技(Ji)术(Shu)问(Wen)答(Da)
当(Dang)前(Qian)位(Wei)置(Zhi):(?)三(San)菱(Ling)PLC > 技(Ji)术(Shu)服(Fu)务(Wu) > 技(Ji)术(Shu)问(Wen)答(Da)三(San)菱(Ling)plc的(De)pwm指(Zhi)令(Ling)如(Ru)何(He)用(Yong)呢(Ne)?(?)((?)三(San)菱(Ling)plc的(De)pwm指(Zhi)令(Ling)用(Yong)法(Fa))(?)
Q:三(San)菱(Ling)PLC编(Bian)程(Cheng)中(Zhong)PWM指(Zhi)令(Ling)怎(Zen)么(Me)使(Shi)用(Yong)呢(Ne)?(?)
答(Da):(?)
三(San)菱(Ling)PLC中(Zhong)PWM指(Zhi)令(Ling):(?)脉(Mai)冲(Chong)宽(Kuan)度(Du)调(Diao)节(Jie)指(Zhi)令(Ling),(?)指(Zhi)定(Ding)脉(Mai)冲(Chong)的(De)周(Zhou)期(Qi)或(Huo)者(Zhe)频(Pin)率(Lu),(?)调(Diao)整(Zheng)脉(Mai)冲(Chong)ON接(Jie)通(Tong)时(Shi)间(Jian)的(De)功(Gong)能(Neng),(?)脉(Mai)冲(Chong)ON的(De)时(Shi)间(Jian)不(Bu)能(Neng)超(Chao)过(Guo)脉(Mai)冲(Chong)的(De)周(Zhou)期(Qi),(?)否(Fou)则(Ze)会(Hui)出(Chu)错(Cuo);(?)

指(Zhi)令(Ling)格(Ge)式(Shi):(?)PWM S1 S2 D;(?)S1指(Zhi)定(Ding)脉(Mai)冲(Chong)的(De)宽(Kuan)度(Du)((?)单(Dan)位(Wei)ms)(?),(?)S2指(Zhi)定(Ding)脉(Mai)冲(Chong)的(De)周(Zhou)期(Qi)((?)单(Dan)位(Wei)ms)(?),(?)D指(Zhi)定(Ding)输(Shu)出(Chu)脉(Mai)冲(Chong)的(De)编(Bian)号(Hao)只(Zhi)能(Neng)是(Shi)高(Gao)速(Su)脉(Mai)冲(Chong)输(Shu)出(Chu)口(Kou);(?)
应(Ying)用(Yong)案(An)例(Li):(?)通(Tong)过(Guo)PWM指(Zhi)令(Ling)来(Lai)调(Diao)节(Jie)电(Dian)加(Jia)热(Re)炉(Lu)内(Nei)的(De)温(Wen)度(Du),(?)实(Shi)际(Ji)上(Shang)是(Shi)通(Tong)过(Guo)控(Kong)制(Zhi)加(Jia)热(Re)丝(Si)的(De)电(Dian)压(Ya)的(De)有(You)效(Xiao)值(Zhi),(?)从(Cong)而(?)改(Gai)变(Bian)发(Fa)热(Re)量(Liang);(?)上(Shang)一(Yi)节(Jie)已(Yi)经(Jing)讲(Jiang)到(Dao)了(Liao)什(Shi)么(Me)是(Shi)有(You)效(Xiao)电(Dian)压(Ya),(?)不(Bu)懂(Dong)得(De)可(Ke)以(Yi)翻(Fan)看(Kan)一(Yi)下(Xia)上(Shang)节(Jie)内(Nei)容(Rong);(?)
答(Da):(?)
三(San)菱(Ling)PLC中(Zhong)PWM指(Zhi)令(Ling):(?)脉(Mai)冲(Chong)宽(Kuan)度(Du)调(Diao)节(Jie)指(Zhi)令(Ling),(?)指(Zhi)定(Ding)脉(Mai)冲(Chong)的(De)周(Zhou)期(Qi)或(Huo)者(Zhe)频(Pin)率(Lu),(?)调(Diao)整(Zheng)脉(Mai)冲(Chong)ON接(Jie)通(Tong)时(Shi)间(Jian)的(De)功(Gong)能(Neng),(?)脉(Mai)冲(Chong)ON的(De)时(Shi)间(Jian)不(Bu)能(Neng)超(Chao)过(Guo)脉(Mai)冲(Chong)的(De)周(Zhou)期(Qi),(?)否(Fou)则(Ze)会(Hui)出(Chu)错(Cuo);(?)

指(Zhi)令(Ling)格(Ge)式(Shi):(?)PWM S1 S2 D;(?)S1指(Zhi)定(Ding)脉(Mai)冲(Chong)的(De)宽(Kuan)度(Du)((?)单(Dan)位(Wei)ms)(?),(?)S2指(Zhi)定(Ding)脉(Mai)冲(Chong)的(De)周(Zhou)期(Qi)((?)单(Dan)位(Wei)ms)(?),(?)D指(Zhi)定(Ding)输(Shu)出(Chu)脉(Mai)冲(Chong)的(De)编(Bian)号(Hao)只(Zhi)能(Neng)是(Shi)高(Gao)速(Su)脉(Mai)冲(Chong)输(Shu)出(Chu)口(Kou);(?)
应(Ying)用(Yong)案(An)例(Li):(?)通(Tong)过(Guo)PWM指(Zhi)令(Ling)来(Lai)调(Diao)节(Jie)电(Dian)加(Jia)热(Re)炉(Lu)内(Nei)的(De)温(Wen)度(Du),(?)实(Shi)际(Ji)上(Shang)是(Shi)通(Tong)过(Guo)控(Kong)制(Zhi)加(Jia)热(Re)丝(Si)的(De)电(Dian)压(Ya)的(De)有(You)效(Xiao)值(Zhi),(?)从(Cong)而(?)改(Gai)变(Bian)发(Fa)热(Re)量(Liang);(?)上(Shang)一(Yi)节(Jie)已(Yi)经(Jing)讲(Jiang)到(Dao)了(Liao)什(Shi)么(Me)是(Shi)有(You)效(Xiao)电(Dian)压(Ya),(?)不(Bu)懂(Dong)得(De)可(Ke)以(Yi)翻(Fan)看(Kan)一(Yi)下(Xia)上(Shang)节(Jie)内(Nei)容(Rong);(?)
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