{"product_id":"bently-nevada-991-06-50-02-cn-industrial-automation-module","title":"Bently Nevada 991-06-50-02-CN Industrial Automation Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen unplanned downtime hits your rotating machinery, the \u003cstrong\u003eBently Nevada 991-06-50-02-CN\u003c\/strong\u003e delivers fast fault detection. This Probe Vibration Transmitter is designed for axial thrust monitoring in critical turbomachinery. Its 4-20 mA output and rapid Not OK signal defeat (less than 3.6 mA within 100 µs) ensure operators receive immediate alerts, minimizing damage and repair costs.\u003c\/p\u003e\u003cp\u003ePart of the 991 series, the 991-06-50-02-CN accepts one non-contacting 3300 NSv proximity probe and extension cable. The transmitter operates over a wide temperature range (-35°C to +85°C) and stores safely from -51°C to +100°C. With a weight of only 0.43 kg (0.9 lbm), it mounts easily on a DIN rail.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eKey parameters of the \u003cstrong\u003eBently Nevada 991-06-50-02-CN\u003c\/strong\u003e are derived directly from the product datasheet. These specs ensure reliable performance in harsh industrial environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e 4-20 mA over specified full-scale range in 2-wire configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Accuracy:\u003c\/strong\u003e Within ±1.5% of full scale (typical) when measured across a 250 Ω loop resistance from TEST signal input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Loop Resistance:\u003c\/strong\u003e 1,000 Ω including cable at 35 Vdc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Limiting:\u003c\/strong\u003e 23 mA typical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirement:\u003c\/strong\u003e +12 to +35 Vdc input at the transmitter terminal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Range:\u003c\/strong\u003e 0.25 to 1.65 mm for Prox Out; supports 0.6-0-0.6 mm or 25-0-25 mils current loop linear ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero and Span:\u003c\/strong\u003e Non-interacting external adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot OK\/Signal Defeat:\u003c\/strong\u003e Output drops below 3.6 mA within 100 µs upon fault; restores within 0.1 seconds when fault clears.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eThe 991-06-50-02-CN mounts on a standard DIN rail. Accepts one non-contacting 3300 NSv proximity probe with extension cable. Power requires +12 to +35 Vdc at the transmitter terminal. Use loop resistance up to 1,000 Ω at 35 Vdc. Adjust zero and span externally without interaction. For axial thrust measurements, align the probe per manufacturer guidelines.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eWith an operating temperature range of -35°C to +85°C, the \u003cstrong\u003eBently Nevada 991-06-50-02-CN\u003c\/strong\u003e withstands extreme conditions. Storage from -51°C to +100°C adds flexibility. The rapid Not OK signal defeat protects downstream equipment. Regular inspection of probe and cable integrity is recommended. No scheduled calibration required beyond typical loop checks.\u003c\/p\u003e\u003ch2\u003eTroubleshooting \u0026amp; Common Issues\u003c\/h2\u003e\u003cp\u003eCommon problems with thrust transmitters include probe damage, cable breakage, or power supply fluctuations. The 991-06-50-02-CN’s current limiting (23 mA typical) prevents overcurrent. If output stays at \u0026lt;3.6 mA, check for a Not OK condition (fault within 100 µs). If loop resistance exceeds 1,000 Ω, reduce cable length or increase supply voltage. The non-interacting zero\/span adjustments simplify field recalibration.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen ordering the \u003cstrong\u003eBently Nevada 991-06-50-02-CN\u003c\/strong\u003e, verify the full-scale option (-06: 0.6-0-0.6 mm) and system length (-50: 5.0 meters \/ 16.4 feet). The mounting option (02: bulkhead screws) and agency approval (CN: country specific) are included. For reliable supply, purchase from \u003cstrong\u003eubest101\u003c\/strong\u003e (the store behind PLC Source PRO) to ensure genuine parts and prompt delivery.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44416702906467,"sku":"991-06-50-02-CN","price":261.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-991-06-50-02-cn-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}