PLC frequency conversion control cabinet inside all electrical components

by:V&T Technologies     2020-03-10
PLC frequency conversion control cabinet inside what are electrical components PLC frequency conversion control cabinet generally consists of these parts: 1. PLC cabinet put oneself in another's fine workmanship of the PLC cabinet put oneself in another's position is a complete set of PLC control system of the external image, as well as economical and practical, and high grade atmosphere, more should take the reasonable structure, waterproof, dustproof component installation requirements. 2. Air switch 1) AC220V power switch, it is indispensable for each PLC control cabinet. Such as the external instrumentation, electrical equipment power supply need to send out from the PLC cabinet, the each loop single configuration should be a power switch. 2) DC24V power master switch, it is indispensable for each PLC control cabinet. Such as the external instrumentation, electrical equipment power supply need to send out from the PLC cabinet, the each loop single configuration should be a power switch. 3) Dynamic power master switch, if you have any contact in PLC control cabinet is installed, inverter and other equipment, the switch is a must. PLC frequency conversion control cabinet inside what are electrical components. 3. Collect trough collect trough for PLC wiring inside ark, hui trough specification size by cable quantity contained in the decision. 4. DC24V power supply most of the PLC built-in DC24V power supply, if need be DC24V power supply circuit is more, it must be configured individually AC220V input/output DC24V quality switching power supply module. 5. Programmable controller ( PLC) Programmable controller PLC brand usually choose according to the need of engineering, stable performance, reliable operation, high cost performance, concise and practical, easy to expand and and strong compatibility is an essential factor in selection of PLC. Also need to consider if the project is big or important occasions PLC redundancy ( Two sets of used interchangeably) 。 6. Intermediate relay PLC programmable controller in control cabinet DO output does not directly into the external control circuit, should by high-performance intermediate relay ( Such as omron brand, the coil voltage DC24V) Transit, which is beneficial to prolong the service life of PLCDO output module, and security. Intermediate relay contact number according to the need to select two normally open/closed type or four normally open/closed type intermediate relay. 7. Terminal terminal number is determined by the number of input and output circuit. 8. Signal isolator and distributor field two wire transducer signal is converted to a 4 - by distributor 20 ma signal input into the programmable controller AI; External 4 - 20mA、0- 0 - 5 v 20 ma and other signal is converted to a 4 - through signal isolator 20 ma signal input into the programmable controller AI. Using signal isolator and the distributor can improve the system anti-interference ability and system stability. PLC frequency conversion control cabinet inside what are electrical components. Security gate programmable controller output or DI AO output if need sent to the danger zone, should be equipped with corresponding safety barrier as required. 10. Other equipment PLC is often contained in the contactor, buttons, inverter, switch, touch screen man-machine interface, such as equipment, depending on the engineering technical requirements.
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