丹佛斯VLT自动化驱动FC300操作指南：中心绕线器安装与调试

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丹佛斯 VLT AutomationDrive FC300是一款专注于中心卷绕控制器的自动化设备，其用户手册提供了详尽的操作指南和故障排除步骤。这份PDF文件主要分为以下几个部分： 1. 阅读指南：这部分介绍了如何有效地阅读操作手册，确保用户在理解和遵循指导时能够充分利用手册中的信息。它强调了安全阅读的重要性，特别是对于提示和警告部分，旨在确保操作者在安装、编程和维护过程中遵循最佳实践。 2. 安全须知与一般警告：这部分着重于保障用户的安全。包括高电压警告，提醒用户注意设备可能涉及的潜在风险；安全操作指导，如维修前的准备工作，避免意外启动以及正确停止设备的方法；还有一般性警告，可能涉及电源连接、环境条件等。 3. 中心卷绕控制器介绍：详细解释了MCO352中心卷绕控制器的功能和特点，可能涉及到其额外功能的描述和系统需求的阐述，以便用户了解设备在实际应用中的角色和预期性能。 4. 安装指南：详细说明了VLT AutomationDrive FC300的接线端子布置，包括自动化驱动器的终端和中心卷绕选项的终端，以及数字和模拟输入/输出接口的连接方法。此外，还提到了一些只读应用参数的设置。 5. 中心卷绕校准：这部分涵盖了频率转换器的检查、预设卷绕功能参数的设定、开放回路速度调整（如直径测量信号的校准）、张力修正方向的确认以及闭合回路校准过程。每个步骤都旨在确保卷绕过程的精确性和一致性。 6. 故障排查：针对可能出现的问题，手册提供了一套详细的故障诊断和解决策略，帮助用户快速定位并修复问题，提高设备的可用性和效率。 7. 附录：包含中心卷绕设置和基础MCO设置的参考列表，以及一个索引，方便用户查找特定主题。这部分内容是手册的重要补充，对长期维护和定制化配置非常有用。这份手册对于任何使用丹佛斯VLT AutomationDrive FC300的用户来说都是必不可少的，它确保了用户能安全、高效地操作设备，并对维护和优化卷绕过程有深入理解。通过遵循手册中的指导，用户可以最大限度地发挥设备的潜力，提升生产效率。

3 Introduction to Center Winder Controller

3.1.1 MCO 352 Center Winder Controller

The MCO 352 Center Winder Controller uses the speed winder method with a diameter calculation and either a load cell or dancer feedback. Below is a

simplified block diagram of a tension controlled winder system. The system would be identical if a dancer were used except that the Taper Function block

would have a 0/4-20 mA output used to load the dancer air cylinder proportional to the tapered tension set point. The drive is fed an open loop speed

reference based on the calculated diameter of the roll. This signal is summed with a signal generated by a PID amplifier comparing the actual tension

feedback with a tapered tension set point. The tapered tension set point is actually the tension set point modified based on the roll diameter and the

taper set point. Taper generally reduces the tension set point hyperbolically with a change in diameter. The PID amplifier output is also reduced with

increasing diameter since the same change in reference will have a larger surface speed change as the roll increases in diameter. Ideally, the open loop

reference signal is scaled at core so that the surface speed of the core matches line speed. The diameter value is calculated by the ratio of line speed

verse winder speed.

Roll

diameter

core

diameter

(

Line

speed

Winder

speed

)

This calculation needs to be updated fairly quickly since the roll can change diameter very quickly when near the core. If the true diameter changes faster

than the diameter is calculated, the open loop reference speed will lag too far behind the required speed and the tension PID will need to make up too

much of the difference.

The Tension PID updates every 30 ms and should be updated at least 3 times faster than the diameter calculation. This is because the tension PID block

must be allowed to stabilize system tension before a new diameter is calculated, since the calculated diameter is used by both the open-loop reference

and as an input to the tension PID block.

VLT

Center Winder MCO 352 3 Introduction to Center Winder Controller

MG.33.T1.02 - VLT

is a registered Danfoss trademark

3.1.2 Additional Features

Several features have been included to increase the overall stability of the winder and to increase control and monitoring of the winding process.

• Acceleration Feed-Forward: The Winder block diagram includes an acceleration feed-forward function that allows a shift in the tension/taper set

point based on changes in line speed. This provides a tension boost during initial acceleration to help compensate for system inertia.

• Tension-Taper Set-Point Ramp: The tapered tension set point generator will integrate any changes to the tension or taper set points over multiple

program scans. A parameter is provided to increase or decrease response time.

• Diameter Calculator Limiter: The diameter calculator includes a similar integration technique. A maximum rate of diameter change can be

adjusted by parameter. In addition, the calculated diameter is restricted from moving in the wrong direction to only 20 % of the rate applied to

the expected change in diameter. For example, if the station is rewinding a roll, the diameter is not expected to reduce in diameter.

• Diameter Calculator Minimum Speed: There is also a minimum speed requirement to enable the diameter calculator. At low speeds, the line and

winder speeds may not have enough resolution to accurately calculate diameter. A parameter is provided to define a minimum line speed required

for the diameter calculator to function. Until that speed is reached, the diameter value will not change.

• Programmable Analog Inputs: The VLT AutomationDrive has two analog inputs. Inputs 53 and 54 are analog inputs with a voltage range of ±10

VDC or a current range of 0/4-20mA. Use DIP-switch S201/S202 to select configuration. The source of the tension and taper set-points can be

adjusted by either analog input or parameter setting. The tension feedback and initial diameter measurement can only use analog inputs.

Parameters are provided to select the source of each input. Care must be taken not to program a single input for more than one function.

• Initial Diameter Measurement: In many winding applications there are very few variations in starting core diameter or initial roll size. A choice

of three programmable starting diameters can be programmed and logically selected. For applications where the starting diameter can vary

regularly, the Winder will allow the initial diameter to be measured through an analog input signal. Scaling parameters are provided to set the

analog level at core and at full roll. This function assumes a linear change in the diameter measurement signal.

• End of Roll Detection: An output is provided to indicate a diameter limit. For rewinding applications, the diameter limit occurs when the calculated

diameter exceeds a set limit. For unwinding applications, the diameter limit occurs when the calculated diameter is less than the set limit. The

station will continue to run after a diameter limit is detected. This output can be used to stop the line for a roll change.

• Tension Limit Detector: The Winder includes a tension limit detection (TLD) feature. This feature allows the Winder to trip if a low-tension or

high-tension feedback exists for a period of time. The trip delay includes a normal running delay as well as a secondary starting delay.

3 Introduction to Center Winder Controller VLT

Center Winder MCO 352

MG.33.T1.02 - VLT

is a registered Danfoss trademark

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