IC693CPU374-DJMP
IC693CPU374-DJMP
IC693CPU374-DJMP
模拟量信号连接应注意的问题变频器中的模拟量输入信号,通常指0~10V/5V 的电压信号或0/4~20 mA的电流信号;这些模拟量输入信号可通过接线端子由外部给定,当变频器与PLC连接时,这些模拟量输入信号也可来自PLC的模拟量输出信号,如图3 所示。在进行模拟量的连接时应注意:
(1)阻抗匹配。根据变频器的输入阻抗选择PLC的输出模块,实现两者的阻抗匹配。
(2)电压范围。当变频器和PLC的电压信号范围不同时(如变频器的输入信号为0~10V,而PLC的输出电压信号范围为0~5V 时;或PLC的一侧的输出信号电压范围为0~10V而变频器的输入电压信号范围为0~5V时),需采用串联电阻的方式进行分压,以保证两者在正常电压范围内
工作,避免电压过限可能损坏器件。
(3)采用屏蔽电缆或绞合电缆。对于变频器和PLC而言,弱电控制信号(电压0~5V/10V、电流0/4~20mA等)易受到外界强信号的干扰,对控制信号采取适当的屏蔽措施。常用的方式就是采用屏蔽电缆进行屏蔽;对于长距离的控制回路宜采用绞合电缆,绞合电缆的绞合间距尽可能小。
(4)主、控电缆分开布线。实际连线时,注意主、控电缆分开布线,且相隔的距离。以保证主电路侧的干扰及噪音影响不到控制电路。
370-0AA01-0AA0 1
321-1BH101-0AA0 1
321-1BH10-0AA0
361-3CA01-0AA0 IM361 1
1PH6170-1NF47-2AA0 1
6ES7 924-0AA00-0AA0 10
NSYPLM108TG,10个
NSYPFPLMG,10个
NSYPFPLMG,10个
3BSC950107R1
3BSE008508R2
3BSE022366R2
3BSE022464R1
ACS880-01-017A-3
ACS880-01-072A-3
T200660
TB807 (3BSE008538R1)
3AUA0000097468 E92902381B 1
6SE7090-0XX84-0FB0
6SE7090-0XX84-0FE0
3300/20-12-01-01-02-02
NS2104ST
4VP0150G24B1C1
品牌:安川 CIMR-VC4A0004BAA;
CIMR-VB4A0004BAA;
MPA31W10 1000A 1
MPA31W20 2000A 1
V608JPC数量1
KFD2-STC4-Ex12O 15
MLFB 3AY1411-0F S-A7E-109-00650-001 数量10
PXF4ABY2-JWY00 1
ZR125KCE-TFD-522 1
6Gk1562-2AA00 1
SQ/DR-WVG-DT/01B(233.52.100) 2
3X2CA-PLC 1
D37360310 1
LMK-0.66 400/5 12
4NIC-K360 5
FVC07 P-900233 1
1.工控机:6ES7675-1CK30-0AA0 1台
2.工控机:6AG4141-5AB14-0FA0 1台
3.触摸屏:6AV6643-0CD01-1AX1 1台
4.触摸屏:6AV2124-0QC02-0AX0 1台
光纤放大器 MLV40-LL-IR/47/92 询价2件
Omron CCS-QSQ-070070-SW 3pcs
E1063 1pc
SICK 1217090 1pc
032-1BD40 6pcs
032-1BB40 6pcs
031-1BF60 6pcs
SK-R1-PINT2-F8 1PCS 22年面价13479
DANFOSSH84101 2
VALVEDANFOSSH84100PIPE RACKING STYSTEM 2
RACKING STYSTEM DANFOSSH84102PIPE RACKING STYSTEM 2
315268 AE.30.5.0.P.VA INDICATOR 4只
EDS-208 1
S8VS-24024A 1
BVG40Z05 1
HF-KP010M5B-S1 1
HF-KP010M5B-S1 1
yokogawa Ut35A Suffix 000-11-00
变频器总线板;7820H500-A
变频器电源板;7820H510-A
C7350-9015 1
Danfoss VLT2805(195N1007) - 1
焊接电缆 3X35 J3-6 SDP-WW2-A540 S420007387-0027
YASKAWA ELECTRIC USASEM-10HS13 USASEM10HS13
YASKAWA ELECTRIC CACR-SR-15SZ1SSY228 CACRSR15SZ1SSY21
YASKAWA ELECTRIC CACR-SR15SZ1S-SY22 CACRSR15SZ1SSY22
WOODWARD 8406-113 8406113
WESTRONICS INC 4040-2-400-400-400-400-011-010-000 4040240040040040
WESTINGHOUSE 4D33811G02 4D33811G02
WARD LEONARD 5004-3001-11 5004300111
US DRIVES 0400-0075CT-DT-F-1 04000075CTDTF1
US DRIVES 0400-0060CT-DTV-F 04000060CTDTVF
US DRIVES 0400-00075CT-DT-F 040000075CTDTF
TOSHIBA VT130G7U-4400B VT130G7U4400B
TOSHIBA VFAS1-6750PL-HN VFAS16750PLHN
TEXAS INSTRUMENTS PLC 6AV7613-0AB22-0BJ0 6AV76130AB220BJ0
TEXAS INSTRUMENTS PLC 560-2124 5602124
TELEMECANIQUE TSX-RAM-51216 TSXRAM51216
TELEMECANIQUE TPM-XP1-074-30 TPMXP107430
SYMAX 8020-SCP-444 8020SCP444
SYMAX 8020-SCP-424 8020SCP424
SYMAX 8020-SCP-424 8020SCP424
SQUARE D PM870RD PM870RD
SQUARE D 8538-SFA23 8538SFA23
SPARLING FM625-OF3-111 FM625OF3111
SIEMENS 6SE9-531-7DK40 6SE95317DK40
SIEMENS 6SE9-221-5DC40 6SE92215DC40
SIEMENS 6SE7031-0EE60 6SE70310EE60
SIEMENS 6SE6-430-2UD42-5GA0 6SE64302UD425GA0
SIEMENS 6SE3-226-8DJ40 6SE32268DJ40
SIEMENS 6SE3-226-8DJ40 6SE32268DJ40
SIEMENS 6-RA-2275-6GS22-0 6RA22756GS220
SIEMENS 6GF2005-0BC01 6GF20050BC01
SIEMENS 6ES5-948-3UA11 6ES59483UA11
SIEMENS 6ES5-456-7LA11 6ES54567LA11
SIEMENS 6DS1-105-8BA 6DS11058BA
SIEMENS 3RW2240-0CB15 3RW22400CB15
SEW EURODRIVE MDV60A0220-503-4-06 MDV60A0220503406
SANYO DENKI PDT-B3B-10 PDTB3B10
SAGINAW AV-486506 AV486506
ROOTS 718-U-RAI 718URAI
REXROTH 1-070-083-221 1070083221
REXROTH 0-608-830-226 0608830226
REXROTH 0-608-830-206 0608830206
REXROTH 0-608-830-141 0608830141
RELIANCE ELECTRIC 801429-1SC 8014291SC
RELIANCE ELECTRIC 40V4160 40V4160
RELIANCE ELECTRIC 0-54200-2 0542002
PRINTRONIX T5308 T5308
PPT VISION 661-0326-C30 6610326C30
PPT VISION 661-0306 6610306
OMRON NT31-ST121B-EV2 NT31ST121BEV2
OMRON F350-C41-E F350C41E
OKUMA VACMF22/18.5R-153UR5 VACMF22185R153UR
NVIEW V70 V70
NDC P680163 P680163
NACHI AUY333 AUY333
MTS SYSTEMS CO MPM3202-R1-1405 MPM3202R11405
MTS SYSTEMS CO MPM3202-R1-1405 MPM3202R11405
MODICON PC-BALU-821 PCBALU821
MODICON AS-BDAU-204 ASBDAU204
MODICON 91-01213-01 910121301
MODICON 140-CHS-110-00 140CHS11000
MODICON 140-AII-330-00C 140AII33000C
MIYACHI MM-326B MM326B
MITSUBISHI Q4A-CPU Q4ACPU
MITSUBISHI Q3ACPU Q3ACPU