GE VMIVME-4140 High Performance Analog Output Board

Description

GE VMIVME-4140 is a high-performance analog output board designed specifically for industrial control systems based on VMEbus. As part of GE’s extensive industrial automation product portfolio, it plays a critical connecting role between digital control systems and analog control equipment on site.

VMIVME-4140

VMIVME-4140

Main features and advantages:
From a functional perspective, it provides 32 high-quality analog output channels, each with a resolution of 12 bits. This high resolution enables precise control as it can accurately represent a wide range of simulated values. This board is capable of providing or absorbing 10 mA of current within a voltage range of ± 10 V, making it suitable for driving various analog based actuators and devices. Each output channel has a dedicated digital to analog converter (DAC) to ensure that each channel can independently and accurately generate signals.

This high-resolution output can achieve high precision when controlling analog devices. In applications that require extremely high precision, such as precision manufacturing or medical equipment control, a 12 bit resolution ensures that the generation of analog signals has extremely high accuracy. For example, in semiconductor manufacturing processes, the deposition of materials requires nanometer level precision control, and VMIVME-4140 can provide the necessary accuracy for its analog output signals.

This board is capable of providing or absorbing 10 mA of current within a voltage range of ± 10 V, making it highly versatile. It can drive various analog based actuators, from solenoid valves in small laboratories to large industrial motors. Equipping each output channel with a dedicated DAC is another advantage. This design ensures that channels do not interfere with each other and each channel can be independently controlled. This is crucial for applications that require simultaneous control of different devices with varying output values.

VMIVME-4140 also has advanced calibration and diagnostic functions. Calibration can be initiated through VMEbus system reset or software commands. During the calibration process, the board compiles and stores offset and gain coefficient tables in its internal RAM. This ensures that the analog output signal can remain accurate for a longer period of time even in the event of environmental changes or component aging. The self diagnostic function is equally impressive. After the system is reset, the board will automatically run a self-test. The self-test result is displayed in the self-test register, which can not only indicate whether the self-test is successful, but also indicate the specific channel where the fault occurred (if any). This helps to quickly identify and solve problems, minimizing downtime in industrial operations.

In terms of hardware design, the GE VMIVME-4140 is sturdy and durable, capable of withstanding the harsh tests of industrial environments. It can withstand temperature changes, vibrations, and electrical noise. The board is designed to be compact and easy to integrate into existing control cabinets, without taking up too much space. In addition, it complies with the VMEbus specification, ensuring seamless integration with other VMEbus components in the control system.

VMIVME-4140

Technical specifications:
Model GE VMIVME-4140
Brand General Electric (GE)
Module Type Analog Output Board
Interface VMEbus
Number of channels 32
Resolution of 12 bits
The output current can provide or absorb 10 mA
Output voltage range ± 10 V
Each channel D/A converter is
The calibration method is initiated by resetting the VMEbus system or using software commands
Automatic self checking after system reset; The result is displayed in the self-test register
Working temperature -40 ° C to+85 ° C
Humidity 5-95% (no condensation)

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VMIVME-4140

Application areas:
Accurate control of fluid distribution during drug production is crucial in pharmaceutical production facilities. VMIVME-4140 functions here by converting digital signals from the control system into precise analog outputs. These outputs are used to regulate the flow rate of various chemical compounds, ensuring consistency in the composition of each batch of drugs. This not only ensures product quality, but also complies with strict regulatory standards.

In the field of power generation, whether it is large thermal power plants or wind farms, GE VMIVME-4140 is indispensable. In thermal power plants, it can control the opening of turbine valves. By receiving digital instructions from the distributed control system (DCS) of the power plant, this module generates analog signals to accurately adjust the opening and closing of valves, thereby regulating steam flow and optimizing the speed and power output of the turbine. In wind farms, VMIVME-4140 can be used to adjust the pitch angle of wind turbine blades. It receives digital data related to wind speed and direction, and converts it into analog signals for controlling the hydraulic system responsible for blade pitch adjustment. This helps to capture energy to the maximum extent possible while protecting the turbine from excessive stress under high wind speed conditions.

The automotive assembly line also relies on VMIVME-4140 to complete tasks such as controlling conveyor belt speed. This module can receive digital instructions according to the production plan and convert them into analog signals, accurately controlling the motor that drives the conveyor belt. This ensures that car parts move at an appropriate speed, promoting smooth assembly operations. In any industrial environment that requires digital to analog conversion to drive actuators, control valves, or regulate variable frequency drives, the GE VMIVME-4140 is an invaluable asset, making it a standard for industrial control systems worldwide.

VMIVME-4140

Related products:
VMIVME-4116- an 8-channel 16 bit resolution analog output board. It can be used in scenes that require fewer channels but higher resolution. For example, in research laboratories, when precise control of a small number of analog devices is required, 4116 can be used in conjunction with VMIVME-4140 to expand the system’s analog output capabilities.
VMIVME-3122- a 16 bit analog scanning and digital input board. In industrial control circuits, VMIVME-3122 can be used to digitize the analog input signals of sensors, and then VMIVME-4140 can generate corresponding analog output signals based on the processed data to control actuators. The two together constitute a complete input-output solution for simulation based control systems.
VMIVME-7698- a high-performance VMEbus single board computer. VMIVME-7698 can serve as the host processor for VMIVME-4140. It can send digital instructions to 4140, process data related to analog output operations, and manage the entire control system. This combination is suitable for complex industrial applications that require powerful computing power and precise analog output control.
VMIVME-2170A – a 32-bit optically isolated digital output board. In some control systems, it may be necessary to combine the digital output signal of 2170A with the analog output signal of VMIVME-4140 to achieve a comprehensive control strategy. For example, in a system that requires coordinated control of digital and analog actuators, these two boards can work together.
VMIVME-6005- an intelligent communication controller. VMIVME-6005 can enhance the communication capability of VMIVME-4140. It enables the 4140 to communicate with other devices in the networked control system, enabling remote monitoring and control of analog output operations. This is very useful for large industrial factories that require centralized control and monitoring.
VMIVME-2232- a 32 channel relay output board. In applications that require switching electrical circuits based on the analog output conditions set by VMIVME-4140, 2232 can be used. For example, if the analog output of 4140 reaches a certain threshold, 2232 can be triggered to turn on or off a specific electrical circuit.
VMIVME-4900- a dual channel digital to synchronizer board. In systems involving synchronous motors or other synchronous devices, VMIVME-4140 can generate analog signals, while 4900 can convert digital data related to the control of these synchronous devices. They can work together to ensure the normal operation of synchronized components in industrial settings.

Installation and maintenance:
Before installing GE VMIVME-4140, it is necessary to ensure that the VMEbus backplane has an available slot with the correct electrical characteristics. When handling the board, extreme 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-4140 into the backplane, ensure that it is aligned correctly. Improper 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 may accumulate over time and affect the performance of the board, especially in environments with high levels of particulate matter. Clean the board 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 accuracy in analog output. Check the accuracy of the output signal using a calibrated reference signal. 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-4140.

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