IC697CPU782-HA
IC697CPU782-HA
IC697CPU782-HA
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。
9-3
LH10-10A15 数量15
LH15-10A15 数量10
LH20-10B15 数量5
A76L-0300-0164 1
ATS48C32Y 1
V700-A80 数量4
丹弗斯软启 MCD5-0428C-T5-G4X-00-CV2,3 PHASE;200-428 VAC;50/60Hz;0360A-0927A;IP00;220-240VAC 2台
ATV61FHU15N4Z 2
VW3A1101 6
ZCMD21C12数量5
22B-A2P3N114 面价3221
ATV32HU30N4 1
SDGV-120A01A 2
1762-L40BWA 面价 8723
1762-OF4 面价 3186
ATV212HD11N4
ATV212HD37N4
ATV212HD45N4
6AV6642-0BA01-1AX1(带内存卡SD卡) 1台
SGDV-180A11A 2
SGDV-470A11A 2
SGDV-550A11A 2
RXRR-01A-XXD 1
6ES7153-4BA00-0XB0 5
6ES7952-1KL00-0AA0 5
6AV2123-2JB03-0AX0 各一
WEINVIEW(威纶通)PLC显示屏 TK6070IQ 1件
绝缘电阻测试仪 ISO685-D 1
ACS550-01-038A-4+ACS-CP-D 1台
`SPG`电机 PCH35-60-EB075W6L 1只
安川 变频器风扇 U7556KX-TP 5
FX3u-64M 3
0240D010BH4HC数量1
RH50M-6DK.41.1R 2台
CRE 66-4096 G24 LE01 1
ERN1387.025-2048 ID727221-51 1
E820-DTU GB/T16611-2017 4
JSKM-M900C 1
BKSC 4015GS1(通用进给轴)标准:EN50178,EN60204 1
FX5-16EX/ES 12
美国UE精密传感器ECHOLINE LDP10KP-15??MILFORD?CT.06460???????数量6只
FC302-P45KT5E20H2XGC 1
650G-43190030-B01P00-A2?这款Parker的数量4
AC-AC Drive , 3Ph , 37KW ,?
Model no:?890SD-532730E0-B00-1A000
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FX5-16EX/ES 10
6ES7321-1BP00-0AA0数量3
6ES7131-4BB01-0AA0数量4
6ES7193-4CB70-0AA0数量4
FRN7.5E1S-4C-7.5KW 1
丹弗斯FC-302P45KT5E20H2XGC 1
XC726NW100-2B 1
725I-S-S-6000-Q-HV-5-F-1-SX-N-CE 1个
CSSP12-AA数量2
FEN-31 1
FX3U-48MR-ES-A 1个
EDWARDS D37482975 1
7ML5221-1AC11 1个
6ES7505-0KA00-0AB0 2
6ES7531-7NF10-0AB0 2
ABB 129740-002 数量2
6RA8025-6DS22-0AA0 1
ACS880-01-087A-3+D150+K454 1
ACS580-01-07A3-4 1
TPC7062TH 1
ATS48C32Q 1
Precima PMG500-S 6
1794-TB3 3 面价1751
ACS510-01-060A-4 1
ACS880-01-061A-3+K454 1
ACS880-01-084A-7+D150+K454 1
LDZ10500424.070 1
223-1PL22-0XA8 1
6SL3220-3YD42-0UB0 1
6SL3220-2YD30-0UB0 1
1VCF349767S0909 数量3
6ES7531-7PF00-0AB0 1
6ES7531-7PF00-0AB0 1
OT250KFCC3B 28
OT400DFCC3B 3
6ES7138-6AA01-0BA0 30
6ES7288-1ST60-0AA0 10
DSTD-108 4
DSDO115A
DSTK165L10 3
TB82TE2010101 6
TB2640.10111010022 6
1-6FX2001-5QN13 Siemens 1 Pc
2-6FX2001-5QN25 Siemens 1 Pc
ATV312HU11M2,3个
ABL8WPS24200,2个
ATV312H075M2,2个
ATV312HU40N4,1个
ACS580-01-430A-4 ,1个
ACS880-01-293A-3,1个
ACS580-01-246A-4 ,1个
ACS580-01-206A-4,1个
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SIEMENS - LANDIS & STAEFA - DUCT AVERAGING SENSOR 544-342 *NEW* (COPPER)
349-0100 Landis & Gyr New In Box HVAC Direct Coupled Actuator Siemens 3490100
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Second Order Equations of Elliptic and Parabolic Type by E. M. Landis (1997,...
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