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A20B-8100-0820电路板
- 更新时间:2025-03-14
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A20B-8100-0820电路板
A20B-8100-0820电路板
A20B-8100-0820电路板
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。
6ES7823-0BA00-2BA0 1
6ES7135-6HB00-0DA1 3
VPM02D20AA00 2
6SE6440-2AD23-0BA1 1pc
3AUA0000094209 5
3AXD50000026754 5
3AXD50000030156 5
3AXD50000030081 5
3AXD50000030082 5
3AUA0000100122 5
3AUA0000094147 5
3AXD50000025544 5
1783-BMS10CGN 2 面价38784
ACS355-03E-38A0-4 1 pcs
6SE6440-2UD15-5AA1 1 pcs
7MF4433-1EA22-1DC6-Z-A01+B21+Y01+Y15 1 pcs
6AG1 647-0AG11-4AX0 2
6GK1503-3CB01 1
S7-1200 CPU1214CDCDCDC 台1
A7E32500184221 编号:HDZ-22880B型DC220V 台1
弹性度量膜,elastometric membranes sm abb, 100879-001,数量10
操作面板,operator panel 100472-012,数量3
加热器组,heater set abb or heater preassembled 128476-001,数量2
装配式齿轮swp用塑料环卡套,ferrum sleeve with plastic ring for gear SWP assembled 125513-001,数量10
6EZ2041-8UG77-0EU11
6EZ2041-8UG77-0AU11
6EZ2041-8UG07-0EU36
6EZ2041-8UG07-0AU36
194R-J60-1753 1面价1547
3AUA0000094209 5
3AXD50000026754 5
3AXD50000030156 5
3AXD50000030081 5
3AXD50000030082 5
3AUA0000100122 5
3AUA0000094147 5
3AXD50000025544 5
艾默生IC695ECM850 6
ME98MBP001 1
安川 CIMR-AB4A0031FBA ,数量2
6SN2132-1CU11-1BA1 数量1
1TGE120011R1000 3
1TGE120071R1000 3
1TGE120028R0010 2
3AUA0000096881 1
3WL1216-4BB34-4AN2 2
YOKOGAWA DX204-2-2/BT11M1 DX20422BT11M1
YASKAWA ELECTRIC UAACLA-37AA2K UAACLA37AA2K
YASKAWA ELECTRIC LHBVB027J LHBVB027J
YASKAWA ELECTRIC CIMR-P5U20300F CIMRP5U20300F
WESTINGHOUSE HNCG31200F HNCG31200F
WESTINGHOUSE DS416-1200A-LSIG DS4161200ALSIG
UNITED TECHNOLOGIES TVD6-200-10BL TVD620010BL
TOSHIBA VT130G3U-6400 VT130G3U6400
TOPAZ 97630-21 9763021
TEXAS INSTRUMENTS PLC CVU1000-8001 CVU10008001
TEXAS INSTRUMENTS PLC 505-5103 5055103
TEKTRONIX 3001GPX 3001GPX
TB WOODS WFC-4050-0CHT WFC40500CHT
TAYLOR ELECTRONICS 5202RA2000 5202RA2000
SYMAX 8030-CRM-211 8030CRM211
SYMAX 8010-SFW-601 8010SFW601
STAEFA CONTROL SYS REG9 REG9
SQUARE D SMSDL SMSDL
SPRECHER & SCHUH CA1-800-N CA1800N
SIEMENS 6SN1-145-1BA01-0DA0 6SN11451BA010DA0
SIEMENS 6SE9-212-0DA40 6SE92120DA40
SIEMENS 6SE6440-2UE31-5DA1 6SE64402UE315DA1
SIEMENS 6SE3-212-7DA40 6SE32127DA40
SIEMENS 6FX1-113-4AD01 6FX11134AD01
SIEMENS 6FM1-470-4BA25 6FM14704BA25
SIEMENS 6FM1-470-4BA20 6FM14704BA20
SIEMENS 6ES7-624-1AE00-0AE3 6ES76241AE000AE3
SIEMENS 6ES7-444-1MX0-00XE0 6ES74441MX000XE0
SIEMENS 6ES7-317-2EK13-0AB0 6ES73172EK130AB0
SIEMENS 6ES5-982-1AA11 6ES59821AA11
SIEMENS 6ES5-926-3SU11 6ES59263SU11
SIEMENS 6ES5-902-3SA12 6ES59023SA12
SIEMENS 6DS1308-8AA 6DS13088AA
SIEMENS 6AV7-801-0AA00-2AC0 6AV78010AA002AC0
SIEMENS 1PH7133-2ND02-0CA0 1PH71332ND020CA0
SICK OPTIC ELECTRONIC IVC-3D21112 IVC3D21112
SEW EURODRIVE SF4DT71D4BMGHRASDX3 SF4DT71D4BMGHRAS
SANYO DENKI 65AA030TXR03 65AA030TXR03
RELIANCE ELECTRIC SA3000DC070 SA3000DC070
RELIANCE ELECTRIC B/M-805401-5R BM8054015R
RELIANCE ELECTRIC 805401-1R 8054011R
RELIANCE ELECTRIC 805401-15 80540115
RELIANCE ELECTRIC 803456-21T 80345621T
RELIANCE ELECTRIC 50R4160 50R4160
RELIANCE ELECTRIC 45C-360 45C360
RELIANCE ELECTRIC 2EC4040 2EC4040
RELIANCE ELECTRIC 29422-V 29422V
RELIANCE ELECTRIC 1KSK06307-WQ 1KSK06307WQ
RELIANCE ELECTRIC 1KSK05412-PQ 1KSK05412PQ
RELIANCE ELECTRIC 0-52837 052837
RELIANCE ELECTRIC 0-51893-1 0518931
PERCEPTRON 9110014 9110014
PCME LTD DM-990 DM990
PACIFIC SCIENTIFIC M5HLON-00115-00 M5HLON0011500
ONE AC CORP CX4196-NG CX4196NG
OMRON 3G3RV-A2300-AV1 3G3RVA2300AV1
OKUMA E4809-032-487 E4809032487
NSK 7028A5TDBC7P4 7028A5TDBC7P4
NDC P680163 P680163