{"product_id":"iqs-450-204-450-000-002-vibro-meter-signal-conditioner-s3960-interface","title":"Conditionneur de signal Vibro-Meter IQS 450 \u0026 interface S3960 (204-450-000-002)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIQS 450 (204-450-000-002)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision signal conditioner that forms the essential bridge in a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVibro-Meter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeddy-current measurement chain. It works in tandem with TQ-series proximity transducers (such as the TQ 402 or TQ 412) to provide accurate, non-contact displacement and vibration monitoring. When paired with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS3960\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(often cross-referenced with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGSI 127\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries), the system gains galvanic separation, ensuring that the high-frequency vibration data is transmitted to the control room without interference from ground loops or electrical noise.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Configuration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e204-450-000-002\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration is optimized for high-performance industrial applications, providing standardized outputs for machinery protection systems like the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVM600\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEddy Current Principle:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe IQS 450 drives the transducer sensing coil with a high-frequency carrier signal and demodulates the return signal into a precise analog output proportional to the gap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive Temperature Compensation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated circuitry neutralizes the effects of ambient temperature fluctuations, preventing \"thermal drift\" from causing false vibration alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Length Matching:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis model is calibrated for specific Total System Lengths (TSL), ensuring linearity across the transducer and extension cable assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Interface (S3960\/GSI127):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe S3960 provides 3-way isolation (input, output, and power), protecting the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVM600\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erack electronics from field-side transients and voltage spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIQS 450 (204-450-000-002)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVibro-Meter (Meggitt)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Transducers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTQ 402, TQ 412, TQ 422, TQ 432\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC to 20 kHz (-3 dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage (-2 to -18 V) or Current (4 to 20 mA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-18 to -30 VDC (Standard -24 VDC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35 to \u003cspan class=\"math-inline\"\u003e$+85^{\\circ}C$\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN rail (35 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the role of the S3960 in this measurement chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS3960\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(or GSI 127) acts as an \"Associated Apparatus.\" It stays in the safe area (control cabinet) and provides intrinsically safe power to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIQS 450\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein the field while returning the vibration signal with high fidelity. It is crucial for eliminating ground loops in large-scale industrial plants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I troubleshoot a \"Sensor OK\" fault with the IQS 450?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck the DC bias voltage (Gap Voltage) at the IQS 450 output. If the voltage is 0V or at the supply limit (-24V), there is likely an open or short circuit in the coaxial cable or the transducer tip. A healthy \"middle-of-range\" gap usually displays approximately -10 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I swap an IQS 450 without recalibrating the probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Vibro-Meter proximity systems are designed with interchangeable components. As long as the replacement\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIQS 450\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ematches the Total System Length (e.g., 5m or 10m) and the transducer type, the system remains calibrated.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTSL Consistency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the combined length of the transducer cable and any\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEA 402\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eextension cable matches the calibration of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIQS 450\u003c\/strong\u003e. Using a 5m cable on a 10m calibrated conditioner will result in a 50% sensitivity error.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe miniature coaxial connectors are sensitive to moisture and dirt. Use self-locking connectors and ensure they are hand-tightened until the \"click\" is felt to maintain signal shielding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding Strategy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe DIN rail for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIQS 450\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS3960\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eshould be connected to a high-integrity instrument ground. The cable shield from the field should be terminated at the signal conditioner end only to prevent ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIQS 450 \/ S3960\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecombination is preferred for its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWide Frequency Bandwidth\u003c\/strong\u003e. Unlike standard industrial sensors, this system maintains phase accuracy up to 20 kHz. This is vital for \"Orbit Analysis\" and \"Bode Plots\" used by diagnostic engineers to identify specific turbine faults like shaft rub, oil whirl, or misalignment. The robust aluminum housing and encapsulated electronics ensure that the system remains stable in the high-vibration, high-EMI environments typical of turbine halls.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"VIBRO-METER","offers":[{"title":"Default Title","offer_id":52695204299115,"sku":"IQS450 S3960 204-450-000-002","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/vibro-meter-iqs450-s3960-204-450-000-002-signal-conditioner-i0pu3vm5u0u_7bcdfe6e-cc52-4d7b-8087-8b5523b45971.jpg?v=1766130627","url":"https:\/\/www.plcprotech.com\/fr\/products\/iqs-450-204-450-000-002-vibro-meter-signal-conditioner-s3960-interface","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}