Glossary
N
Network
Link between programming devices and programmable controllers by means of interface modules, physical cables, and the corresponding software to allow data exchange between the devices.
O
Operating System
Collective term for all functions which, in conjunction with the hardware, control and monitor execution of the user programs, the distribution of resources among the individual user programs, and the maintenance of the operating mode (for example, Windows 98,
P
Parallel Interface
Information is transmitted byte for byte via a parallel interface (port). This means that the transmission rate is very fast. The programming devices have one parallel interface (LPT1).
Password
Unique sequence of characters that is entered for user identification. See Access Protection.
PC
Personal computer
