3G5A2-RPT01-PE datasheet(167/182 Pages) OMRON

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Glossary

155

DM Area. Area addresses are prefixes with E and only words can be accessed.

The EM Area is separated into multiple banks.

EM card

A card mounted inside certain PCs to added an EM Area.

EPROM

Erasable programmable read-only memory; a type of ROM in which stored data

can be erased, by ultraviolet light or other means, and reprogrammed.

error code

A numeric code generated to indicate that an error exists, and something about

the nature of the error. Some error codes are generated by the system; others

are defined in the program by the operator.

event processing

Processing that is performed in response to an event, e.g., an interrupt signal.

Expansion CPU Backplane

A Backplane used to create an Expansion CPU Rack.

Expansion CPU Rack

A Rack connected to the CPU Rack to increase the virtual size of the CPU Rack.

Units that may be mounted to the CPU Backplane may also be mounted to the

Expansion CPU Backplane.

Expansion Data Memory Unit A card mounted inside certain PCs to added an EM Area.

Expansion I/O Backplane

A Backplane used to create an Expansion I/O Rack.

Expansion I/O Rack

A Rack used to increase the I/O capacity of a PC. In CV-Series PC, either one

Expansion I/O Rack can be connected directly to the CPU or Expansion CPU

Rack or multiple Expansion I/O Racks can be connected by using an I/O Control

and I/O Interface Units.

Factory automation.

factory computer

A general-purpose computer, usually quite similar to a business computer, that

is used in automated factory control.

fatal error

An error that stops PC operation and requires correction before operation can

continue.

FINS

See

CV-mode.

flag

A dedicated bit in memory that is set by the system to indicate some type of oper-

ating status. Some flags, such as the carry flag, can also be set by the operator

or via the program.

force reset

The process of forcibly turning OFF a bit via a programming device. Bits are usu-

ally turned OFF as a result of program execution.

force set

The process of forcibly turning ON a bit via a programming device. Bits are usu-

ally turned ON as a result of program execution.

frame checksum

The results of exclusive ORing all data within a specified calculation range. The

frame checksum can be calculated on both the sending and receiving end of a

data transfer to confirm that data was transmitted correctly.

GPC

An acronym for Graphic Programming Console.

Graphic Programming Console

A programming device with advanced programming and debugging capabilities

to facilitate PC operation. A Graphic Programming Console is provided with a

3G5A2-RPT01-PE Datasheet(PDF) 167 Page - Omron Electronics LLC

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