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  意大利ATOS放大器E-ME-AC-05F 21/3庫(kù)存                                                                                 ATOS放大器其中用得zui廣泛的是電子放大器。隨著射流技術(shù)（見(jiàn)射流元件）的推廣，液動(dòng)或氣動(dòng)放大器的應(yīng)用也逐漸增多。電子放大器又按所用有源器件分為真空管放大器、晶體管放大器、固體放大器和磁放大器，其中又以晶體管放大器應(yīng)用zui廣。在自動(dòng)化儀表中晶體管放大器常用于信號(hào)的電壓放大和電流放大，主要形式有單端放大和推挽放大。此外，還常用于阻抗匹配、隔離、電流-電壓轉(zhuǎn)換、電荷-電壓轉(zhuǎn)換（如電荷放大器）以及利用放大器實(shí)現(xiàn)輸出與輸入之間的一定函數(shù)關(guān)系（如運(yùn)算放大器）。                                                                                                                                      ATOS放大器型號(hào)編碼：
"E-ME"→歐板式電子放大器
"AC"→控制形式：用于開(kāi)環(huán)或閉環(huán)控制
"01F"→電磁鐵：01F=用于單電磁鐵比例閥，05F=用于雙電磁鐵比例閥
"-"→選項(xiàng)：無(wú)標(biāo)記=標(biāo)準(zhǔn)對(duì)稱斜坡，/RR=有可調(diào)不對(duì)稱斜坡，-4=有4個(gè)輸入信號(hào)電位器，/RR-4=帶上升和下降斜坡及4個(gè)信號(hào)電位器，/4R-4=帶4個(gè)斜坡和4個(gè)信號(hào)電位器，/I=適用于輸入信號(hào)為4~20mA的電流信號(hào)
E-ME-AC 電子放大器主要特性
電源額定電壓：24 VDC
功耗：50 W
供給電磁鐵電流：Imax=3.3 A，PWM 型方波（對(duì)于防爆閥Imax=2.5 A）
額定輸入信號(hào)（工廠預(yù)調(diào)）：E-ME-AC-01F:0~+5 V 接點(diǎn) 12c 8a （點(diǎn)接地），E-ME-AC-05F:±5 V 接點(diǎn) 12c 8a （點(diǎn)接地），對(duì)于選項(xiàng)4~20 mA:接點(diǎn) 12c 8a
輸入信號(hào)變化范圍（增益調(diào)整）：±10Vmax  ±2.5Vmin
信號(hào)輸入阻抗：電壓信號(hào)Ri＞50kΩ/（I選項(xiàng)Ri=316 Ω）
對(duì)電位器供電：對(duì)接點(diǎn)10c 供+5V/50mA，對(duì)接點(diǎn)4c 供-5V/20mA                                                                                                                                              E-ME-AC-01F/RR20/A2
E-ME-AC-01F/RR-420
E-ME-AC-01F/RR-420/3
E-ME-AC-01F/RR-420/6
E-ME-AC-01F-420/2
E-ME-AC-05F20
E-ME-AC-05F20/2
E-ME-AC-05F20/3
E-ME-AC-05F20/4
E-ME-AC-05F20/A3
E-ME-AC-05F/4R-420/3
E-ME-AC-05F/4R-420/4
E-ME-AC-05F/I20
E-ME-AC-05F/I20/3
E-ME-AC-05F/I20/4
E-ME-AC-05F/RR20
E-ME-AC-05F/RR20/3
E-ME-AC-05F/RR20/4
E-ME-AC-05F/RR-420/3
E-ME-AC-05F/RR-420/4
E-ME-AC-05F-420/3
E-ME-AC-01F
E-ME-AC-05F
E-ME-AC-01F20E-
E-ME-AC-01F20/2
E-ME-AC-01F20/3
E-ME-AC-01F20/4
E-ME-AC-01F20/6
E-ME-AC-01F20/A1
E-ME-AC-01F20/A2
E-ME-AC-01F20/A4
E-ME-AC-01F/4R-420
E-ME-AC-01F/4R-420/2
E-ME-AC-01F/4R-420/3
E-ME-AC-01F/4R-420/6
E-ME-AC-01F/I20
E-ME-AC-01F/I20/2
E-ME-AC-01F/I20/4
E-ME-AC-01F/I20/6
E-ME-AC-01F/RR20/4
E-ME-AC-01F/RR20/A2
E-ME-AC-01F/RR-420                                                                                                                                               意大利ATOS放大器E-ME-AC-05F 21/3庫(kù)存