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Home > Electrical & Electronics > Electrical Control System > Emerson VE4001S2T2B6 Standard I/O Termination Block

Emerson VE4001S2T2B6 Standard I/O Termination Block

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Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating temperature -20°C to +70°C

Output voltage 24V DC

I. Overview

VE4001S2T2B6 is an electric actuator widely used in various industrial pipeline systems for precise control of valve opening, closing, and opening degree adjustment. It uses electricity as the driving source and converts electrical energy into mechanical energy through internal mechanisms such as motors and gear transmissions to achieve precise control of valves. It is a key equipment to ensure the stable transportation and adjustment of fluid media (such as liquids, gases, steam, etc.) in industrial production processes.

In the production processes of many industries such as petrochemicals, water treatment, and power energy, parameters such as flow rate, pressure, and temperature of fluid media need to be strictly controlled. The VE4001S2T2B6 electric actuator, in conjunction with the corresponding valve, can accurately adjust the valve opening according to the instructions from the control system, thereby precisely controlling the delivery volume of the fluid medium and ensuring that the production process parameters are within the optimal range. For example, in the feeding process of a reaction kettle in chemical production, the opening degree of the feeding valve is controlled by VE4001S2T2B6, which can precisely adjust the feeding speed of raw materials, ensure the smooth progress of the reaction, and improve product quality and production efficiency.

II. Technical Parameters

Drive motor: Adopts a high-performance three-phase asynchronous motor with a rated power of 0.75kW, a rated voltage of 380V AC, and a rated frequency of 50Hz. The motor features large starting torque, stable operation, and high efficiency, which can provide sufficient and reliable power for the operation of the actuator, ensuring that it can normally drive the valve to act under various working conditions.
Output torque: The output torque can reach 400N・m, which can meet the driving needs of valves of different specifications. Even when the valve is subjected to large medium pressure, it can stably and reliably complete opening, closing, or adjustment actions to ensure the normal operation of the valve.
Action time: The action time from fully closed to fully open of the valve is ≤30 seconds. The fast action response capability enables the actuator to timely adjust the valve state according to the instructions of the control system, which is suitable for industrial scenarios with certain requirements on adjustment speed, improving the control accuracy and response speed of the system.
Stroke range: Supports 0 - 90° angular stroke adjustment, applicable to the control of angular stroke valves such as butterfly valves and ball valves. It can realize continuous adjustment of the valve from fully closed to fully open, meeting the needs of different flow control.
Protection level: The protection level reaches IP67, with excellent dustproof and waterproof performance. It can operate stably in humid and dusty industrial environments, effectively preventing external pollutants from entering the interior of the actuator, damaging internal electrical components and mechanical structures, and prolonging the service life of the equipment.
Working environment: The working temperature range is -20°C to +70°C, allowing it to work normally in relatively harsh temperature environments; the relative humidity is 5% - 95% (no condensation), adapting to industrial places with different humidity conditions. At the same time, the actuator can also withstand a certain degree of vibration and impact. It can still maintain a stable working state under the conditions of vibration frequency of 10 - 55Hz, acceleration of 10m/s², and impact acceleration of 25m/s².
Control signal: Supports 4 - 20mA DC analog control signal and switching value control signal (passive contact). The 4 - 20mA DC analog signal can realize continuous and precise adjustment of the valve opening, while the switching value signal is used to control the fully open and fully closed actions of the valve, meeting the needs of different control modes and facilitating integration with various control systems.
Feedback signal: Outputs 4 - 20mA DC analog feedback signal, which can real-time feed back the actual opening information of the valve to the control system, forming a closed-loop control, enabling the control system to accurately grasp the operating state of the valve, thereby achieving more precise control.

III. Functional Features

High-precision adjustment: The VE4001S2T2B6 electric actuator adopts advanced position detection and control technology, which can precisely control the valve opening with a control accuracy of ±1%. Whether in the process of continuous adjustment or switching control, it can ensure the accuracy of valve actions, ensure that the parameters of the fluid medium are controlled within the preset range, and improve the stability of the production process.
Multiple protection functions: It has a complete protection mechanism, including over-torque protection, over-current protection, over-heat protection, etc. When the actuator encounters abnormal situations such as valve jamming and motor overload during operation, it can automatically cut off the power supply, stop the action, avoid damage to the actuator and valve due to overload, and send out a fault alarm signal to remind operators to handle it in time, improving the safety and reliability of the equipment.
Manual operation function: In special cases such as power failure or electrical failure, the valve can be operated through the manual operation mechanism, ensuring that the valve can still be controlled in emergency situations, guaranteeing the continuity of the production process, and reducing the loss of production interruption caused by equipment failure.
Remote control and monitoring: It supports remote control function, and can operate the actuator by sending control instructions through the control system. At the same time, it can real-time transmit the operating status of the actuator (such as valve opening, operation failure, etc.) to the remote monitoring center, facilitating operators to remotely monitor and manage the equipment, and improving the efficiency and convenience of production management.
Compact structure, easy installation and maintenance: It adopts a compact structure design with small volume and small space occupation, which is convenient for installation in various pipeline systems. The shell of the actuator adopts a detachable design, and the internal components are reasonably arranged, facilitating daily inspection, maintenance and repair work, and reducing the maintenance cost and difficulty of the equipment.

IV. Common Faults and Solutions

The actuator does not act
Possible causes: The power supply is not connected or the power supply voltage is abnormal; the control signal is not connected or the control signal is faulty; the motor is damaged; the transmission mechanism is stuck.
Solutions: First, check whether the power connection is normal, use a multimeter to measure whether the power supply voltage is within the rated range (380V AC±10%). If the power supply is abnormal, check the power supply line and power supply equipment; check whether the control signal line connection is firm, use a signal generator to detect whether the control signal is output normally. If the signal is abnormal, check the control system or signal transmission line; if both the power supply and signal are normal, the motor may be damaged and needs to be replaced; if the motor is normal, check whether the transmission mechanism is stuck by foreign objects or has damaged components, clean up the foreign objects or replace the damaged components.

Large deviation in valve adjustment accuracy
Possible causes: Abnormal position feedback signal; incorrect parameter setting of the positioner; wear of the transmission mechanism.
Solutions: Check whether the position feedback signal line is well connected, use a multimeter to measure whether the feedback signal is within the 4 - 20mA DC range and corresponds to the actual opening of the valve. If the signal is abnormal, check the feedback sensor or signal line; recalibrate the positioner parameters, set and calibrate the positioner according to the requirements of the product manual; if the transmission mechanism is worn, check the wear of gears, lead screws and other components, and replace the severely worn components.

Abnormal noise during operation
Possible causes: Poor lubrication of the transmission mechanism; loose components; wear of motor bearings.
Solutions: Lubricate the transmission mechanism by adding an appropriate amount of lubricating oil or grease; check whether the connections of internal components of the actuator are firm, and fasten the loose components; if the motor bearings are worn, replace the motor bearings to eliminate abnormal noise.

Frequent action of over-torque protection
Possible causes: The valve is stuck or there is foreign matter between the valve core and the valve seat; the over-torque protection parameter setting is unreasonable.
Solutions: Check whether the valve is stuck, clean up the foreign matter between the valve core and the valve seat, and maintain the valve; recheck and adjust the over-torque protection parameters to match the actual working conditions, so as to avoid misoperation of the protection device due to improper parameter settings.

Product Tags: VE4001S2T2B6