MPM-A2154E-SJ72AA
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MPMA-ACBJ2F6A0-S1C
In the control system, the power supply plays a very important role by using the power supply with good perbance to restrain the interference from the power grid. Power supply of PLC system, such as CPU power supply, I / O Power Supply, transmitter power supply and instrument power supply with direct electrical connection with PLC system are used in the system. Now, for power supply of PLC system, the power supply with good isolation perbance is generally used, but for power supply of transmitter and instrument with direct electric connection of PLC system, insufficient attention has been paid to it, although some isolation measures have been taken, they are generally not enough, mainly due to the large distribution beters of isolation transbers, poor ability of interference suppression, and the series of common-mode interference and differential-mode interference by power coupling. So, for Transmitter and common signal instrument power supply should choose small distributed capacitance, suppression band (such as: Use Beijing Pinghe company isolated distribution, can reduce PLC system interference. In addition, bits ensure that the power grid feed point is not interrupted, can use on-line uninterruptible power supply (UPS) power supply, improve the security and reliability of power supply. And UPS also has strong interference isolation perbance, is an ideal power supply for PLC control system. 3.2 cable laying, in order to reduce power cable radiation electromagnetic interference, especially frequency conversion device feed cable. In a project, the copper tape armored shielded power cable is used to reduce the electromagnetic interference in power line production. The project has achieved satisfactory results. Different types of signals and control cables are transmitted by different cables. The signal cables should be arranged in layers according to the type of transmission signals and the power cables. It is strictly forbidden to use different conductors of the same cable to transmit power supply and signals at the same time. In addition to the signal cable and control cable should be shielded cable
MPMA-ACBJ2F6A0-S1C
VPL-B0633M-CJ14AA
手 機(jī)：18106937709（微信同號(hào)）
QQ: 3007272972
VPL-B0633M-CJ12AA
VPL-B0632T-PK14AA
VPL-B0632T-PK12AA
VPL-B0632T-PJ14AA
VPL-B0632T-PJ12AA
VPL-B0632T-CK12AA
VPL-B0632T-CJ14AA
VPL-B0632T-CJ12AA
VPL-B0632F-PK14AA
VPL-B0632F-PK12AA
VPL-B0632F-PJ14AA
VPL-B0632F-PJ12AA
VPL-B0632F-CK12AA
VPL-B0632F-CJ14AA
VPL-B0632F-CJ12AA
VPL-B0631U-PK14AA
VPL-B0631U-PK12AA
VPL-B0631U-PJ14AA
VPL-B0751M-CJ12AS
VPL-B0633T-PK14AA
VPL-B0633T-PK12AA
VPL-B0633T-PJ14AA
VPL-B0633T-PJ12AA
VPL-B0633T-CK12AS
VPL-B0633T-CK12AA
MPM-A2154E-SJ72AA
MPM-A2154E-SJ72AA
