Omron NS12 Quick Start Manual page 44

OMRON
PLC
protocol
PT
Serial Communication
System data
word
Page 44
Indicates any Programmable Logic Controller.
The parameters and procedures that are standardized to enable two
devices to communicate or to enable a programmer or operator to
communicate with a device.
In this manual, indicates an NS-series Programmable Terminal.
Indicates the industry standard RS-232C or RS-422/485
communication method.
Indicates the data what is part of the PT's operating system. The
Systems Data can be update only from the CF card.
A unit of data storage in memory that consists of 16 bits. All data areas
consist of words. Some data areas can be accessed only by words;
others, by either words or bits.
NS Series Quick Start Manual