VPL-A0631E-PJ12AS A-B Servo Controller
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IN STOCKVPL-A0631E-PJ12AS A-B Servo Controller
Loss of Power Source The power supply is designed to withstand brief power losses without affecting the operation of the system. The time that the system is operational during power loss is called program scan hold-up time after loss of power. The duration of the power supply hold-up time depends on the type and state of the I/O, but is typically between 10 milliseconds and 3 seconds. When the duration of power loss reaches this limit, the power supply signals the processor that it can no longer provide adequate DC power to the system. This is referred to as a power supply shutdown. The processor then performs an orderly shutdown of the controller.
Input States on Power Down The power supply hold-up time that is described previously is longer than the turn-on and turn-off times of the inputs. Because of this, the input state change from On to Off that occurs when power is removed could be recorded by the processor before the power supply shuts down the system. Understanding this concept is important. The user program should be written to take this effect into account.
Other Types of Line Conditions Occasionally the power source to the system can be temporarily interrupted. It is also possible that the voltage level drops substantially below the normal line voltage range for a period of time. Both of these conditions are considered to be a loss of power for the system. Help Prevent Excessive Heat For most applications, normal convective cooling keeps the controller within the specified operating range. Confirm that the specified temperature range is maintained. Proper spacing of components within an enclosure is usually sufficient for heat dissipation.
The structure and details of the product：
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