P139-369000F0-313-420-651-921
P139-369000F0-313-420-651-921
P139-369000F0-313-420-651-921
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(jù)變頻器的輸入阻抗選擇PLC的輸出模塊,實現(xiàn)兩者的阻抗匹配。
(2)電壓范圍。當變頻器和PLC的電壓信號范圍不同時(如變頻器的輸入信號為0~10V,而PLC的輸出電壓信號范圍為0~5V 時;或PLC的一側(cè)的輸出信號電壓范圍為0~10V而變頻器的輸入電壓信號范圍為0~5V時),需采用串聯(lián)電阻的方式進行分壓,以保證兩者在正常電壓范圍內(nèi)
工作,避免電壓過限可能損壞器件。
(3)采用屏蔽電纜或絞合電纜。對于變頻器和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干擾,對控制信號采取適當?shù)钠帘未胧?。常用的方式就是采用屏蔽電纜進行屏蔽;對于長距離的控制回路宜采用絞合電纜,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(cè)的干擾及噪音影響不到控制電路。
A860-0365-V501 1
6SY7000-0AA52 5
6SY7000-0AB15 3
AB壓力開關(guān) 407778 1
A02B-0236-C203/F 1
E94AMHE0324 一個
風機:F175HG-061-D0750 數(shù)量2 要全新原裝的
風機 RER175-39/18/2 2臺 EBM 要全新原裝的
FRD.MS1BXF.123B#機調(diào)門各一個 1套
FRD.WJA3.002 機主門用(油動機) 1套
A1A363628.00M 1
KM221S/D 1
KM226S 1
7Z01550 1
CI854A 1
A660-2005-T505 15米 1根
6AV6642-0BA01-1AX1 2PCS
KFD0-CS-EX1.51P 15pcs
1756-PB50 1
6ES7143-1BF30-0XB0 6
RF600?420/2500-485 1
MTD-2000UP-C 1
6SN1114-0NB00-0AA1 1
IFM?SI5010 2
4WEH22?7X/6AG24NTK4/V 1
EPM-S406 1
EPM-S408 1
155-6AU00-0CN0 1
LPQ252 1
7E14007 6
SGMJV-08AAA61 1
K37DR63M4/BR 1
ACS800-07-1500-7 6
ML141402110 1
P1K014A6 2
DRE100M4BE2/TF 1
ACH?550-01-059F-4 1
R900524421 1
FB21-040GK/A 數(shù)量2
266drhf srrsb1 t1c1h3,4臺
7400-A-1-A-2 PT100 2
RVC-8 2
OVR T1 3N 25 255 3
25C-A4P8N114 4878 1
YOKOGAWA 3760-31-02/D/RS-232C/REM/AK-02/LMP 37603102DRS232CR
YASKAWA ELECTRIC USASEM-30AS2K USASEM30AS2K
YASKAWA ELECTRIC DDSCR-GL70H3 DDSCRGL70H3
YASKAWA ELECTRIC CIMR-SSA-4055 CIMRSSA4055
YASKAWA ELECTRIC CACR-PR03BC3ES CACRPR03BC3ES
WINSMITH A-44381X0GC A44381X0GC
WESTINGHOUSE S140D481G02 S140D481G02
WESTINGHOUSE DBL-25-1200 DBL251200
WESTINGHOUSE 2067A02G06 2067A02G06
TOTAL CONTROL PRODUCTS QPL-CGA-E0000 QPLCGAE0000
TOSHIBA VT130G2U5270 VT130G2U5270
TEXAS INSTRUMENTS PLC MON-4614-SM MON4614SM
TEXAS INSTRUMENTS PLC 560-2120W 5602120W
TEXAS INSTRUMENTS PLC 505-ATM-0440 505ATM0440
TELEMECANIQUE TSX-P87-425 TSXP87425
TB WOODS WF2C4075-0A WF2C40750A
TAYLOR ELECTRONICS 6214PZ00005A 6214PZ00005A
TAYLOR ELECTRONICS 6204BZ10100G 6204BZ10100G
TAYLOR ELECTRONICS 6202NZ10000C 6202NZ10000C
TAYLOR ELECTRONICS 6202NZ10000 6202NZ10000
SYMBOL TECHNOLOGIES VRC6940-00V651US VRC694000V651US
SYMBOL TECHNOLOGIES VRC6940 VRC6940
SYMAX 8881-MLI-224 8881MLI224
SYMAX 8030-ROM-871 8030ROM871
SYMAX 8020-SCP-631 8020SCP631
SYMAX 8010-SFW-473 8010SFW473
SYMAX 8010-SFW-472 8010SFW472
SQUARE D MHL3670035DC2351 MHL3670035DC2351
SQUARE D 8639NSA4SSPL1SPL2 8639NSA4SSPL1SPL
SIEMENS 6SE9-523-7DH40 6SE95237DH40
SIEMENS 6SE7643-7HC33-3KX0 6SE76437HC333KX0
SIEMENS 6SE7-031-8TF50-1AA0 6SE70318TF501AA0
SIEMENS 6SE7023-8TP50-Z 6SE70238TP50Z
SIEMENS 6FC5357-0BB34-0AE1 6FC53570BB340AE1
SIEMENS 6ES7-650-0BA13-0BX0 6ES76500BA130BX0
SIEMENS 6ES7650-0BA10-0BX0 6ES76500BA100BX0
SIEMENS 6ES5-943-7UB21 6ES59437UB21
SIEMENS 6ES5-943-7UB21 6ES59437UB21
SIEMENS 6DS1-220-8AA 6DS12208AA
SIEMENS 6AV3-627-1JK00-0AX0 6AV36271JK000AX0
SIEMENS 1PH4168-4NF26 1PH41684NF26
ROBO CYLINDER ISPA-MZM-A-200-10-200-T1-AQ-B ISPAMZMA20010200
REXROTH 1-070-083-221-304 1070083221304
RELIANCE ELECTRIC UVZ3475 UVZ3475
RELIANCE ELECTRIC S-D4006-C SD4006C
RELIANCE ELECTRIC S6R-9006 S6R9006
RELIANCE ELECTRIC 86466-60T 8646660T
RELIANCE ELECTRIC 8371324BTP 8371324BTP
RELIANCE ELECTRIC 45C-313A 45C313A
RELIANCE ELECTRIC 45C-231 45C231
RELIANCE ELECTRIC 3RA2015 3RA2015
RELIANCE ELECTRIC 30V4260 30V4260
RELIANCE ELECTRIC 24C4140U 24C4140U
RELIANCE ELECTRIC 0-5285-0 052850
POWERTEC INDUSTRIAL MOTORS INC M6HLEN-00090-00 M6HLEN0009000
PARVEX MC19PA7326 MC19PA7326
ORMEC ORN-J1057301 ORNJ1057301
OMRON NT31-ST121B-EV1 NT31ST121BEV1
OMRON NSJ10-TV00BG5D NSJ10TV00BG5D
OMRON F400-C15E F400C15E
NIKKI DENSO NPSA-ZMTA-201AE NPSAZMTA201AE
NIKKI DENSO NPSA-ZMTA-101AE-CE NPSAZMTA101AECE
NIKKI DENSO NPSA-ZMTA-101AE NPSAZMTA101AE
NEMATRON CORP ICC-5000-PC1 ICC5000PC1
MOTOMAN ROBOTICS RM6210 RM6210
MODICON S79G-S00-P010 S79GS00P010
MODICON MMPMT24T0C MMPMT24T0C
MODICON MM-PMT1400C MMPMT1400C
MODICON AS-D008-040 ASD008040
MITSUBISHI Q4A-CPU Q4ACPU
MITSUBISHI Q25H-CPU Q25HCPU
MITSUBISHI ACME AD51S3 AD51S3
MEASUREX 51401288-100 51401288100
MEASUREX 51305390-100 51305390100
MEASUREX 51304362-150 51304362150
MEASUREX 09806701 09806701
MEASUREX 08495006 08495006
MATTSON 5514027 5514027