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SADC54 57883146B过程控制PC卡
软启动限制整个软启动过程中的电流，并覆盖最大通用应用程序的数量。为电机提供初始扭矩设置。
从初始扭矩水平开始，电机的输出电压是无级的在加速斜坡时间内增加（斜坡）。初始扭矩设置加速斜坡时间可由用户调整。线性速度加速度
在这种启动模式下，电机加速度保持恒定。
控制器以线性方式从关闭状态加速电机（0速度）
在用户定义的斜坡时间（0…30秒）。Kickstart可用于此选项。
执行此启动模式需要转速计输入（0…5V DC）。
线性速度加速度在机械上的应力最小组件。配置初始扭矩值以定义电机启动价值电流限制开始Current Limit Start通过保持电机的恒定电流。当需要限制时，使用此方法最大起动电流。您可以调整启动电流和电流限制启动斜坡时间。可选Kickstart
kickstart功能在启动时提供了一个助力，以分离可能需要脉冲电流/转矩才能启动。
它旨在提供短时间的电流/电压脉冲。
Kickstart在软启动中可用，电流限制、线性速度加速和泵控制模式双斜坡启动在负载、启动扭矩、和开始时间要求。双斜坡启动使您能够选择通过任何可编程辅助输入在两个单独的启动配置文件之间。每个启动配置文件都可以使用任何可用的启动模式。全电压起动用于需要跨线起动的应用。SMC Flex控制器的性能类似于固态跨线接触器。实现了全涌流和堵转转矩。您可以对SMC Flex控制器提供全电压启动，其中输出电压电机在250毫秒内达到全电压。在需要低速移动的应用程序上使用预设低速定位材料。您可以将预设慢速设置为7%（低）或正向15%（高）。您可以设置倒车速度和10%基本速度设置的（低）或20%（高）。无换向触点必修的。为了帮助实现更精确的停车，制动也是其中的一部分作用您可以为速度和方向软停止模式可用于需要延长停止时间的应用程序时间您可以将电压斜坡下降时间从0秒调整到120秒。这个当编程的停止时间已过或电压斜坡已过时，负载停止下降到负载扭矩大于电机扭矩的点。
Linear Speed Acceleration
With this type of starting mode, the motor acceleration is at a constant rate. The controller accelerates the motor in a linear fashion from the off (0 speed) condition to full speed condition in the time configured in the user-defined ramp time (0…30 seconds). Kickstart is available with this option. A tachometer input (0…5V DC) is required to perform this start mode. Linear Speed Acceleration presents the least amount of stress on mechanical components. An initial torque value is configured to define a motor starting value.
Soft Start limits the current throughout the soft start, and covers the largest number of general applications. The motor is given an initial torque setting. From the initial torque level, the output voltage to the motor is steplessly increased (ramped) during the acceleration ramp time. Initial torque setting and acceleration ramp time are user adjustable.
Selectable Kickstart The kickstart feature provides a boost at startup to break away loads that can require a pulse of current/torque to get started. It is intended to provide a current/voltage pulse for a short time. Kickstart is available in Soft Start, Current Limit, Linear Speed Acceleration, and Pump Control modes
Pump Control Mode
Use Pump Control Mode to reduce surges in a fluid piping system and the resulting fluid hammer or check valve slam that is caused by starting or stopping a centrifugal pump at full voltage and full speed. This mode increases pump life by reducing pump cavitations. To provide these benefits, the microprocessor of the SMC Flex controller generates a motor start curve that follows the starting characteristics of a centrifugal pump and monitors operation during start to deliver reliable pump starts.Dual Ramp Start is useful on applications with variable loads, starting torque, and start time requirements. Dual Ramp Start gives you the ability to select between two separate start profiles via any programmable auxiliary input. Each start profile can use any of the available starting modes.
Full-voltage Start is used in applications that require across-the-line starting. The SMC Flex controller performs like a solid-state across-the-line contactor. Full inrush current and locked-rotor torque are realized. You can program the SMC Flex controller to provide a full-voltage start in which the output voltage to the motor reaches full voltage in 250 ms.
Use Preset Slow Speed on applications that require slow speed moves for positioning material. You can set the Preset Slow Speed at either 7% (low) or 15% (high) in the forward direction. You can program reverse speed and 10% (low) or 20% (high) of the base speed setting. No reversing contacts are required. To help achieve more-accurate stops, braking is also a part of this function. You can program two independent preset slow speed parameters for both speed and direction
The soft stop mode can be used in applications that require an extended stop time. You can adjust the voltage ramp down time from 0...120 seconds. The load stops when the programmed stop time has elapsed or the voltage ramp drops to a point where the load torque is greater than the motor torque.
