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| Manufacture | Emerson |
| Model | A6312/06 |
| Ordering information | A6312/06 |
| Catalog | CSI 6500 |
| Description | Emerson A6312/06 Speed and Key Monitor |
| Origin | Germany (DE) |
| HS Code | 85389091 |
| Dimension | 16cm*16cm*12cm |
| Weight | 0.8kg |
Speed and Key Monitor Specifications
The Speed and Key Monitor is designed for high reliability for the plant’s most critical rotating machinery monitoring speed, phase, zero speed and direction of rotation. This 1-slot monitor is used together with the AMS 6500 monitors to build a complete API 670 machinery protection monitor. Applications include steam, gas, compressors and hydro turbo machinery. The Speed and Key Monitor can be configured for redundant mode where automatic switchover from primary to backup tach is possible. Sensor gap voltage and pulse counting/comparison are monitored to trigger switchover. When the Speed and Key Monitor is operating in redundant mode, the main and failover key or speed displacement sensor must be installed in the same axial plane to ensure phase continuity upon failover. Speed measurements consist of a displacement sensor mounted internally to the machine with the target being a toothed wheel, a keyway or gear rotating on the shaft. The purpose of the speed measurement is to alarm on zero speed, monitor for reverse rotation and provide a speed measurement to track process conditions for advanced analysis. Key, or phase measurements, also consist of a displacement transducer but must have a once per revolution target, not a toothed wheel or gear for a target. The phase measurement is a critical parameter when looking for machine health changes.
The AMS 6500 is an integral part of PlantWeb® and AMS software. PlantWeb provides operations integrated machinery health combined with the Ovation® and DeltaV™ process control system. AMS software provides maintenance personnel advanced predictive and performance diagnostic tools to confidently and accurately determine machine malfunctions early.
Transducer Inputs Number of Inputs Two, independent Type of Inputs Eddy current, differential Emerson Sensor Inputs Part number: 6422, 6423, 6424, 6425 Isolation Galvanically separated from power supply Input Resistance >100 kΩ Input Voltage Range 0 to ±27.3 VDC Input Frequency Range 0 - 20,000 Hz, 65,535 RPM
Two-channel 3U size plug-in modules decrease cabinet space requirements in half from traditional four-channel 6U size cards API 670 compliant, hot swappable module Remote selectable limit multiply and trip bypass Rear buffered proportional outputs, 0/4-20 mA output Self-checking facilities include monitoring hardware, power input, hardware temperature, sensor and cable Use with displacement sensor 6422, 6423, 6424 and 6425 and driver CON 011/91, 021/91, 041/91 6TE wide module used in AMS 6000 19” rack mount chassis 8TE wide module used with AMS 6500 19” rack mount chassis
Our products are all original with one year warranty, welcome to inquiry!
Sumset International Trading Co., Limited
Parent company: Xiamen Hongxinhe Trading Co., Ltd.
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Mobile (WhatsApp): +86 18030030532
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