{"product_id":"vibro-meter-gsi127-244-127-000-017-a1-b02-galvanic-separation-unit","title":"Unité de séparation galvanique Vibro-Meter GSI127 244-127-000-017 A1-B02","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGSI127 244-127-000-017 A1-B02\u003c\/strong\u003e is a high-performance galvanic separation unit designed for electrical isolation and signal conditioning within industrial machinery vibration monitoring chains. This unit acts as a protective and signal-preserving link between field-side sensors or signal conditioners and the central monitoring system. It supports 2-wire current or 3-wire voltage transmission modes, delivering power to external devices while transferring dynamic vibration and pressure data across a secure galvanic isolation barrier. By preventing ground loops and filtering frame voltage noise, it ensures high-integrity signal transmission for critical machinery diagnostics.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Voltage Galvanic Separation:\u003c\/strong\u003e Provides 4 kVRMS isolation between the sensor side and the monitor side, alongside 50 VRMS isolation between the power supply and output signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Chain Compatibility:\u003c\/strong\u003e Designed to interface seamlessly with signal conditioners, charge amplifiers, and integrated electronics across multiple generations of equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Voltage Rejection:\u003c\/strong\u003e Features high rejection of frame voltage to mitigate electrical noise in demanding industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Transmission Design:\u003c\/strong\u003e Accommodates both 2-wire constant-current and 3-wire voltage transmission methods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area Readiness:\u003c\/strong\u003e Ex certified for safe operation within potentially explosive atmospheres when matched with compliant field instrumentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Deployed in safety protection and diagnostic monitoring systems for power generation turbines and large generators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy, Oil \u0026amp; Gas:\u003c\/strong\u003e Utilized in hazardous process areas to safely isolate field-mounted instrumentation from control room racks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Manufacturing:\u003c\/strong\u003e Continuous monitoring of critical rotating machinery, including heavy-duty motors, industrial pumps, and compressors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace Engineering:\u003c\/strong\u003e High-precision vibration analysis and monitoring for aircraft components and specialized test bench environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGSI127\u003c\/strong\u003e is explicitly engineered to interface with a wide range of proprietary and industry-standard hardware components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Conditioners \u0026amp; Charge Amplifiers:\u003c\/strong\u003e Fully compatible with IPC707 and older IPC704 electronics paired with CAxxx piezoelectric accelerometers and CPxxx dynamic pressure sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProximity Sensor Systems:\u003c\/strong\u003e Supports IQS9xx and heritage IQS4xx signal conditioners used alongside TQ9xx proximity probes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Sensors:\u003c\/strong\u003e Connects directly to CExxx piezoelectric accelerometers with attached\/integrated electronics, and VE210 velocity sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEPE Vibration Sensors:\u003c\/strong\u003e Interfaces with industry-standard constant-current voltage output sensors, such as the CE620, PV660, CE680, CE110I, and PV102.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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 Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVibro-Meter (Meggitt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGSI127 244-127-000-017 A1-B02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e244-127-000-017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanic Separation Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire current or 3-wire voltage transmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Power Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw (No Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 80 mA on sensor side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw (20 mA Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 120 mA on sensor side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage Dynamic Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 to 20 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 V\/mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZero Point Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 mA - 7 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Voltage Rejection (10 Hz to 400 Hz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 60 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Voltage Rejection (400 Hz to 100 kHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 30 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Isolation Barrier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 kVRMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 70 degC (32 to 158 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard version for indoor use (requires enclosure for high protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (Estimated Size)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.2 x 11.5 x 11.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard TH 35 DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemovable screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting:\u003c\/strong\u003e Securely snap the housing onto a standard 35 mm TH 35 DIN rail. Ensure the orientation allows sufficient ventilation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor-Side Wiring:\u003c\/strong\u003e Connect the field-side signal conditioner or integrated transmitter (e.g., IPC707 or IQS9xx) to the top removable screw terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor-Side Wiring:\u003c\/strong\u003e Route the output signal from the bottom terminals directly to the monitoring system or data acquisition rack (e.g., VM600 rack).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Restrictions:\u003c\/strong\u003e Apply a stable 24 VDC external supply line. For safety-related and critical protection applications, the sourcing power supply must feature a safe operating limit that does not exceed 60 VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Protection:\u003c\/strong\u003e Because this standard version is intended for clean indoor environments, it should be housed within an appropriately rated industrial enclosure if deployed in areas subject to moisture, dust, or harsh environmental contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEx Certification:\u003c\/strong\u003e Certified for deployment in connection with potentially explosive atmospheres and hazardous process areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation Standards:\u003c\/strong\u003e 4 kVRMS rated separation between input and output circuits; 50 VRMS isolation between the internally distributed power supply and output signal pathways.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the GSI127 module actually do in a measurement chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit provides a secure electrical barrier that prevents high common-mode voltages and ground loops from damaging sensitive monitoring racks while letting vibration signals pass through uncorrupted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this device directly with standard IEPE constant-current sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it is natively compatible with standard constant-current voltage output sensors such as the CE620 and PV660.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit support both voltage and current transmission modes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is designed to accommodate 2-wire current transmission or 3-wire voltage transmission configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the 4 kVRMS specification?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis indicates the high-voltage galvanic separation strength built between the hazardous field sensor side and the safe monitor side.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the power requirements for this device?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt requires a nominal input of 24 VDC, accepting an operational input span anywhere between 18 VDC and 30 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the installation note mention a 60 VDC power limit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor safety-critical or machinery protection loops, limiting the power supply to 60 VDC prevents an upstream fault from overwhelming the safety barriers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this device suitable for outdoor mounting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a standard indoor-use version, meaning it requires an appropriate weatherproof industrial electrical enclosure if mounted outdoors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of terminal blocks are utilized on the housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features removable screw-terminal connectors that simplify field installation and wire replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this product still in active production by the OEM?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, this unit has been officially discontinued by the manufacturer, but it remains fully supported for legacy machinery retrofits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit handle high-frequency electrical noise from surrounding frames?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it offers a frame voltage rejection level of \u0026gt;= 60 dB at low frequencies (10 Hz to 400 Hz) and \u0026gt;= 30 dB up to 100 kHz.\u003c\/p\u003e","brand":"VIBRO-METER","offers":[{"title":"Default Title","offer_id":53240088330603,"sku":"GSI127 244-127-000-017 A1-B02","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/GSI127244-127-000-017A1-B02.png?v=1779884367","url":"https:\/\/www.plcprotech.com\/fr\/products\/vibro-meter-gsi127-244-127-000-017-a1-b02-galvanic-separation-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}