\u003e\u003ch2\u003eInstallation and Setup Guidance\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eEmerson A6125\u003c\/strong\u003e occupies one slot in a 19-inch rack, with dimensions sized for a 3U chassis. It is hot-swappable, allowing replacement without powering down the system. Connect piezoelectric accelerometers or velometers using the differential inputs; ensure the sensor supply voltage does not exceed 30 VDC. Front panel LED indicators provide channel OK, alert, and danger status. Use the Mini DIN RS-232 configuration socket for parameter setup and monitoring.\u003c\/p\u003e\u003ch2\u003eCompatibility and System Integration\u003c\/h2\u003e\u003cp\u003eThis module integrates seamlessly into the CSI 6500 platform and supports PlantWeb and AMS Suite. It offers ModBus TCP\/IP output for analysis parameters (½x, 1-10x, phase angle) and includes rear buffered outputs (0-10 VDC) and 0\/4-20 mA current outputs for each channel. The Emerson A6125 works with Ovation and DeltaV process control systems, providing integrated machinery health data.\u003c\/p\u003e\u003ch2\u003eSelection Guide and Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing, verify your sensor type: the \u003cstrong\u003eEmerson A6125\u003c\/strong\u003e supports accelerometers and velometers with piezoelectric output. Choose the variant (6125\/00 or 6125\/10) based on your sensor’s voltage range. For relay expansion, consider the A6740 relay card for extended alarm delays (0-36 seconds). At \u003cstrong\u003eUBEST Automation\u003c\/strong\u003e (\u003ca href=\"https:\/\/ubest101.myshopify.com\"\u003eubest101\u003c\/a\u003e), we stock genuine Emerson CSI parts. Contact our team for compatible accessories and application support.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default","offer_id":44404453277795,"sku":"A6125","price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/A6125.jpg?v=1785065266","url":"https:\/\/www.plcsourcepro.com\/products\/emerson-a6125-of-inputs-piezoelectric-vibration-monitor","provider":"PLC Source PRO","version":"1.0","type":"link"}