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EDB3225
- 更新时间:2025-05-14
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EDB3225
EDB3225
EDB3225
3、 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P L C 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P L C 的输出模块,实现两者的阻抗匹配。
(2)电压范围。当变频器和P L C 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P L C 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。
FR-A740-3.7K-CHT 一件
ACS510-01-088A-4(45kW)2
ACS510-01-125A-4 55KW 1
ACS510-01-031A-4(15kW)2
GD200A-037G/045P-4 45kW 1
ACS510-01-025A-4(11kW) 2
TPC7012EI 3
MT6071iP 2
FX3U-64MT/ES-A 1
FR-A840-00380-2-60 1
FR-DU08 1
FR-PA07 1
FX3U-4AD-TC-ADP 1
FX3U-485ADP-MB 1
FX3U-1PG 1
7V11006B050 DC24V 线长50cm 30
7V120-06-b DC24V线长0.5M 30
FR-E840-0026-4-60 1
FR-A840-00126-2-60 1
E82EV552_4C040 1个伦茨
FRN55G1S-4A 1
FRN110G1S-4A 1
NWIO-01 1
ZPOW-591 2
ACS880-01-430A-3+ZINT-592-FOR-ACS880-01 2
RPBA-01 20
1756-L83E-----
6AV2124-0QC02-0AX1 数量5----
6ES7515-2AM02-0AB0 数量2-------
6ES7515-2AM01-0AB0---------
1747-L553------
1756-L72-------
1756-EN2TR--------
6ES7155-6AU01-0BN0-------
140CPU56150 1-----
ACS580-01-169A-4-----
3BHL000359P0003-------
181-4MB00-0AX0 1
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BMXNRP0200 6
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6ES7901-3DB30-0XA0 2
PPI-RS485 6ES7901-3CB30-0XA0 2根
37148/DC24V 2
ZB2BS44C+ZB2BZ104C+ZB2BE 101C 8
BES M18MI-PSC80B-S04G 5
IEC/EN 60947-4-1 3
MS-120-24 2
BGE1.5 8253854 1
1827000001 G1/4 7
2938633 1
6FX8002-5DA05-1CJ0 2
3RH1131-2BB40 8
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OMD30M-R2000-B23-V1V1D-1L 1
R067024040 4
VARIAN 1V8634001612 ION SAOUCE POWER CABLE B
VARIAN 1V87347908 E220 L/L BREAK FILTER
VARIAN 2-39-33786 CYLINDER PHEUMATIC
VARIAN 2-39-33786 CYLINDER PHEUMATIC
VARIAN 2-39-34961 SYNCHRO BELT
VARIAN 2000020 OPTIC CABLE
VARIAN 2000073 EXTENDER BOARD
VARIAN 206026512 TIP,PROBE,CLEAR,YELLOW
VARIAN 2100024 CONN MHV RECPT BLKHD
VARIAN 2100024 CONN MHV RECPT BLKHD
VARIAN 2100032 CONN BNC PLUG
VARIAN 2111052 CONN. HSG MALE 3 POS
VARIAN 2112880800 BEARING NEEDLE CASSETTE DRIVE
VARIAN 2113996300 BEARING, NYLON (6")
VARIAN 2113996500 BEARING, NYLON (6")
VARIAN 2115021 HOOD,MINI,SIDE MOUNT,2 POS
VARIAN 2115023 BANANA PLUG
VARIAN 2115047 CONN,MINI,SIDE MT,2P
VARIAN 2115119 CONNECTOR,HOUSING,MALE,2 POS
VARIAN 2115224 CONTACT,CRIMP,CONNECTOR,FEMALE
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VARIAN 220950 VACUUM WAND MODEL# NOSQ1
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VARIAN 2215056 CONTROLLER,ASSY,SCR
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VARIAN 2225054 REP. PRESS, 5-125 PSIG
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VARIAN 2505001 BELT
VARIAN 2505002 BELT
VARIAN 2505026 BELT, 32GBF-80-E
VARIAN 2505043 BELT GEAR
VARIAN 2505045 BELT DRIVE 62 PIN
VARIAN 2515073 FLG, BRZ, STB, BRS, NW50
VARIAN 2515111 DOUBLE CLAW CLAMP NM100
VARIAN 252-36750F CABLE BUSHING, GOLD CONNECTOR
VARIAN 252-36762G CONNECTOR BOARD 1F06 STRAIGHT
VARIAN 2520020 BOOT, NEOPRENE
VARIAN 2535107 DELRIN GEAR
VARIAN 2538010 CHAIN MINI PITCH SOURCE HOUSING
VARIAN 2541129 O RING BUNA
VARIAN 2541204 O-RING
VARIAN 2541214 O-RING BUNA-N .98
VARIAN 2541229 O-RING 2.359 ID
VARIAN 2541238 O-RING 3.484
VARIAN 2541245 O-RING
VARIAN 2541255 O-RING 5-5/8"
VARIAN 2541265 O-RING 7.734 ID