江蘇省SANIL開關(guān)SC-8MSBP,SC-8MSK,SC-8MSKB,PARKER派克18RAOPNCSFS8MMVESP
PARKER派克18RISFS8MMVESP
PARKER派克18RISFS8MM3.25
PARKER派克18RISFS8MM
PARKER派克18RAOPNCSFS6MMVESP
PARKER派克18RISTS6MMVESP
PARKER派克18RISTS6MM3.25
PARKER派克18RISTS6MM
PARKER派克18RAOPNCSTS8MMVESP
PARKER派克18RISTS8MMVESP
PARKER派克18RISTS8MM3.25
PARKER派克18RISTS8MM
PARKER派克18RAOPNCSFS8FFVESP
PARKER派克18RISFS8FFVESP
PARKER派克18RISFS8FF3.25
PARKER派克18RISFS8FF
PARKER派克18RAOPNCSFS6FFVESP
PARKER派克18RISTS6FFVESP
PARKER派克18RISTS6FF3.25
PARKER派克18RISTS6FF
PARKER派克18RAOPNCSTS8FFVESP
PARKER派克18RISTS8FFVESP
PARKER派克18RISTS8FF3.25
PARKER派克18RISTS8FF
PARKER派克17RAOPNCSFS8MMVESP
PARKER派克17RISFS8MMVESP
PARKER派克17RISFS8MM3.25
PARKER派克17RISFS8MM
PARKER派克17RAOPNCSTS8MMVESP
PARKER派克17RISTS8MMVESP
PARKER派克17RISTS8MM3.25
PARKER派克17RISTS8MM
PARKER派克17RAOPNCSFS8FFVESP
PARKER派克17RISFS8FFVESP
PARKER派克17RISFS8FF3.25
PARKER派克17RISFS8FF
PARKER派克17RAOPNCSTS8FFVESP
PARKER派克17RISTS8FFVESP
PARKER派克17RISTS8FF3.25
PARKER派克17RISTS8FF
PARKER派克氣缸GDC100-25 1/2
PARKER派克氣缸GDC100-50 1/2
PARKER派克氣缸GDC100-75 1/2
PARKER派克氣缸GDC100-100 1/2
PARKER派克氣缸GDC100-125 1/2
PARKER派克氣缸GDC100-150 1/2
PARKER派克氣缸GDC100-200 1/2
PARKER派克氣缸GDC100-250 1/2
PARKER派克氣缸GDC100-300 1/2
PARKER派克氣缸GDC100-350 1/2
PARKER派克氣缸GDC100-400 1/2
PARKER派克氣缸GDC100-450 1/2
PARKER派克氣缸GDC100-500 1/2
PARKER派克氣缸GDC100-550 1/2
PARKER派克氣缸GDC100-600 1/2
PARKER派克氣缸GDC100-650 1/2
PARKER派克氣缸GDC100-700 1/2
PARKER派克氣缸GDC100-750 1/2
PARKER派克氣缸GDC100-800 1/2
PARKER派克氣缸GDC100-850 1/2
PARKER派克氣缸GDC100-900 1/2
PARKER派克氣缸GDC100-950 1/2
PARKER派克氣缸GDC100-1000 1/2
PARKER派克氣缸GDC80-25 1/2
PARKER派克氣缸GDC80-50 1/2
PARKER派克氣缸GDC80-75 1/2
PARKER派克氣缸GDC80-100 1/2
PARKER派克氣缸GDC80-125 1/2
PARKER派克氣缸GDC80-150 1/2
PARKER派克氣缸GDC80-200 1/2
PARKER派克氣缸GDC80-250 1/2
PARKER派克氣缸GDC80-300 1/2
PARKER派克氣缸GDC80-350 1/2
PARKER派克氣缸GDC80-400 1/2
PARKER派克氣缸GDC80-450 1/2
PARKER派克氣缸GDC80-500 1/2
PARKER派克氣缸GDC80-550 1/2
PARKER派克氣缸GDC80-600 1/2
PARKER派克氣缸GDC80-650 1/2
PARKER派克氣缸GDC80-700 1/2
PARKER派克氣缸GDC80-750 1/2
PARKER派克氣缸GDC80-800 1/2
PARKER派克氣缸GDC80-850 1/2
PARKER派克氣缸GDC80-900 1/2
PARKER派克氣缸GDC80-950 1/2
PARKER派克氣缸GDC80-1000 1/2
PARKER派克氣缸GDC50-25 3/8
PARKER派克氣缸GDC50-50 3/8
PARKER派克氣缸GDC50-75 3/8
PARKER派克氣缸GDC50-100 3/8
PARKER派克氣缸GDC50-125 3/8
PARKER派克氣缸GDC125-25 1/2
PARKER派克氣缸GDC125-50 1/2
PARKER派克氣缸GDC125-75 1/2
PARKER派克氣缸GDC125-100 1/2
PARKER派克氣缸GDC125-125 1/2
PARKER派克氣缸GDC125-150 1/2
PARKER派克氣缸GDC125-200 1/2
PARKER派克氣缸GDC125-250 1/2
PARKER派克氣缸GDC125-300 1/2
PARKER派克氣缸GDC125-350 1/2
PARKER派克氣缸GDC125-400 1/2
PARKER派克氣缸GDC125-450 1/2
PARKER派克氣缸GDC125-500 1/2
PARKER派克氣缸GDC125-550 1/2
PARKER派克氣缸GDC125-600 1/2
PARKER派克氣缸GDC125-650 1/2
PARKER派克氣缸GDC125-700 1/2
PARKER派克氣缸GDC125-750 1/2
PARKER派克氣缸GDC125-800 1/2
PARKER派克氣缸GDC125-850 1/2
PARKER派克氣缸GDC125-900 1/2
PARKER派克氣缸GDC125-950 1/2
PARKER派克氣缸GDC125-1000 1/2
PARKER派克氣缸GDC50-150 3/8
PARKER派克氣缸GDC50-200 3/8
PARKER派克氣缸GDC50-250 3/8
PARKER派克氣缸GDC50-300 3/8測量各點參數(shù)時可用普通手縫針焊在萬用表的表筆上，以便刺穿漆層直接測量各點，而不用大面積剝離漆層。不要帶電插拔各種控制板和插頭。在加電情況下，插拔控制板會產(chǎn)生較強的感應(yīng)電動勢，這時瞬間反擊電壓很高，很容易損壞相應(yīng)的控制板和插頭。檢修時不要盲目亂敲亂碰，以免擴大故障，越修越壞。使用邏輯筆、示波器檢測信號時，要注意不使探針同時接觸兩個測量引腳而形成短路。記錄時間的的存儲大小。必在要多注意有時會有數(shù)值的超額。U盤在插入儀表存儲數(shù)據(jù)前要進行格式化處理（按FAT32格式），U盤存儲功能需要手動存儲，可以到儀表的數(shù)據(jù)備份畫面選擇要數(shù)據(jù)備份的起始時間和接收時間后，然后選擇備份有了這些知識。
PARKER派克氣缸GDC50-350 3/8
PARKER派克氣缸GDC50-400 3/8
PARKER派克氣缸GDC50-450 3/8
PARKER派克氣缸GDC50-500 3/8
PARKER派克氣缸GDC50-550 3/8
PARKER派克氣缸GDC50-600 3/8
PARKER派克氣缸GDC50-650 3/8
PARKER派克氣缸GDC50-700 3/8
PARKER派克氣缸GDC50-750 3/8
PARKER派克氣缸GDC50-800 3/8
PARKER派克氣缸GDC50-850 3/8
PARKER派克氣缸GDC50-900 3/8
PARKER派克氣缸GDC50-950 3/8
PARKER派克氣缸GDC50-1000 3/8
PARKER派克氣缸GDC40-25 1/4
PARKER派克氣缸GDC40-50 1/4
PARKER派克氣缸GDC40-75 1/4
PARKER派克氣缸GDC40-100 1/4
PARKER派克氣缸GDC40-125 1/4
PARKER派克氣缸GDC40-150 1/4
PARKER派克氣缸GDC40-200 1/4
PARKER派克氣缸GDC40-250 1/4
PARKER派克氣缸GDC40-300 1/4
PARKER派克氣缸GDC40-350 1/4
PARKER派克氣缸GDC40-400 1/4
PARKER派克氣缸GDC40-450 1/4
PARKER派克氣缸GDC40-500 1/4
PARKER派克氣缸GDC40-550 1/4
PARKER派克氣缸GDC40-600 1/4
PARKER派克氣缸GDC40-650 1/4
PARKER派克氣缸GDC40-700 1/4
PARKER派克氣缸GDC40-750 1/4
PARKER派克氣缸GDC40-800 1/4
PARKER派克氣缸GDC40-850 1/4
PARKER派克氣缸GDC40-900 1/4
PARKER派克氣缸GDC40-950 1/4
PARKER派克氣缸GDC40-1000 1/4
PARKER派克氣缸GDC150-25 1/2
PARKER派克氣缸GDC150-50 1/2
PARKER派克氣缸GDC150-75 1/2
PARKER派克氣缸GDC150-100 1/2
PARKER派克氣缸GDC150-125 1/2
PARKER派克氣缸GDC150-150 1/2
PARKER派克氣缸GDC150-200 1/2
PARKER派克氣缸GDC150-250 1/2
PARKER派克氣缸GDC150-300 1/2
PARKER派克氣缸GDC150-350 1/2
PARKER派克氣缸GDC150-400 1/2
PARKER派克氣缸GDC150-450 1/2
PARKER派克氣缸GDC150-500 1/2
PARKER派克氣缸GDC150-550 1/2
PARKER派克氣缸GDC150-600 1/2
PARKER派克氣缸GDC150-650 1/2
PARKER派克氣缸GDC150-700 1/2
PARKER派克氣缸GDC150-750 1/2
PARKER派克氣缸GDC150-800 1/2
PARKER派克氣缸GDC150-850 1/2
PARKER派克氣缸GDC150-900 1/2
PARKER派克氣缸GDC150-950 1/2
PARKER派克氣缸GDC150-1000 1/2
PARKER派克氣缸PK1A20-25 1/8
PARKER派克氣缸PK1A20-50 1/8
PARKER派克氣缸PK1A20-75 1/8
PARKER派克氣缸PK1A20-100 1/8
PARKER派克氣缸PK1A20-125 1/8
PARKER派克氣缸PK1A20-150 1/8
PARKER派克氣缸PK1A20-175 1/8
PARKER派克氣缸PK1A20-200 1/8
PARKER派克氣缸PK1A20-250 1/8
PARKER派克氣缸PK1A20-300 1/8
PARKER派克氣缸PK1A20-350 1/8
PARKER派克氣缸PK1A20-400 1/8
PARKER派克氣缸PK1A20-450 1/8
PARKER派克氣缸PK1A20-500 1/8
PARKER派克氣缸PK1A20-550 1/8
PARKER派克氣缸PK1A20-600 1/8
PARKER派克氣缸PK1A20-650 1/8
PARKER派克氣缸PK1A20-700 1/8
PARKER派克氣缸PK1A25-25 1/8
PARKER派克氣缸PK1A25-50 1/8
PARKER派克氣缸PK1A25-75 1/8
PARKER派克氣缸PK1A25-100 1/8
PARKER派克氣缸PK1A25-125 1/8
PARKER派克氣缸PK1A25-150 1/8
PARKER派克氣缸PK1A25-175 1/8
PARKER派克氣缸PK1A25-200 1/8
PARKER派克氣缸PK1A25-250 1/8
PARKER派克氣缸PK1A25-300 1/8
PARKER派克氣缸PK1A25-350 1/8
PARKER派克氣缸PK1A25-400 1/8
PARKER派克氣缸PK1A25-450 1/8
PARKER派克氣缸PK1A25-500 1/8
PARKER派克氣缸PK1A25-550 1/8
PARKER派克氣缸PK1A25-600 1/8
PARKER派克氣缸PK1A25-650 1/8
PARKER派克氣缸PK1A25-700 1/8
PARKER派克氣缸PK1A40-25 1/4
PARKER派克氣缸PK1A40-50 1/4
PARKER派克氣缸PK1A40-75 1/4
PARKER派克氣缸PK1A40-100 1/4
PARKER派克氣缸PK1A40-125 1/4
PARKER派克氣缸PK1A40-150 1/4
PARKER派克氣缸PK1A40-175 1/4
PARKER派克氣缸PK1A40-200 1/4
PARKER派克氣缸PK1A40-250 1/4
PARKER派克氣缸PK1A40-300 1/4
PARKER派克氣缸PK1A40-350 1/4
PARKER派克氣缸PK1A40-400 1/4
PARKER派克氣缸PK1A40-450 1/4
PARKER派克氣缸PK1A40-500 1/4
PARKER派克氣缸PK1A40-550 1/4
PARKER派克氣缸PK1A40-600 1/4
PARKER派克氣缸PK1A40-650 1/4
PARKER派克氣缸PK1A40-700 1/4
PARKER派克氣缸PDC6-5 M5
PARKER派克氣缸PDC6-10 M5
PARKER派克氣缸PDC6-15 M5
PARKER派克氣缸PDC6-20 M5
PARKER派克氣缸PDC6-25 M5
PARKER派克氣缸PDC6-30 M5
PARKER派克氣缸PDC6-35 M5
PARKER派克氣缸PDC6-40 M5
PARKER派克氣缸PDC6-45 M5
PARKER派克氣缸PDC6-50 M5
PARKER派克氣缸PDC6-60 M5
PARKER派克氣缸PDC6-70 M5
PARKER派克氣缸PDC6-75 M5
PARKER派克氣缸PDC6-100 M5
PARKER派克氣缸PDC10-5 M5
PARKER派克氣缸PDC10-10 M5
PARKER派克氣缸PDC10-15 M5
PARKER派克氣缸PDC10-20 M5
PARKER派克氣缸PDC10-25 M5
PARKER派克氣缸PDC10-30 M5
PARKER派克氣缸PDC10-35 M5
PARKER派克氣缸PDC10-40 M5
PARKER派克氣缸PDC10-45 M5
PARKER派克氣缸PDC10-50 M5
PARKER派克氣缸PDC10-60 M5
PARKER派克氣缸PDC10-65 M5
PARKER派克氣缸PDC10-70 M5
PARKER派克氣缸PDC10-75 M5
PARKER派克氣缸PDC10-100 M5
PARKER派克氣缸PDC10-125 M5
PARKER派克氣缸PDC10-150 M5
PARKER派克氣缸PDC16-5 M5
PARKER派克氣缸PDC16-10 M5
PARKER派克氣缸PDC16-15 M5
PARKER派克氣缸PDC16-20 M5
PARKER派克氣缸PDC16-25 M5
PARKER派克氣缸PDC16-30 M5
PARKER派克氣缸PDC16-35 M5
PARKER派克氣缸PDC16-40 M5
PARKER派克氣缸PDC16-45 M5
PARKER派克氣缸PDC16-50 M5
PARKER派克氣缸PDC16-60 M5按照開關(guān)管的開關(guān)條件，DC/DC轉(zhuǎn)換器又可以分為硬開關(guān)（HardSwitching）開關(guān)電源開關(guān)電源和軟開關(guān)（SoftSwitching）兩種。硬開關(guān)DC/DC轉(zhuǎn)換器的開關(guān)器件是在承受電壓或流過電流的情況下，開通或關(guān)斷電路的，因此在開通或關(guān)斷過程中將會產(chǎn)生較大的交疊損耗，即所謂的開關(guān)損耗（Switchingloss）。當(dāng)轉(zhuǎn)換器的工作狀態(tài)一定時開關(guān)損耗也是一定的，而且開關(guān)頻率越高，開關(guān)損耗越大，同時在開關(guān)過程中還會激起電路分布電感和寄生電容的振蕩，帶來附加損耗，因此，硬開關(guān)DC/DC轉(zhuǎn)換器的開關(guān)頻率不能太高。軟開關(guān)DC/DC轉(zhuǎn)換器的開關(guān)管，在開通或關(guān)斷過程中，或是加于其上的電壓為零，即零電壓開關(guān)（Zero-Voltage-Switching。
PARKER派克氣缸PDC16-65 M5
PARKER派克氣缸PDC16-70 M5
PARKER派克氣缸PDC16-75 M5
PARKER派克氣缸PDC16-100 M5
PARKER派克氣缸PDC16-125 M5
PARKER派克氣缸PDC16-150 M5
PARKER派克氣缸PDC16-175 M5
PARKER派克氣缸PDC16-200 M5
PARKER派克氣缸GDCTDM100-50
PARKER派克氣缸GDCTDM100-75
PARKER派克氣缸GDCTDM100-100
PARKER派克氣缸GDCTDM100-150
PARKER派克氣缸GDCTDM100-200
PARKER派克氣缸GDCTDM100-250
PARKER派克氣缸GDCTDM100-300
PARKER派克氣缸GDCTDM100-350
PARKER派克氣缸GDCTDM100-400
PARKER派克氣缸GDCTDM100-450
PARKER派克氣缸GDCTDM100-500
PARKER派克氣缸GDCTSM100-50
PARKER派克氣缸GDCTSM100-75
PARKER派克氣缸GDCTSM100-100
PARKER派克氣缸GDCTSM100-150
PARKER派克氣缸GDCTSM100-200
PARKER派克氣缸GDCTSM100-250
PARKER派克氣缸GDCTSM100-300
PARKER派克氣缸GDCTSM100-350
PARKER派克氣缸GDCTSM100-400
PARKER派克氣缸GDCTSM100-450
PARKER派克氣缸GDCTSM100-500
PARKER派克氣缸GDCTM100-50
PARKER派克氣缸GDCTM100-75
PARKER派克氣缸GDCTM100-100
PARKER派克氣缸GDCTM100-150
PARKER派克氣缸GDCTM100-200
PARKER派克氣缸GDCTM100-250
PARKER派克氣缸GDCTM100-300
PARKER派克氣缸GDCTM100-350
PARKER派克氣缸GDCTM100-400
PARKER派克氣缸GDCTM100-450
PARKER派克氣缸GDCTM100-500
PARKER派克調(diào)壓閥PAR100-M5-B-C M5
PARKER派克調(diào)壓閥PAR200-02-C 1/4
PARKER派克調(diào)壓閥PAR302-03 3/8
PARKER派克調(diào)壓閥PAR403-04 1/2
PARKER派克調(diào)壓閥AL200-8 1/4
PARKER派克調(diào)壓閥AL320-10 3/8
PARKER派克調(diào)壓閥AL420-15 1/2
PARKER派克調(diào)壓閥AFR200-8 1/4
PARKER派克調(diào)壓閥AFR200-08-AD20 1/4
PARKER派克調(diào)壓閥AFR320-10 3/8
PARKER派克調(diào)壓閥AFR320-10-AD41 3/8
PARKER派克調(diào)壓閥AFR420-15 1/2
PARKER派克調(diào)壓閥AFR420-15-AD41 1/2
PARKER派克調(diào)壓閥AF200-8 1/4
PARKER派克調(diào)壓閥AF200-8-AD20 1/4
PARKER派克調(diào)壓閥AF320-10 3/8
PARKER派克調(diào)壓閥AF320-10-AD41 3/8
PARKER派克調(diào)壓閥AF420-15 1/2
PARKER派克調(diào)壓閥AF420-15-AD41 1/2
PARKER派克調(diào)壓閥AR200-8 1/4
PARKER派克調(diào)壓閥AR320-10 3/8
PARKER派克調(diào)壓閥AR420-15 1/2
PARKER派克調(diào)壓閥PCA200-02-B 1/4
PARKER派克調(diào)壓閥PCA302-03 3/8
PARKER派克調(diào)壓閥PCB302-03 3/8
PARKER派克調(diào)壓閥PCB302-03-D 3/8
PARKER派克調(diào)壓閥PCA403-04 1/2
PARKER派克調(diào)壓閥PCB403-04 1/2
PARKER派克調(diào)壓閥PCB403-04-D 1/2
PARKER派克調(diào)壓閥PFR100-M5 M5
PARKER派克調(diào)壓閥PFR200-02 1/4
PARKER派克調(diào)壓閥PFR302-03 3/8
PARKER派克調(diào)壓閥PFR302-03-D 3/8
PARKER派克調(diào)壓閥PFR403-04 1/2
PARKER派克調(diào)壓閥PFR403-04-D 1/2
PARKER派克調(diào)壓閥PAF200-02-B 1/4
PARKER派克調(diào)壓閥PAF302-03 3/8
PARKER派克調(diào)壓閥PAF302-03-D 3/8
PARKER派克調(diào)壓閥PAF404-04 1/2
PARKER派克調(diào)壓閥PAF404-04-D 1/2
PARKER派克調(diào)壓閥AU210-8 1/4
PARKER派克調(diào)壓閥AU200-8 1/4所以又在頂端加塊圓板。當(dāng)必須在晚間開車時，就以紅色燈光表示停車信號，白色燈光表示進行信號。隨著列車速度的不斷提高，要求從遠方就能準確看到信號的顯示。人們發(fā)現(xiàn)，在面積相等的情況下，圓形、方形和長方形相比，以長方形看得遠。因此，1841年英國人戈里高利提出用長方形臂板作為信號顯示，裝設(shè)在倫敦橋車站。這是鐵路上首次使用的臂板式信號機。這種臂板式信號機有兩種顯示：水平位置表示停車信號，向下傾斜45度表示進行信號。夜間仍用紅色燈光表示停車，用白色燈光表示進行。但是，后來發(fā)現(xiàn)白色燈光容易和鐵路附近的家用燈光混淆，就改用了綠色燈光。類型編輯二值信號燈：簡單的信號燈形式，信號燈的值只能取0或1，類似于互斥鎖。
PARKER派克調(diào)壓閥AU200-8-AD20 1/4
PARKER派克調(diào)壓閥AU321-10 3/8
PARKER派克調(diào)壓閥AU320-10 3/8
PARKER派克調(diào)壓閥AU320-10-AD41 3/8
PARKER派克調(diào)壓閥AU421-15 1/2
PARKER派克調(diào)壓閥AU420-15 1/2
PARKER派克調(diào)壓閥AU420-15-AD41 1/2
PARKER派克電磁閥PHS541S-10-24V 3/8
PARKER派克電磁閥PHS541S-10-24V-D 3/8
PARKER派克電磁閥PHS541S-10-24V-DL 3/8
PARKER派克電磁閥PHS541S-10-24V-FL 3/8
PARKER派克電磁閥PHS541S-10-110V 3/8
PARKER派克電磁閥PHS541S-10-110V-D 3/8
PARKER派克電磁閥PHS541S-10-110V-DL 3/8
PARKER派克電磁閥PHS541S-10-110V-FL 3/8
PARKER派克電磁閥PHS541S-10-220V 3/8
PARKER派克電磁閥PHS541S-10-220V-D 3/8
PARKER派克電磁閥PHS541S-10-220V-DL 3/8
PARKER派克電磁閥PHS541S-10-220V-FL 3/8
PARKER派克電磁閥PHS541S-15-24V 1/2
PARKER派克電磁閥PHS541S-15-24V-D 1/2
PARKER派克電磁閥PHS541S-15-24V-DL 1/2
PARKER派克電磁閥PHS541S-15-24V-FL 1/2
PARKER派克電磁閥PHS541S-15-110V 1/2
PARKER派克電磁閥PHS541S-15-110V-D 1/2
PARKER派克電磁閥PHS541S-15-110V-DL 1/2
PARKER派克電磁閥PHS541S-15-110V-FL 1/2
PARKER派克電磁閥PHS541S-15-220V 1/2
PARKER派克電磁閥PHS541S-15-220V-D 1/2
PARKER派克電磁閥PHS541S-15-220V-DL 1/2
PARKER派克電磁閥PHS541S-15-220V-FL 1/2
PARKER派克電磁閥PHS541D-10-24V 3/8
PARKER派克電磁閥PHS541D-10-24V-D 3/8
PARKER派克電磁閥PHS541D-10-24V-DL 3/8
PARKER派克電磁閥PHS541D-10-24V-FL 3/8
PARKER派克電磁閥PHS541D-10-110V 3/8
PARKER派克電磁閥PHS541D-10-110V-D 3/8
PARKER派克電磁閥PHS541D-10-110V-DL 3/8
PARKER派克電磁閥PHS541D-10-110V-FL 3/8
PARKER派克電磁閥PHS541D-10-220V 3/8
PARKER派克電磁閥PHS541D-10-220V-D 3/8
PARKER派克電磁閥PHS541D-10-220V-DL 3/8
PARKER派克電磁閥PHS541D-10-220V-FL 3/8
PARKER派克電磁閥PHS510C-6-24V 1/8
PARKER派克電磁閥PHS510C-6-24V-L 1/8
PARKER派克電磁閥PHS510C-6-24V-D 1/8
PARKER派克電磁閥PHS510C-6-24V-D-L 1/8
PARKER派克電磁閥PHS510C-6-24V-DL 1/8
PARKER派克電磁閥PHS510C-6-110V 1/8
PARKER派克電磁閥PHS510C-6-110V-L 1/8
PARKER派克電磁閥PHS510C-6-110V-D 1/8
PARKER派克電磁閥PHS510C-6-110V-D-L 1/8
PARKER派克電磁閥PHS510C-6-110V-DL 1/8
PARKER派克電磁閥PHS510C-6-220V 1/8
PARKER派克電磁閥PHS510C-6-220V-L 1/8
PARKER派克電磁閥PHS510C-6-220V-D 1/8
PARKER派克電磁閥PHS510C-6-220V-D-L 1/8
PARKER派克電磁閥PHS510C-6-220V-DL 1/8
PARKER派克電磁閥PHS520P-02-24V 1/4
PARKER派克電磁閥PHS520P-02-24V-D 1/4
PARKER派克電磁閥PHS520P-02-24V-DL 1/4
PARKER派克電磁閥PHS520P-02-24V-FL 1/4
PARKER派克電磁閥PHS520P-02-110V 1/4
PARKER派克電磁閥PHS520P-02-110V-D 1/4
PARKER派克電磁閥PHS520P-02-110V-DL 1/4
PARKER派克電磁閥PHS520P-02-110V-FL 1/4
PARKER派克電磁閥PHS520P-02-220V 1/4
PARKER派克電磁閥PHS520P-02-220V-D 1/4
PARKER派克電磁閥PHS520P-02-220V-DL 1/4
PARKER派克電磁閥PHS520P-02-220V-FL 1/4
PARKER派克電磁閥PHS520E-02-24V 1/4
PARKER派克電磁閥PHS520E-02-24V-D 1/4
PARKER派克電磁閥PHS520E-02-24V-DL 1/4
PARKER派克電磁閥PHS520E-02-24V-FL 1/4
PARKER派克電磁閥PHS520E-02-110V 1/4
PARKER派克電磁閥PHS520E-02-110V-D 1/4
PARKER派克電磁閥PHS520E-02-110V-DL 1/4
PARKER派克電磁閥PHS520E-02-110V-FL 1/4
PARKER派克電磁閥PHS520E-02-220V 1/4
PARKER派克電磁閥PHS520E-02-220V-D 1/4
PARKER派克電磁閥PHS520E-02-220V-DL 1/4
PARKER派克電磁閥PHS520E-02-220V-FL 1/4
PARKER派克電磁閥PHS530D-03-24V 3/8
PARKER派克電磁閥PHS530D-03-24V-D 3/8
PARKER派克電磁閥PHS530D-03-24V-DL 3/8
PARKER派克電磁閥PHS530D-03-24V-FL 3/8
PARKER派克電磁閥PHS530D-03-110V 3/8
PARKER派克電磁閥PHS530D-03-110V-D 3/8
PARKER派克電磁閥PHS530D-03-110V-DL 3/8
PARKER派克電磁閥PHS530D-03-110V-FL 3/8
PARKER派克電磁閥PHS530D-03-220V 3/8
PARKER派克電磁閥PHS530D-03-220V-D 3/8
PARKER派克電磁閥PHS530D-03-220V-DL 3/8
PARKER派克電磁閥PHS530D-03-220V-FL 3/8
PARKER派克電磁閥PHS540S-10-24V 3/8
PARKER派克電磁閥PHS540S-10-24V-D 3/8
PARKER派克電磁閥PHS540S-10-24V-DL 3/8
PARKER派克電磁閥PHS540S-10-24V-FL 3/8
PARKER派克電磁閥PHS540S-10-110V 3/8
PARKER派克電磁閥PHS540S-10-110V-D 3/8
PARKER派克電磁閥PHS540S-10-110V-DL 3/8
PARKER派克電磁閥PHS540S-10-110V-FL 3/8
PARKER派克電磁閥PHS540S-10-220V 3/8
PARKER派克電磁閥PHS540S-10-220V-D 3/8
PARKER派克電磁閥PHS540S-10-220V-DL 3/8
PARKER派克電磁閥PHS540S-10-220V-FL 3/8
PARKER派克電磁閥PHS530C-03-24V 3/8
PARKER派克電磁閥PHS530C-03-24V-D 3/8
PARKER派克電磁閥PHS530C-03-24V-DL 3/8
PARKER派克電磁閥PHS530C-03-24V-FL 3/8
PARKER派克電磁閥PHS530C-03-110V 3/8
PARKER派克電磁閥PHS530C-03-110V-D 3/8
PARKER派克電磁閥PHS530C-03-110V-DL 3/8
PARKER派克電磁閥PHS530C-03-110V-FL 3/8
PARKER派克電磁閥PHS530C-03-220V 3/8
PARKER派克電磁閥PHS530C-03-220V-D 3/8
PARKER派克電磁閥PHS530C-03-220V-DL 3/8
PARKER派克電磁閥PHS530C-03-220V-FL 3/8
PARKER派克電磁閥PHS530P-03-24V 3/8
PARKER派克電磁閥PHS530P-03-24V-D 3/8
PARKER派克電磁閥PHS530P-03-24V-DL 3/8
PARKER派克電磁閥PHS530P-03-24V-FL 3/8
PARKER派克電磁閥PHS530P-03-110V 3/8
PARKER派克電磁閥PHS530P-03-110V-D 3/8
PARKER派克電磁閥PHS530P-03-110V-DL 3/8
PARKER派克電磁閥PHS530P-03-110V-FL 3/8
PARKER派克電磁閥PHS530P-03-220V 3/8
PARKER派克電磁閥PHS530P-03-220V-D 3/8
PARKER派克電磁閥PHS530P-03-220V-DL 3/8
PARKER派克電磁閥PHS530P-03-220V-FL 3/8
PARKER派克電磁閥PHS530E-03-24V 3/8
PARKER派克電磁閥PHS530E-03-24V-D 3/8
PARKER派克電磁閥PHS530E-03-24V-DL 3/8
PARKER派克電磁閥PHS530E-03-24V-FL 3/8雙向可控硅導(dǎo)通后，通態(tài)電流仍從T1流向T2。這種觸發(fā)就叫做Ⅲ-觸發(fā)方式。雙向可控硅雖然有以上四種觸發(fā)方式，但由于負信號觸發(fā)所需要的觸發(fā)電壓和電流都比較小。工作比較可靠，因此在實際使用時，負觸發(fā)方式應(yīng)用較多。特性編輯常用的有阻容移相橋觸發(fā)電路、單結(jié)晶體管觸發(fā)電路、晶體三極管觸發(fā)電路、利用小晶閘管觸發(fā)大晶閘管的觸發(fā)電路，等等?？煽毓璧闹饕獏?shù)有：額定通態(tài)平均電流IT在一定條件下，陽極---陰極間可以連續(xù)通過的50赫茲正弦半波電流的平均值。正向阻斷峰值電壓VPF在控制極開路未加觸發(fā)信號，陽極正向電壓還未超過導(dǎo)能電壓時，可以重復(fù)加在可控硅兩端的正向峰值電壓?？煽毓璩惺艿恼螂妷悍逯?，不能超過手冊給出的這個參數(shù)值。
PARKER派克電磁閥PHS530E-03-110V 3/8
PARKER派克電磁閥PHS530E-03-110V-D 3/8
PARKER派克電磁閥PHS530E-03-110V-DL 3/8
PARKER派克電磁閥PHS530E-03-110V-FL 3/8
PARKER派克電磁閥PHS530E-03-220V 3/8
PARKER派克電磁閥PHS530E-03-220V-D 3/8
PARKER派克電磁閥PHS530E-03-220V-DL 3/8
PARKER派克電磁閥PHS530E-03-220V-FL 3/8
PARKER派克電磁閥PHS530S-03-24V 3/8
PARKER派克電磁閥PHS530S-03-24V-D 3/8
PARKER派克電磁閥PHS530S-03-24V-DL 3/8
PARKER派克電磁閥PHS530S-03-24V-FL 3/8
PARKER派克電磁閥PHS530S-03-110V 3/8
PARKER派克電磁閥PHS530S-03-110V-D 3/8
PARKER派克電磁閥PHS530S-03-110V-DL 3/8
PARKER派克電磁閥PHS530S-03-110V-FL 3/8
PARKER派克電磁閥PHS530S-03-220V 3/8
PARKER派克電磁閥PHS530S-03-220V-D 3/8
PARKER派克電磁閥PHS530S-03-220V-DL 3/8
PARKER派克電磁閥PHS530S-03-220V-FL 3/8
PARKER派克電磁閥PHS520C-02-24V 1/4
PARKER派克電磁閥PHS520C-02-24V-D 1/4
PARKER派克電磁閥PHS520C-02-24V-DL 1/4
PARKER派克電磁閥PHS520C-02-24V-FL 1/4
PARKER派克電磁閥PHS520C-02-110V 1/4
PARKER派克電磁閥PHS520C-02-110V-D 1/4
PARKER派克電磁閥PHS520C-02-110V-DL 1/4
PARKER派克電磁閥PHS520C-02-110V-FL 1/4
PARKER派克電磁閥PHS520C-02-220V 1/4
PARKER派克電磁閥PHS520C-02-220V-D 1/4
PARKER派克電磁閥PHS520C-02-220V-DL 1/4
PARKER派克電磁閥PHS520C-02-220V-FL 1/4
PARKER派克電磁閥PHS541D-15-24V 1/2
PARKER派克電磁閥PHS541D-15-24V-D 1/2
PARKER派克電磁閥PHS541D-15-24V-DL 1/2
PARKER派克電磁閥PHS541D-15-24V-FL 1/2
PARKER派克電磁閥PHS541D-15-110V 1/2
PARKER派克電磁閥PHS541D-15-110V-D 1/2
PARKER派克電磁閥PHS541D-15-110V-DL 1/2
PARKER派克電磁閥PHS541D-15-110V-FL 1/2
PARKER派克電磁閥PHS541D-15-220V 1/2
PARKER派克電磁閥PHS541D-15-220V-D 1/2
PARKER派克電磁閥PHS541D-15-220V-DL 1/2
PARKER派克電磁閥PHS541D-15-220V-FL 1/2
PARKER派克電磁閥PHS520S-02-24V 1/4
PARKER派克電磁閥PHS520S-02-24V-D 1/4
PARKER派克電磁閥PHS520S-02-24V-DL 1/4
PARKER派克電磁閥PHS520S-02-24V-FL 1/4
PARKER派克電磁閥PHS520S-02-110V 1/4
PARKER派克電磁閥PHS520S-02-110V-D 1/4
PARKER派克電磁閥PHS520S-02-110V-DL 1/4
PARKER派克電磁閥PHS520S-02-110V-FL 1/4
PARKER派克電磁閥PHS520S-02-220V 1/4
PARKER派克電磁閥PHS520S-02-220V-D 1/4
PARKER派克電磁閥PHS520S-02-220V-DL 1/4
PARKER派克電磁閥PHS520S-02-220V-FL 1/4
PARKER派克電磁閥PHS530SX-03-24V 3/8
PARKER派克電磁閥PHS530SX-03-24V-FL 3/8
PARKER派克電磁閥PHS530SX-03-110V 3/8
PARKER派克電磁閥PHS530SX-03-110V-FL 3/8
PARKER派克電磁閥PHS530SX-03-220V 3/8
PARKER派克電磁閥PHS530SX-03-220V-FL 3/8
PARKER派克電磁閥PHS540D-10-24V 3/8
PARKER派克電磁閥PHS540D-10-24V-D 3/8
PARKER派克電磁閥PHS540D-10-24V-DL 3/8其直流回路濾波是電感。它由三部分構(gòu)成，將工頻電源變換為直流功率的“整流器”，吸收在變流器和逆變器產(chǎn)生的電壓脈動的“平波回路”，以及將直流功率變換為交流功率的“逆變器“。整流器大量使用的是二極管的變流器，它把工頻電源變換為直流電源。也可用兩組晶體管變流器構(gòu)成可逆變流器，由于其功率方向可逆，可以進行再生運轉(zhuǎn)。平波回路在整流器整流后的直流電壓中，含有電源6倍頻率的脈動電壓，此外逆變器產(chǎn)生的脈動電流也使直流電壓變動。為了電壓波動，采用電感和電容吸收脈動電壓（電流）。裝置容量小時，如果電源和主電路構(gòu)成器件有余量，可以省去電感采用簡單的平波回路。逆變器同整流器相反，逆變器是將直流功率變換為所要求頻率的交流功率。
PARKER派克電磁閥PHS540D-10-24V-FL 3/8
PARKER派克電磁閥PHS540D-10-110V 3/8
PARKER派克電磁閥PHS540D-10-110V-D 3/8
PARKER派克電磁閥PHS540D-10-110V-DL 3/8
PARKER派克電磁閥PHS540D-10-110V-FL 3/8
PARKER派克電磁閥PHS540D-10-220V 3/8
PARKER派克電磁閥PHS540D-10-220V-D 3/8
PARKER派克電磁閥PHS540D-10-220V-DL 3/8
PARKER派克電磁閥PHS540D-10-220V-FL 3/8
PARKER派克電磁閥PHS540D-15-24V 1/2
PARKER派克電磁閥PHS540D-15-24V-D 1/2
PARKER派克電磁閥PHS540D-15-24V-DL 1/2
PARKER派克電磁閥PHS540D-15-24V-FL 1/2
PARKER派克電磁閥PHS540D-15-110V 1/2
PARKER派克電磁閥PHS540D-15-110V-D 1/2
PARKER派克電磁閥PHS540D-15-110V-DL 1/2
PARKER派克電磁閥PHS540D-15-110V-FL 1/2
PARKER派克電磁閥PHS540D-15-220V 1/2
PARKER派克電磁閥PHS540D-15-220V-D 1/2
PARKER派克電磁閥PHS540D-15-220V-DL 1/2
PARKER派克電磁閥PHS540D-15-220V-FL 1/2
PARKER派克電磁閥PHS540S-15-24V 1/2
PARKER派克電磁閥PHS540S-15-24V-D 1/2
PARKER派克電磁閥PHS540S-15-24V-DL 1/2
PARKER派克電磁閥PHS540S-15-24V-FL 1/2
PARKER派克電磁閥PHS540S-15-110V 1/2
PARKER派克電磁閥PHS540S-15-110V-D 1/2
PARKER派克電磁閥PHS540S-15-110V-DL 1/2
PARKER派克電磁閥PHS540S-15-110V-FL 1/2
PARKER派克電磁閥PHS540S-15-220V 1/2
PARKER派克電磁閥PHS540S-15-220V-D 1/2
PARKER派克電磁閥PHS540S-15-220V-DL 1/2
PARKER派克電磁閥PHS540S-15-220V-FL 1/2
PARKER派克電磁閥PHS520D-02-24V 1/4
PARKER派克電磁閥PHS520D-02-24V-D 1/4
PARKER派克電磁閥PHS520D-02-24V-DL 1/4
PARKER派克電磁閥PHS520D-02-24V-FL 1/4開關(guān)變壓器起到功率傳遞、電壓/電流變換的作用。開關(guān)變壓器為降壓變壓器。開關(guān)電源的特點如下：1)開關(guān)電源的振蕩和調(diào)壓方式是利用改變脈沖寬度或周期來調(diào)整輸出電壓的，稱為時間比例控制，又分為PWM(調(diào)寬)和PFM(調(diào)頻)兩種控制方式。2)從電路的能量轉(zhuǎn)換特性看，可分為正激和反激兩種工作方式。開關(guān)管飽和導(dǎo)通時，二次繞組連接的整流器受反偏壓而截止，開關(guān)變壓器的一次繞組流入電流而儲能〈電磁轉(zhuǎn)換）。開關(guān)管截止時，二次繞組經(jīng)負載電路釋放電能（磁電轉(zhuǎn)換)。正激方式則與此相反，實際應(yīng)用不多。3)從開關(guān)變壓器的一次電路結(jié)構(gòu)來看，有分立元件構(gòu)成的和集成振蕩芯片構(gòu)成的兩種電路形式。因而從振蕩信號的來源看，又分為自激（分立零件）和他激式（IC電路）開關(guān)電源。
PARKER派克電磁閥PHS520D-02-110V 1/4
PARKER派克電磁閥PHS520D-02-110V-D 1/4
PARKER派克電磁閥PHS520D-02-110V-DL 1/4
PARKER派克電磁閥PHS520D-02-110V-FL 1/4
PARKER派克電磁閥PHS520D-02-220V 1/4
PARKER派克電磁閥PHS520D-02-220V-D 1/4
PARKER派克電磁閥PHS520D-02-220V-DL 1/4
PARKER派克電磁閥PHS520D-02-220V-FL 1/4
PARKER派克電磁閥PHS520DX-02-24V 1/4
PARKER派克電磁閥PHS520DX-02-24V-FL 1/4
PARKER派克電磁閥PHS520DX-02-110V 1/4
PARKER派克電磁閥PHS520DX-02-110V-FL 1/4
PARKER派克電磁閥PHS520DX-02-220V 1/4
PARKER派克電磁閥PHS520DX-02-220V-FL 1/4
PARKER派克電磁閥PHS520SX-02-24V 1/4
PARKER派克電磁閥PHS520SX-02-24V-FL 1/4
PARKER派克電磁閥PHS520SX-02-110V 1/4
PARKER派克電磁閥PHS520SX-02-110V-FL 1/4
PARKER派克電磁閥PHS520SX-02-220V 1/4
PARKER派克電磁閥PHS520SX-02-220V-FL 1/4
PARKER派克電磁閥PHS510E-6-24V 1/8
PARKER派克電磁閥PHS510E-6-24V-L 1/8
PARKER派克電磁閥PHS510E-6-24V-D 1/8
PARKER派克電磁閥PHS510E-6-24V-D-L 1/8
PARKER派克電磁閥PHS510E-6-24V-DL 1/8
PARKER派克電磁閥PHS510E-6-110V 1/8
PARKER派克電磁閥PHS510E-6-110V-L 1/8
PARKER派克電磁閥PHS510E-6-110V-D 1/8
PARKER派克電磁閥PHS510E-6-110V-D-L 1/8
PARKER派克電磁閥PHS510E-6-110V-DL 1/8
PARKER派克電磁閥PHS510E-6-220V 1/8
PARKER派克電磁閥PHS510E-6-220V-L 1/8
PARKER派克電磁閥PHS510E-6-220V-D 1/8
PARKER派克電磁閥PHS510E-6-220V-D-L 1/8
PARKER派克電磁閥PHS510E-6-220V-DL 1/8
PARKER派克電磁閥PHS510P-6-24V 1/8
PARKER派克電磁閥PHS510P-6-24V-L 1/8作為一種無觸點的半導(dǎo)體開關(guān)器件，其允許反復(fù)導(dǎo)通和關(guān)斷的次數(shù)幾乎是無限的，并且導(dǎo)通的控制也十分方便。這是一般的“通-斷開關(guān)”所望塵莫及的，從而使實現(xiàn)異步電動機的變頻調(diào)速取得了突破。但由于變頻器的逆變電路是在直流電壓下工作的，而SCR在直流電壓下又不能自行關(guān)斷，因此，要實現(xiàn)逆變，還必須增加輔助器件和相應(yīng)的電路來幫助它關(guān)斷。所以，盡管當(dāng)時的變頻調(diào)速裝置在個別領(lǐng)域（如風(fēng)機和泵類負載）已經(jīng)能夠?qū)嵱?，但未能進入大范圍的普及應(yīng)用階段。⑵門極關(guān)斷（GTO）晶閘管SCR在一段時間內(nèi)，幾乎是能夠承受高電壓和大電流的半導(dǎo)體器件。因此，針對SCR的缺點，人們很自然地把努力方向引向了如何使晶閘管具有關(guān)斷能力這一點上，并因此而開發(fā)出了門極關(guān)斷晶閘管。
PARKER派克電磁閥PHS510P-6-24V-D 1/8
PARKER派克電磁閥PHS510P-6-24V-D-L 1/8
PARKER派克電磁閥PHS510P-6-24V-DL 1/8
PARKER派克電磁閥PHS510P-6-110V 1/8
PARKER派克電磁閥PHS510P-6-110V-L 1/8
PARKER派克電磁閥PHS510P-6-110V-D 1/8
PARKER派克電磁閥PHS510P-6-110V-D-L 1/8
PARKER派克電磁閥PHS510P-6-110V-DL 1/8
PARKER派克電磁閥PHS510P-6-220V 1/8
PARKER派克電磁閥PHS510P-6-220V-L 1/8
PARKER派克電磁閥PHS510P-6-220V-D 1/8
PARKER派克電磁閥PHS510P-6-220V-D-L 1/8
PARKER派克電磁閥PHS510P-6-220V-DL 1/8
PARKER派克電磁閥PHS510D-6-24V 1/8
PARKER派克電磁閥PHS510D-6-24V-L 1/8
PARKER派克電磁閥PHS510D-6-24V-D 1/8
PARKER派克電磁閥PHS510D-6-24V-D-L 1/8
PARKER派克電磁閥PHS510D-6-24V-DL 1/8
PARKER派克電磁閥PHS510D-6-110V 1/8
PARKER派克電磁閥PHS510D-6-110V-L 1/8
PARKER派克電磁閥PHS510D-6-110V-D 1/8
PARKER派克電磁閥PHS510D-6-110V-D-L 1/8
PARKER派克電磁閥PHS510D-6-110V-DL 1/8
PARKER派克電磁閥PHS510D-6-220V 1/8
PARKER派克電磁閥PHS510S-6-220V-L 1/8
PARKER派克電磁閥PHS510S-6-220V-D 1/8
PARKER派克電磁閥PHS510S-6-220V-D-L 1/8
PARKER派克電磁閥PHS510S-6-220V-DL 1/8
PARKER派克電磁閥PHS510S-6-24V 1/8
PARKER派克電磁閥PHS510S-6-24V-L 1/8
PARKER派克電磁閥PHS510S-6-24V-D 1/8
PARKER派克電磁閥PHS510S-6-24V-D-L 1/8
PARKER派克電磁閥PHS510S-6-24V-DL 1/8
PARKER派克電磁閥PHS510S-6-110V 1/8
PARKER派克電磁閥PHS510S-6-110V-L 1/8
PARKER派克電磁閥PHS510S-6-110V-D 1/8
PARKER派克電磁閥PHS510S-6-110V-D-L 1/8
PARKER派克電磁閥PHS510S-6-110V-DL 1/8
PARKER派克電磁閥PHS510S-6-220V 1/8
PARKER派克電磁閥PHS510S-6-220V-L 1/8
PARKER派克電磁閥PHS510S-6-220V-D 1/8
PARKER派克電磁閥PHS510S-6-220V-D-L 1/8
PARKER派克電磁閥PHS510S-6-220V-DL 1/8
在國內(nèi)已經(jīng)發(fā)展有幾十年的歷史了，相對來說屬于比較成熟的行業(yè)，從長遠看，這些行業(yè)還存在著設(shè)備升級換代的需求。在這個升級換代的過程中，確實會有一些小的、一直使用比較低端產(chǎn)品的廠家被淘汰掉，但也有很多企業(yè)在設(shè)備更新過程中，將需求重新定位，去尋找那些能夠符合他們發(fā)展計劃，幫助他們提高自身生產(chǎn)力的設(shè)備供應(yīng)商。鑒于這種需求，以后人機界面的改變，將在形狀上、觀念上、應(yīng)用場合等方面都有所改變，從而帶來工控機核心技術(shù)的一次次變革。總體來講，人機界面的未來發(fā)展趨勢是六個現(xiàn)代化：平臺嵌入化、品牌民族化、設(shè)備智能化、界面時尚化、通訊網(wǎng)絡(luò)化和節(jié)能環(huán)?；９收咸幚砭庉嬋藱C界面無響應(yīng)，按觸摸任何部位都無響應(yīng)。處理方法：遇到這種情況。
