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PLCopen库的应用举例
例1:印刷机的控制开发
对于印刷机械而言,其核心在于印刷套色,基于PLCopen的库,我们可以通过图中的功能块RegMarkCapture001来进行色标的抓取,通过RegMarkCacl001进行色标偏差的计算和解耦算法,并通过Offset进行相位偏移的控制输出,这三个功能块可以实现对印刷的套色计算和控制,结合速度控制模块、扭矩控制实现对张力控制的计算。
除了应用于凹版印刷机的套色控制,PLCopen在柔版、商业轮转机等高性能卷筒纸印刷领域也得到了广泛应用,大大降低了开发周期。
例2:PLCopen库在旋盖控制中的应用
在啤酒饮料灌装系统中,如何实现更高效且高品质的旋盖控制,即可借助于PLCopen的库:
对于旋盖而言,角度控制MC_MoveAdditive可以提高速度,它可以确保旋盖过程以极大的速度进行,但是,却不能保障每个旋盖动作的扭矩控制质量,通过TorqueControl模块,可以确保每个瓶盖的相同力矩,确保旋盖质量的一致性,但是,TorqueControl却会降低效率,因为不能过高的速度,否则会将瓶子损坏。
因此,通过MC_MoveAdditive和MC_BR_TorqueControl的混合使用可以确保高品质同时高速的旋盖控制。
例3:PLCopen Safety安全库的应用
仍然以啤酒饮料灌装设备来看,对于高速运转的机器,必须考虑人身的安全以及设备的运行安全,尤其是对连续生产的智能产线而言,其由吹瓶、清洗、灌装、旋盖、贴标、膜包等一系列流程构成,如果某个单元出现安全动作,则整个生产线将因此停滞,带来巨大的潜在浪费,而SLS和STO可以解决这一问题,通过PLCopen Safety库设计,我们可以实现两个安全功能来确保生产效率与安全的平衡。
1. SLS降低产线速度,低速运行的机器将会带给人身风险的极大下降,通常在人员进入机器的安全区则速度下降,如从10m/S的线速度下降到0.5m/S,则会大幅度降低传动设备对人身的潜在伤害,而同时产线并不会因此停止带来再开机的成本以及在制品的浪费。
2. STO,通过伺服驱动的待机状态,在人员进入工作区,仅切断力矩输出,而不切断电源,确保机器处于安全状态,在人员离开后,重新启动工作,从当前位置继续。
此两者均是基于生产效率与安全的平衡设计,可以通过PLCopen的Safety库软件设计来实现
IC647HSTES75KM Historian Enterprise Server 75000 Points (M4 Key)
IC647PLSEDTR Proficy Pulse Editor (WebSpace Enabled)
IC694MDL330 Output module 120/240 VAC 2amps 8 Points.
IC754VKI08CTD Starter Kit 8in TFT View Interm 24VDC
CompactLogix System 1769-IA8I 8 POINT 120 VAC INDIVIDUALLY ISOLATED INPUT MODULE
PLC-5/1771 System 1771-IDK CONFORMALLY COATED, ISOLATED INPUT MODULE
Industrial Computers 6182H-10KRH6B VVCE 1000, KEYPAD, STD MEM, RIO/DH, AC
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ControlNet Products 1756-CNB CONTROLNET BRIDGE MODULE
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RSI Software Products 9355-WABOEMFRE RSLINX OEM - FRENCH
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20DC3P5A0EYNANANE PowerFlex 700S AC Drive 20D
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280-PWRM22C-M10 ArmorStart Three-Phase Power Media
FX2N-48MT 主机24入/24出?晶体管输出
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DAQCard-DIO-24
PCM-3362
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IC756WET200E-22 Custom Datasource Toolkit, English, Version 2.2
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PLC-5/1771 System D1771-6.5.119 U.MNL.INTRINSICALLY SAFE
Process Control 1757-FIMRTPBASE FIELDBUS INTERFACE RTP BASE
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IC752DVT150 VT100 firmware on DataPanel 150 allows DataPanel to be used as standard data entry terminal
MTR-3S43-H-R-0-C-SRR Servo Motor Nema56C with Seal
ZA06B-6089-H500 External regeneration resistor rated 16 ohm 200 Watt for Alpha SVU1-80 amplifier