GS8547-EX隔離柵
GS8547-EX隔離柵
GS8547-EX隔離柵
模擬量信號連接應(yīng)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(dāng)變頻器與P L C 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(jìn)行模擬量的連接時應(yīng)注意:
(1)阻抗匹配。根據(jù)變頻器的輸入阻抗選擇P L C 的輸出模塊,實(shí)現(xiàn)兩者的阻抗匹配。
(2)電壓范圍。當(dāng)變頻器和P L C 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(jìn)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P L C 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(qiáng)信號的干擾,對控制信號采取適當(dāng)?shù)钠帘未胧?。常用的方式就是采用屏蔽電纜進(jìn)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(shí)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。
ALPHA-電源-B0500;BG035375
ACT20P-CI-CO-P 2489680000
PR Electronics 3103
Fluke 754
Yokogawa YHC5150X
Emerson TREXLHPKLWS3S
Fluke 922
Fluke 971
ATV1200C-D1000059
A5E30947477
BMXXBE2005 數(shù)量5個 面價3612
BMXDAO1605 數(shù)量6個 面價3476
hpu690/192a 2
MT8071IP 1
XB5KS2B4 5
6gk7177-1fa10-0AA0 1
6AV3607-1NH00-0AX0 1
L30N03HUHF8LH6AW7C-7C通信模塊
F35N03HUHF8LH6AM6EW7C(1/5A;DC220V;RJ45;IEC61850) 各1
FA-LTB40P 1臺
bradcommunications 協(xié)議轉(zhuǎn)換模塊/PC104-DPIO DRL-DPM-BKF
FF450R12KT4
FC202-P45K-T4E20H2XG
CSTR-SDB5R5AAA
功率單元 ZINVU-100/17D1-69C-C0
功率單元 ZINVU-35/17E1-C1
功率單元 ZINVU-60/17E1-C1
XLEM-16A/30M
HiD2038 16個
HIC2025 8個
HiD2025 2個
HDPCVD STI ESC 02-260496-00 1
YASKAWA ELECTRIC SGMG-09ASAL-MY1 SGMG09ASALMY1
YASKAWA ELECTRIC JANCD-SV02C JANCDSV02C
YASKAWA ELECTRIC JANCD-SV02B JANCDSV02B
YASKAWA ELECTRIC DDSCR-GL60H3 DDSCRGL60H3
YASKAWA ELECTRIC CP-9200SH/CPU CP9200SHCPU
YASKAWA ELECTRIC CIMR-P5U20370F CIMRP5U20370F
YASKAWA ELECTRIC CIMR-G5M-5037 CIMRG5M5037
YASKAWA ELECTRIC CIMR-G5A4011 CIMRG5A4011
YASKAWA ELECTRIC CIMR-F7U4030 CIMRF7U4030
YAMATAKE 82114805-501 82114805501
WINSMITH 4CV 4CV
WINDSOR MPMAE2S4 MPMAE2S4
ULTRA SONIC SEAL A20 A20
TOTAL CONTROL PRODUCTS GQPI-31200-C2P GQPI31200C2P
TOSHIBA VT130G3U435K VT130G3U435K
TEXAS INSTRUMENTS PLC 565-2820 5652820
TEXAS INSTRUMENTS PLC 530-1102 5301102
TELEMECANIQUE TSX-RAM-25616 TSXRAM25616
TELEMECANIQUE TSX-P47-425 TSXP47425
TELEMECANIQUE LA9-B102 LA9B102
TEKTRONIX TDS460A TDS460A
TECH MOTIVE TOOL 40054P-7019 40054P7019
TAYLOR ELECTRONICS 6014BZ10000E 6014BZ10000E
SYMAX 8055-SCP-453 8055SCP453
SYMAX 8030-CRM-211 8030CRM211
SYMAX 8020-SCP-724 8020SCP724
SQUARE D 8803-P00CO4M 8803P00CO4M
SKALTEK DCD-120-4K DCD1204K
SIEMENS 6SE6430-2UD37-5FA0 6SE64302UD375FA0
SIEMENS 6SC9811-4BC20 6SC98114BC20
SIEMENS 6FC5-203-0AB11-0AA2 6FC52030AB110AA2
SIEMENS 6FC5-110-0BB01-0AA2 6FC51100BB010AA2
SIEMENS 6EW1-890-2AC 6EW18902AC
SIEMENS 6ES5-921-3WB15 6ES59213WB15
SIEMENS 6ES5-581-1EA11 6ES55811EA11
SIEMENS 6ES5-526-3LF11 6ES55263LF11
SIEMENS 6AV7-613-0AB10-0BF0 6AV76130AB100BF0
SIEMENS 6AV1-242-0AB00 6AV12420AB00
RELIANCE ELECTRIC T18R1105T-TX T18R1105TTX
RELIANCE ELECTRIC 86466-59S 8646659S
RELIANCE ELECTRIC 86466-2T 864662T
RELIANCE ELECTRIC 800082-1R 8000821R
RELIANCE ELECTRIC 78469-1R 784691R
RELIANCE ELECTRIC 3RA2008U 3RA2008U
RELIANCE ELECTRIC 3RA2008 3RA2008
RELIANCE ELECTRIC 25V4160 25V4160
RELIANCE ELECTRIC 132AS-B660F-21-K6 132ASB660F21K6
RELIANCE ELECTRIC 0-55325-28 05532528
RELIANCE ELECTRIC 0-52002-1 0520021
RELIANCE ELECTRIC 01KS504852B-EA 01KS504852BEA
ORMEC MAC-B110E/K1A MACB110EK1A
OMRON ITNCEIX01DRM ITNCEIX01DRM
MOORE PRODUCTS 15825-36 1582536
MOORE PRODUCTS 15825-35 1582535
MOORE PRODUCTS 15825-34 1582534
MOORE PRODUCTS 15825-32 1582532
MODICON PC-L984-785 PCL984785
MODICON AS-P230-080 ASP230080
MODICON AS-C484-264 ASC484264
MODICON 140-CPU-424-02 140CPU42402
MITSUBISHI HCSF502BK HCSF502BK
MITSUBISHI HC-H702S-A42 HCH702SA42
MITSUBISHI FR-A740-75K FRA74075K1
MITSUBISHI A4UMCA-128 A4UMCA128
MITSUBISHI A2U-CPU-S1 A2UCPUS1
MATROX GEN/P/16/8/STD GENP168STD
MARPOSS 882I330930 882I330930
LEXIUM BPH1902N5AF2CA1 BPH1902N5AF2CA1
LANDIS & GYR 562-002 562002
KUKA PM6-600 PM6600