Emerson A6500-UM | Universal Measurement Card

Description

Functional Features: Compatibility with Multiple Types of Sensors: Equipped with 2 sensor input channels, which can work independently or in combination. It can cooperate with various common sensors such as eddy current, piezoelectric (accelerometer or velocimeter), seismic (electrodynamic), low-frequency bearing vibration, Hall effect, and LVDT (combined with A6500-LC). Rich Input and Output Interfaces: There are 5 digital inputs and 6 digital outputs, which can be configured for various control and alarm functions. It is provided with 0/4 - 20mA analog outputs, which are used to transmit signals to external monitoring systems or controllers. The outputs have a common ground and are electrically isolated from the system power supply to prevent interference. It also provides a USB interface for connecting to a PC or laptop, facilitating the configuration of the card and the real-time visualization of measurement results. Multiple Measurement Functions: It can measure a variety of mechanical health indicators such as absolute shaft vibration, relative shaft vibration, shaft eccentricity, piezoelectric housing vibration, thrust and rod position, differential and housing expansion, valve position, etc.

Technical Parameters: Power Supply Voltage: -23.25V / -26.0V DC is optional, with short-circuit protection. The maximum power supply load is 35mA, the power supply accuracy is ±1%, the power supply load variation is ±1% (load from 0 to 100%), and the power supply temperature drift is ±1%. Signal Range: The voltage range of the eddy current input signal and the original signal is -1V to -22V, the frequency range is 0 to 18750Hz, and the attenuation is < 0.1db. Working Environment: The working temperature range is -20°C to +70°C, the storage temperature is -40°C to 85°C, the relative humidity is 5 - 95% (non-condensing). It can withstand an impact of 150m/s², 4000 times per shaft. In terms of vibration, it is 0.15mm (10 to 55Hz) and 20m/s² (55 to 150Hz).

Application Scenarios: Industrial Automation: Suitable for the monitoring of production processes in industries such as chemical, petroleum, and steel. By monitoring physical quantities such as temperature, pressure, liquid level, and flow rate in real time, it ensures the stability and safety of the production process. Process Control Systems: It can be used in the control links of various industrial processes. Cooperating with control systems such as PLC and DCS, it realizes precise control and optimized operation of equipment. Power Monitoring: In the power industry, it can be used to monitor the operating status of power equipment such as transformers, generators, and circuit breakers. Through real-time monitoring and early warning, it ensures the stability and safety of power supply.

The Emerson A6500-UM is a universal measurement card of the AMS 6500 ATG mechanical protection system. Its working principle is as follows: Signal Input: The card is equipped with 2 sensor input channels, which can receive signals from various common sensors such as eddy current, piezoelectric (accelerometer or velocimeter), seismic (electrodynamic), LF (low-frequency bearing vibration), Hall effect, and LVDT (combined with A6500-LC). These sensors are responsible for collecting relevant physical quantities of rotating machinery, such as vibration, displacement, speed, etc., and converting them into electrical signals for input into the A6500-UM card. The input signal voltage range is -1V to -22V, and the input frequency range is 0Hz to 18.75kHz. Signal Processing and Transmission: The A6500-UM card processes the input sensor signals. The measurement signals are transmitted to the A6500-CC communication card through the internal RS 485 bus and converted into Modbus RTU and Modbus TCP/IP protocols for further transmission to the host computer or analysis system. In addition, the communication card provides a communication interface through the USB socket on the panel, which can be connected to a PC/laptop for configuring the card and visualizing the measurement results. Function Realization: The A6500-UM card can realize multiple measurement functions, including absolute shaft vibration, relative shaft vibration, shaft eccentricity, piezoelectric housing vibration, thrust and rod position, differential and housing expansion, valve position, speed, and key signal input, etc. It analyzes and calculates the input signals to obtain the measured values of these parameters, and makes judgments and processing according to the preset thresholds and logic. Output and Control: The measurement results can be output through the analog output of 0/4 - 20mA. These outputs have a common ground and are electrically isolated from the system power supply. At the same time, the card also includes 5 digital inputs and 6 digital outputs, which can be used for the interaction and control of digital signals with other devices. For example, external alarm devices, relays, and other devices can be controlled through digital outputs to achieve the protection and control of rotating machinery.

Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands

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