Description
Remote control card spot power supply external, eliminate 90% fault
Prevent damage to equipment by air, dust, ultraviolet and other factors under the influence of air temperature and humidity changes. Prone to failure in the power system and communication network system, the power supply in the continuous work, heat dissipation, voltage and current fluctuations impact is inevitable. Communication and network are subject to external interference, and the external environment is one of the major factors that cause the failure of external communication equipment. At present, PLC on the market is basically a built-in power supply, and our products use external power supply, eliminate 90% of the fault.
Business PLC cost control, selection depends on I/O, I/O module is an important part of PLC. The big weak link in PLC is the I/O port. The technical advantage of PLC lies in its I/O port, in the case of the technical level of the host system difference inorganic, I/O module is the key component to reflect the performance of PLC, so it is also the outstanding link in the damage of PLC.
Special protection of communication port
RS-232 interface has low data transmission rate, limited transmission distance and poor anti-interference ability. RS-422 adopts full-duplex communication mode and differential transmission mode, which enhances its anti-common-mode interference ability. Gu Mei uses 485 ports, which can withstand higher pressure than 232 ports and are not easy to burn out.
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
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