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GE VMIVME-3122 is a high-performance 16 bit analog scanning and digital input board designed specifically for VMEbus system applications. As part of GE’s comprehensive industrial control product portfolio, it serves as an important bridge between analog sensors and digital control systems.
VMIVME-3122
Main features and advantages：
This high resolution provides excellent dynamic range, enabling it to accurately capture and digitize the smallest changes in analog signals. In applications that require extremely high precision, such as high-end scientific research or aerospace manufacturing, this resolution ensures that no important data is lost. For example, when testing jet engines, measuring small temperature changes with 16 bit resolution allows the board to detect and record these changes with extremely high accuracy.
This board offers multiple scanning rate options, with a scanning rate range of 381 Hz to 100 kHz for high-performance applications and 381 Hz to 50 kHz for standard performance applications. The flexibility of this scanning rate enables engineers to optimize the performance of the board according to specific application requirements. In high-speed manufacturing environments that require real-time monitoring of rapidly changing variables, a higher scanning rate can be chosen. On the contrary, when considering power consumption or data storage capacity, a lower scan rate may be more appropriate.
VMIVME-3122 also has programmable channel gain function. Each channel can be individually programmed with x1 or x10 gain, or the board can be configured to use fixed gain for all channels. This function is very useful when dealing with mixed low-level and high-level analog signals. For example, in a multi-sensor industrial setup, some sensors generate weak signals while others generate strong signals, and programmable gains enable the board to effectively process all of these signals, ensuring that all data can be accurately digitized.
The dual port data buffer of GE VMIVME-3122 is another significant advantage. The buffer has a capacity range of 16 to 1024 words and is used to store digital data, which can be accessed by the host processor at any time from the VME bus. This means that the host processor can retrieve data at its own pace without worrying about data loss due to data overflow. In addition, the board supports multiple operating modes, including automatic scanning, data burst transmission, and external synchronization. Multiple boards can be synchronized together, allowing up to 16 boards to start scanning simultaneously. This scalability is crucial for large-scale industrial applications that require monitoring a large number of analog inputs.
In terms of hardware design, VMIVME-3122 is capable of withstanding the rigorous tests of industrial environments. It has a sturdy structure that can withstand temperature changes, vibrations, and electrical noise. The board also has an optional low-pass input filter, which helps to remove high-frequency noise from analog signals before digitization. This ensures the cleanliness and reliability of digital data, reducing the possibility of errors in the control system.
VMIVME-3122
Technical specifications:
Model GE VMIVME-3122
Brand General Electric (GE)
Module type: Analog scanning and digital input board
Interface VMEbus
Resolution 16 bits
64 channels (differential or single ended)
High scanning rate performance: 381 Hz -100 kHz; Standard performance: 381 Hz -50 kHz
Range of A/D converter: ± 2.5 V, ± 5 V, ± 10 V, 0 to+5 V, 0 to+10 V (selected by jumper)
Programmable gain x1 or x10 (shared by each channel or all channels)
Data buffer capacity of 16-1024 words (dual port)
Working temperature -40 ° C to+85 ° C
Humidity 5-95% (no condensation)
Contact Us
Phone:+86 16626708626
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Email: 3772179818@qq.com
VMIVME-3122
Application areas:
On high-speed car assembly lines, it can accurately measure the torque applied by the robotic arm when tightening bolts. By accurately digitizing the simulated torque signal, VMIVME-3122 can achieve real-time adjustment to prevent bolts from being too tight or too loose, thereby avoiding product defects.
In the process control industry such as chemical engineering, GE VMIVME-3122 is indispensable. Chemical reactions typically require precise control of parameters such as temperature, pressure, and flow rate. Thermocouples and RTDs (resistance temperature detectors) are used to measure these variables in analog form. VMIVME-3122 is responsible for digitizing the outputs of these sensors. For example, in a petrochemical plant, it can scan and digitize signals from hundreds of sensors spread throughout the entire plant. The control system then utilizes these digital data to maintain optimal reaction conditions, ensuring product quality and factory safety.
The data acquisition system of the research laboratory also heavily relies on VMIVME-3122. In the materials science laboratory, strain gauges are used to measure the deformation of samples under stress when studying the mechanical properties of new materials. VMIVME-3122 can interface with these strain gauges to digitize analog signals, providing researchers with accurate data for analysis. Training simulators used in industries such as aviation or power generation also benefit from this board. It can accurately simulate simulated signals from the real world, allowing trainees to practice operating complex systems in a safe and controllable environment. In summary, GE VMIVME-3122 is a reliable and high-performance solution for converting and managing high-resolution analog signals in industrial, research, or training environments.
Related products:
VMIVME-3230- GE’s 8-channel thermocouple card. When the system requires both general analog input scanning (processed by 3122) and specific thermocouple temperature measurement, it can be used in conjunction with VMIVME-3122. 3230 can provide highly accurate temperature data, while 3122 manages other analog signals in the system.
VMIVME-2170A -32-bit optically isolated digital output board. In industrial control settings, VMIVME-3122 can digitize analog input signals, while 2170A can send digital control signals to actuators based on data processed by 3122. They work together to complete the input-output cycle in the control system.
VMIVME-7658- High performance processor board. VMIVME-3122 can feed digital analog data to 7658. With its powerful processing capabilities, 7658 can perform complex calculations and analysis on these data, making it suitable for applications that require high-speed data processing in addition to accurate analog input processing.
VMIVME-6005- Intelligent Communication Controller. It can be integrated with VMIVME-3122 to enhance the communication capability of the entire system. 6005 can help transmit the digital data of 3122 to other parts of the network, such as remote monitoring stations or higher-level control systems.
VMIVME-4900- Dual channel digital to synchronizer card. In systems involving synchronous motors or other synchronous equipment, VMIVME-3122 can digitize relevant analog signals, while 4900 can convert digital data into appropriate synchronous signals to ensure the smooth operation of synchronous components in the system.
VMIVME-2232-32 channel relay output board. Once VMIVME-3122 digitizes and processes the analog input signal, 2232 can control the relay based on the processed data. This is very useful in applications where circuits need to be connected or disconnected based on analog input conditions.
VMIVME-4140- Another analog related board in the GE product line. It can be used in parallel with VMIVME-3122 to increase the total analog input capacity of the system. For example, in a large industrial factory with a large number of analog sensors, these two boards can be deployed to handle a large number of analog signal processing tasks.
Installation and maintenance:
Before installing GE VMIVME-3122 , it is necessary to ensure that the VMEbus backplane has an available slot with the correct electrical characteristics. When handling boards, extra caution must be taken and strict electrostatic discharge (ESD) prevention procedures must be followed. Use anti-static gloves and a grounded workbench to avoid any potential damage to sensitive components on the board. When inserting VMIVME-3122 into the backplane, please ensure that it is aligned correctly. Incorrect alignment may result in bent pins or poor electrical connections, which may cause intermittent or complete failures of the board.
For maintenance, it is recommended to conduct regular visual inspections. Check for any physical signs of damage, such as discoloration of components, loose connections, or signs of overheating. Regularly clean the board to remove dust and debris, as these substances accumulate over time and affect the performance of the board, especially in environments with high particulate matter content. Clean the card edge connector at least once a year with a suitable contact cleaner to maintain good conductivity. Regularly verify the calibration status of the board, especially in applications that require high-precision analog digitization. Use calibrated reference signals to check the accuracy of the digitization process. If any deviation is detected, please recalibrate according to the manufacturer’s guidelines. In addition, it is important to closely monitor the operating temperature of the board. Ensure that the cooling system in the chassis where the board is installed is functioning properly, as overheating can significantly reduce the lifespan and performance of VMIVME-3122 .
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