描述
REXROTH VT-VSPA1-1-11产品详情
REXROTH VT-VSPA1-1-11是一款用于工业液压系统的比例阀功率放大器。该模块由力士乐（Rexroth）制造，主要用于将低功率的电气控制信号转换为高功率的电流信号，以精确地驱动液压比例阀。
以下是该模块的主要特点和功能：
产品类型：比例阀功率放大器/放大器模块
型号系列：VT-VSPA1
核心功能：
信号转换：将来自PLC、控制器或操作站的低压控制信号（如0-10 VDC或4-20 mA）放大并转换为大电流信号，以精确地驱动液压比例阀的电磁线圈。
精确控制：能够提供精确的电流控制，使得比例阀的开口度可以根据输入信号的微小变化而线性地调整，从而实现对流量、压力或方向的精确控制。
内置诊断：具备诊断功能，能够监控输出电流和电源状态，并在发生故障时提供报警或保护。
斜坡功能：通常具备可调节的斜坡（Ramp）功能，可以平稳地增加或减少输出电流，从而实现液压系统的平顺启动和停止，避免冲击和震动。
应用领域：
液压系统：在需要精确控制液压缸运动速度、力量和位置的工业液压系统中。
注塑机和压铸机：控制液压缸的运动，确保注塑和锁模过程的精确性。
金属加工：在冲压机、折弯机等设备中，实现精确的压力和位置控制。
REXROTH VT-VSPA1-1-11 Product Details
The REXROTH VT-VSPA1-1-11 is a proportional valve power amplifier for industrial hydraulic systems.Manufactured by Rexroth,this module is primarily designed to convert low-power electrical control signals into high-power current signals for precisely actuating hydraulic proportional valves.
The following are the module’s key features and functions:
Product Type:Proportional Valve Power Amplifier/Amplifier Module
Model Series:VT-VSPA1
Core Function:
Signal Conversion:Amplifies and converts low-voltage control signals(such as 0-10 VDC or 4-20 mA)from a PLC,controller,or operator station into high-current signals to precisely actuate the solenoid coils of hydraulic proportional valves.
Precise Control:Provides precise current control,enabling linear adjustment of the proportional valve’s opening degree based on small changes in the input signal,thereby achieving precise control of flow,pressure,or direction.
Built-in Diagnostics:These devices include diagnostic features that monitor output current and power status,providing alarms or protection in the event of a fault.
Ramp Function:These devices typically feature an adjustable ramp function,which smoothly increases or decreases output current,ensuring smooth starting and stopping of hydraulic systems and avoiding shock and vibration.
Applications:
Hydraulic Systems:Industrial hydraulic systems that require precise control of hydraulic cylinder speed,force,and position.
Injection Molding and Die-Casting Machines:Control the movement of hydraulic cylinders to ensure precision during the injection and clamping processes.
Metalworking:Precise pressure and position control is achieved in equipment such as stamping presses and press brakes.
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