c900773.R02_EN.pdf - 第106页
4 Electrical Section 4-36 Computer Virus Prevention and Treatment Recently, virus infection on our machin es has been increasingly reported and it is presumably due to USB mem ory device with large st orage capacity whic…
4 Electrical Section
4-35
Cautions about overall electrical items
Once rats enter facilities and production sites, they easily come into machines and they may tear wirings
and leave excrement that can cause serious damage to machines.
When rats tear wirings, it may cause short circuits and it could lead to a serious problem to machines.
If rats leave excrement over printed circuit boards or torn and bared cables, it will be carbonized and may
catch fire.
REFERENCE:
The following pictures are examples of a circuit board which caught fire.
In these pictures, the black-colored burn represents CuO (Copper II Oxide) and the red-colored burn
represents Cu2O (Copper I Oxide). Besides these, the bluish-green substance is considered Copper
Hydroxide. Based on these factors, it is presumed that the fire cause is infiltration of water.
COUNTERMEASURE:
1．Keep the facility and production line clean, neat and organized.
2．Lock up the room with no openings.
If once rats came in;
3．Sprinkle rat repellent.
4．Catch rats with adhesive sheets. (Emergency countermeasure)
5．Hire an rat exterminator.
To prevent damage caused by rats, it is important to keep rats-free environment.
When rats may have been already in the facility, exterminate them by using rat repellent or other ways as
mentioned above.
Bluish-green
substance
4 Electrical Section
4-36
Computer Virus Prevention and Treatment
Recently, virus infection on our machines has been increasingly reported and it is presumably due to USB
memory device with large storage capacity which is used for data backup and restore. It is primarily
important to prevent the machines from virus infection and, if the machines become infected, it is also
important to eliminate the virus immediately by using such tool as anti-virus software. This section
describes some examples of prevention against computer virus and treatment of the virus-infected
machines.
Computer Virus Prevention
Every machine is inspected by the latest virus checker and verified that they are not infected by virus before
shipment.
In most cases, route of virus infection is the internet. The machine has no capability to access the internet
and no possibility to be infected by virus directly through the internet. However, when any computer is
connected to the machine through LAN and it also connected to the internet, the computer may become
infected and it causes the secondary infection to the machine.
Besides this, data transfer between a virus-infected computer and the machine through USB memory
device is also one of the most possible causes.
Virus checker software cannot be installed in the machines. Followings are suggested for the prevention.
* Do not connect the machine to a computer through LAN which has an access to the internet.
* Install virus checker software into the computer which shares data with the machine.
* Frequently conduct virus scan by virus checker not only on the computer but also any other
storage device (USB memory device, etc.) which shares data with the machine.
5 Materials
5-1
5
Materials
Standard Accessories
Replacement Parts
Conveyor Belts