In order to control the system is reliable, usually Plc logic controllers installed in a protective housing of the control cabinet to prevent dust, oil, water splashing. intelligent plc In order to ensure that its temperature is kept within the specified temperature range, install the machine should have enough ventilation space, there must be more than 30 mm spacing between the base unit and expansion unit. input output module plc If the surrounding environment over 55 degrees Celsius, to install the fan, forced ventilation.
In order to avoid electrical interference with other peripherals, programmable controller should stay away from high-voltage power lines and high voltage equipment, should leave at least 200 mm of distance between the programmable controller and high-voltage equipment and power lines as possible.
没有评论:
发表评论