ABB直流调速 DCS400.ppt

Product introduction Content of the presentation: 内容简介 basic features commissioning without panel signal logic Parameters Ac- / deceleration two ACC and DEC ramp times selectable through digital inputs Parameters U/F Ratio Adjustable U/F ratio 可调整的U/F 比 Parameters slip compensation - drives have an automatic slip compensation 具有自动的滑差补偿 Parameters IR-compensation Parameters Critical frequency To avoid noise caused by resonance in certain speed ranges 2 adjustable skip over frequencies Individual settings for skip frequency low limit skip frequency high limit Parameters PID controller - P Level control is normally P (gain) only: 液位控制一般仅用P控制 - Averaging level : Low gain - Tight level: High gain Flow and pressure controls are usually PI controlled 流量和压力控制一般用PI控制 In flow control low gain, fast integral time (Ti) In pressure control depends of the system Parameters PID controller - PID To speed-up the process control in case of a linearly changing error value 如果偏差值为线性变化，则可用快速的过程控制 PID-controller Scaling the actual value PID-controller Sleep function Factory (0) Analog input 模拟输入 Frequency (AI1) 频率给定 (AI1) Digital inputs 数字量输入 Start / Stop (DI1) 起动/停止 Direction (DI2) 转向 Constant speed (DI3) 恒速 Ramp pair 1/2 selection (DI5) 曲线1/2 选择 Analog output 模拟输出 Frequency (AO) 输出频率 (AO) Relay outputs 继电器输出 Fault (RO1) 故障(RO1) Running (RO2) 运行(RO2) ABB standard Analog input 模拟输入 Frequency (AI1) 频率给定 (AI1) Digital input 数字量输入 Start / Stop (DI1) 起动/停止 Direction (DI2) 转向 Constant speed (DI3) 恒速 Constant speed (DI4) 恒速 Ramp pair 1/2 selection (DI5) 曲线1/2 选择 3-Wire Analog input 模拟输入 Frequency (AI1) 频率给定 (AI1) Digital input 数字量输入 Start (DI1) 起动 Stop (DI2) 停止 Direction (DI3) 转向 Constant speed (DI4) 恒速 Constant speed (DI5) 恒速 Alternate Analog input 模拟输入 Frequency (AI1) 频率给定 (AI1) Digital input 数字量输入 Start / Stop (DI1) 起动/正转 Direct