電器及PLC控制技術(shù)電氣原理圖

電器及PLC掌握技術(shù)電氣原理圖標(biāo)準(zhǔn)化文件公布號：〔9312-EUATWW-MWUB-WUNN-INNUL-DQQTY-PLC一、三相異步電機的全壓起動掌握電路

2、電動機的點動掌握電路〔1〕僅能點動掌握的電路1、電動機連續(xù)運轉(zhuǎn)掌握電路L1 L2 L3

L1 L2 L3QFUQFUFU2SBKMKMM3~QFUFU2SB1SB2KMKMKMRFRM3~〔2〕手動開關(guān)掌握的點動、長動掌握電路 〔3〕掌握按鈕的復(fù)式觸點掌握的點動、長動掌握電路L1 L2 L3

L1 L2 L3QFUQFUFU2SB1SB2KMSB3KMKMRFRM3~QFUFU2SB1SB2KMKMKMRFRM3~FF〔4〕中間繼電器掌握的點動、長動掌握電路L1 L2 L3

3、挨次起停掌握電路〔1〕承受兩個停頓按鈕的挨次起停掌握電路L1 L2 L3QQFUQFUFU2SB1SB3SB2KAKMKARFRM3~FU1KA FU2

SB3KM1 KM2KM

SB2 KM2KM1 SB4KM1F

FR2

KM1 KM2M1 3~ 3~

FR1 FR2承受一個停頓按鈕的挨次起停掌握電路L1 L2 L3

承受時間繼電器延時的挨次起停掌握L1 L2 L3QFUFU1FU2

QFUSB1SB2 KM1

FU1FU2

SB1SB2 KM1 KT KM2KM1 KM2

SB3 KM2

KM1

KM2

KM2FR1 FR2KM1 KM2

FR1 FR2 KM1 KT KM2M1 M23~ 3~

FR1 FR2

M1 M23~ 3~

FR1 FR24、可逆旋轉(zhuǎn)掌握電路 〔2〕1〕手動按鈕掌握電路：〔1〕L1 L2 L3QFU FU1

L1 L2 L3QFU FU1KM2

KM1

SB1SB2SBSB2KM1

KM2

KM2

SB1SB2SBSB2KM1KM1KM2 KM1

KM2FR M3~

KM1 KM2

FR M3~

KM1 KM2〔3〕 2)自動循環(huán)掌握前進工作L1 L2 L3工作后退QFU FU1

SQ4 SQ2 SQ1 SQ3KM2

KM1

SB2

KM1 SB3

KM2 L1 L2 L3QFU

FU1FR M3~

KM2KM1

KM1KM2

KM2

SB2

KM1

SB3

KM2

SQ2KM1FR

SQ2 SQ1FR SQ4 SQ3KM2 KM1M3~KM1 KM2二、三相異步電機的減減壓起動掌握電路1、定子繞組串電阻減壓起動掌握電路L1 L2 L3

2、星形——三角形減壓起動掌握L1 L2 L3QFU FU1FU2

QFUQFUFU2SB1SB2KMKMKMKMYKTKTRKMFRM3~KMKMKMKTKMYKMYKM1 SB2 KM1 KM2KM2 KM1 KT KTKM2RFFRKM2 FRM3~3、變壓器減壓起動掌握電路 4、延邊三角形減壓起動掌握電路717L1 L2 L39QFU9QFUFU2SB1KM1SB2KT1KM2KTKM2M2KM1KM2KTKM1RM3~FRKM1KTKM28482 5 3L1 L2 L3QQFU2SB1SB2KMKMFRKTKTKM123 456789YKMKMYM3~KMKTKMYKMFRFKM三、三相繞線式異步電動機的轉(zhuǎn)子串電阻起動掌握 四、三相異步電動機的制動掌握電路L1 L2 L3

1、三相異步電動機能耗制動掌握電路FU1 Q

FU2

KM KASB1

L1 L2 L3FU1 Q

FU2

KM2KM KA1SB2 KM

TC 2

SB1KA2FR

KM1 SB2VC

KM1 KTM3~ FRKM3 KM KA KM1 KM2 KM3R3KM2 KA3

FR KM2 KM1KM2RP KM2KM1 KM2 KTFRKM1

MR23~KA2R1KA12、三相異步電動機的反接制動掌握

3、三相異步電動機的電容制動掌握KTL1 L2 L3 SB1 KM1L1 L2 L3QFU

FU1

FU1 Q

FU2

SB2 KM1KM2