6GK5208-0BA10-2AA3
6GK5208-0BA10-2AA3
6GK5208-0BA10-2AA3
模擬量信號連接應注意的問題變頻器中的模擬量輸入信號,通常指0∼10V/5V 的電壓信號或0/4∼20 mA的電流信號;這些模擬量輸入信號可通過接線端子由外部給定,當變頻器與PLC連接時,這些模擬量輸入信號也可來自PLC的模擬量輸出信號,如圖3 所示。在進行模擬量的連接時應注意:
(1)阻抗匹配。根據變頻器的輸入阻抗選擇PLC的輸出模塊,實現兩者的阻抗匹配。
(2)電壓範圍。當變頻器和PLC的電壓信號範圍不同時(如變頻器的輸入信號為0∼10V,而PLC的輸出電壓信號範圍為0∼5V 時;或PLC的一側的輸出信號電壓範圍為0∼10V而變頻器的輸入電壓信號範圍為0∼5V時),需採用串聯電阻的方式進行分壓,以保證兩者在正常電壓範圍內
工作,避免電壓過限可能損壞器件。
(3)採用屏蔽電纜或絞合電纜。對於變頻器和PLC而言,弱電控制信號(電壓0∼5V/10V、電流0/4∼20mA等)易受到外界強信號的幹擾,對控制信號採取適當的屏蔽措施。常用的方式就是採用屏蔽電纜進行屏蔽;對於長距離的控制回路宜採用絞合電纜,絞合電纜的絞合間距盡可能小。
(4)主、控電纜分開布線。實際連線時,注意主、控電纜分開布線,且相隔的距離。以保證主電路側的幹擾及噪音影響不到控制電路。
SH30703P12F2000
SH30703P02A2000
SH30703P02F2000
SH30703P01A2000
SH30702P01A2000
SH31002P02A2000
SH31002P11F2100
SH30552P02A2000
SH30553P01A2000
SH30553P02A2000
SH31001P01A2000
SH31002P01F2000
SH30703P12A2000
SH31001P12A2000
SH30702P12A2000
SH30703P01A2000
SH31404P11A2100
SH31003P02A2100
SH30552P02F2000
SH31002P01A2000
SH31002P11A2100
SH31003P12A2000
SH31401P12F2000
SH31403P12A2000
SXWRCF12 10002
SXWRCF12B10002
SXWRCF12C10001
SXWRCF16A10002
FS-CCI-HSE-30 2
FC-RUSIO-3224 2
FC-IOTA-R24 1
FS-CCI-HSE-60 1
CC-TUIO31 2
CC-PUIO31 2
ATV1200C-D5000028 1
1769-IM12 3 面價3899
6AV6643-0DD01-1AX1 1
6ES7390-1AE80-0AA0 1
6GK5208-0BA10-2AA3 1-------------
6RA8078-6DV62-0AA0 1
6FC5548-0BA20-1CA0 2
6FC5548-0BA20-1AA3 2
Bently Nevada Module 3500/20-01-02-00 1
Cable 3300XL PDC200-045-00-00 2
Bently Nevada PDC200 Cable-035-00-00 1
330130-035-00-00
Bently Nevada PDC200 Cable-035-00-00 1
Bently Nevada PDC200 Cable-035-00-00 1
Bently Nevada PDC200 Cable-035-00-00 1
Bently Nevada PDC200 Cable-035-00-00 1
Bently Nevada PDC200 Cable-035-00-00 1
3500/42M-05-00 2
3500/25-01-01-00 1
Vibration Monitor p/n 200105831 2
Bently Nevada PDC200 Cable-045-01-00 5
Bently Nevada PDC200 Cable-035-00-00 6
37603102DRS232CS
JANCDMM0903
JANCD-CP07C
HNC31200F
VT130G2-4400
505-ATM-4120
ATV-45VD75N
WFC4030-0C
WF2C4020-0N
MEM86E12BK
HCM1873-5M
8839-58EGG4VW
8502-SGO2-V02S
S30810Q2168X07
S2-48255-B-001
HDU325
9350RC-100-0NZZZA
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6SE9-215-8DB40
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AVY4220-KBX
CE-SBC-SC400
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T2151301H-WT
PML-2145C
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802272-14T
1KSX00621-WP
IBSISASC486DXIT
R65GMNA-TS-LG-NV-00
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SACDE04D2I
SACDE04C1I
3G3RV-B2370-AV1
NPST-E
AIGV-6400001
SP-BJ1-015
MPM1901FRMM-427
QLCCM12ABN
39HFM2CAN
MM-PMC2-100
AS-9900-140
140-CPU-434-12A
MR-RB507-4
MR-H700AN-UE
MC2-PDK
HALFS8014
DS100S128
BH-626-E-43-B3
DIL12AM230276V
SP261-L
RX3152-5G
WMC124ST
3CPT36030SD07026
TRANS01M020000
TDM12100300W1000
TDM12100300W1115
TDM1.2-100-300-W1