Industrial tablet--What should I do if the power supply of the external USB device is insufficient? How to deal with it?
USB is an external bus standard used to regulate the connection and communication between industrial computers and external devices. Generally speaking, when the external device of the industrial flat-panel machine is connected with the universal serial bus interface of the industrial flat-panel machine, it can be automatically recognized by the industrial flat-panel machine and work normally. However, after some universal serial bus devices are connected to the industrial panel-body computer, there are occasional failures. What should I do if the power supply of the USB device is insufficient? How to deal with it?
External power supply method of industrial tablet all-in-one machine
For example, the working current of some extremely fast mobile hard disks in the industrial tablet all-in-one machine has sometimes reached the 1A standard, and its power has exceeded twice the normal power. A separate external power supply must be provided to ensure the stability of the USB device and operating system.
Interface replacement method of industrial tablet all-in-one machine
Now, Universal Serial Bus device manufacturers usually provide several different connection interfaces for Universal Serial Bus devices. Once the device cannot get enough power from the USB interface, it can also use other low-power interfaces to connect, so as to ensure the normal use of the USB device.
Power reduction method of industrial flat panel integrated machine
Under normal circumstances, the power supply of each USB interface of the industrial computer is 0.5A. If the rated current of the USB device exceeds this standard during normal operation, the industrial computer cannot accurately identify the USB device. At this time, the most feasible method is to choose a low-power USB device or an independently powered USB device to ensure the normal operation of the USB device.
