DIGIFAS-7204-L2/DP
DIGIFAS-7204-L2/DP
DIGIFAS-7204-L2/DP
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。
X光机光管MCT120-6F RTW 数量1
EDS-408A-SS-SC 2个
HTB1024B1/107.806/E-S8A2 2
HOG10 DN 1024 1 1
8.5868.12C2.C212 1
RHI90N-ONAK1R61N-01024 2
FLSWITCHSFN.6TX/2FX ST 1
4NIC-K600 1
HTB1024B1/107.806/J-S8A2 2
PZE-X4P 4
BX5024 1
8.3620.5234.0100/8-30VDC 1
USB-QC30R2 1
FR-PA07 2
PT-PSE100
VBG-PN-K20-D-BV 2
JHBM-DZX-2T 2.
ZKC-YMJ.PCB/2B1608-1 2
LCM1602B/VER1.0 2
JMF-Z-25/G1/25MM 10
LPDA25 10
PVM145TNT 1
MDDLN55NE1.5KW 1
Controller [NERCAR-SIS-LED-520/INSTITUTE OF ENGINEERING TECHNOLOGY,USTB],100~240VAC,FOR HSM SDD 数量1
FX5U-32MT/ES 1
F3S-TGR-NSPC-21M1J8 2
3RT2035-3NB30 20个
6ES7132-6BF01-0BA0 1
6AV7241-3BB04-0FA0 2
6SL3210-1PH25-2AL0 1
6SL3710-1GH35-8AA3-Z 订货号:DO2+D04+G60+K50+K95+L13+L19+L23+L26+L50+L62+L83+L84+M07+M70+M90+T93 1
6SL3210-1PH31-0AL0 1
6SL3040-DPA00-0AA1 2
6SL3040-0PA00-0AA1
6SL3040-1MA01-0AA0 2
6ES7155-5AA00-0AC0 2
6ES7155-6AU01-0CN0 2
6SL3310-1GH32-2AA3-ZT93 1
6GK5216-0BA00-2AC2 1
6SL3310-1GH31-0AA3-ZT93 1
ABB CP-6/3.0 变频器 1件
abb PFEA111-65 数量是1件
PFTL301E 1.0 kN 数量是2件
电源模块MPS10/5-230/24/48 UN5000ABB:1块
DCS800-S02-0260-05 数量2
DCS800-S02-1500-05 数量1
SD834 1
1.触摸屏:6ES7635-2EB02-0AE3 1
2.6ES7322-1HH01-0AA0 2
3.6ES7331-7KF02-0AB0 1
4.6ES7134-4MB02-0AB0 1
6AV6648-0CC11-3AX0 1
6FC5851-1YG41-6YA0 2
5SY42PC10 333
2090-CFBM7DF-CEAF15 面价3752 1
6SL3224-0BE21-5UA0 1.5KW 1
6SL3054-3EE00-1BA0 1
6SL3055-0AA00-2TA0 1
22B-D4P0N104 1.5KW 4 面价6439
22B-D010N104 4KW 9 面价9307
6SL3040-0JA00-0AA0 2
6SE7014-0TP60-Z 1
6AV2124-0GC01-0AX0 1
6FX5002-5CN26-1BA0 3
1606-XL480EP 1 19面价9547
124-0BA00-2AB2数量1
TSXMRPC007M数量6面价16031
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