C500-CN422 Omron, C500-CN422 Datasheet - Page 130
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C500-CN422
Manufacturer Part Number
C500-CN422
Description
TEACH BOX I/F CBL FOR NC
Manufacturer
Omron
Datasheet
1.3G2A5-COV11.pdf
(140 pages)
Specifications of C500-CN422
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Backplane
back-up
bit
central processing unit
communication cable
Control System
CPU
CPU Backplane
CPU Rack
data area
data link
distributed control
Duplex System
Duplex Unit
EEPROM
A base to which Units are mounted to form a Rack. Backplanes provide a series
of connectors for these Units along with wiring to connect them to the CPU and
Power Supply. Backplanes also provide connectors used to connect them to
other Backplanes. In some Systems, different Backplanes are used for different
Racks; in other Systems, Racks differ only by the Units mounted to them.
A copy of existing data which is valuable if data is accidentally erased.
The smallest piece of information that can be represented on a computer. A bit
has the value of either zero or one, corresponding to the electrical signals ON
and OFF. A bit is one binary digit.
A device that is capable of storing a program and data, and executing the set of
instructions contained in the program. In a PC System, the central processing
unit executes the program, processes I/O signals, communicates with external
devices, etc.
Cable used to transfer data between components of a control system and con-
forming to the RS-232C or RS-422 standards.
All of the hardware and software components used to control other devices. A
Control System includes the PC System, the PC programs, and all I/O devices
that are used to control or obtain feedback from the controlled system.
An acronym for central processing unit.
A Backplane used to create a CPU Rack.
Part of a Rack PC, the CPU Rack contains the CPU, a Power Supply, and other
Units.
An area in the PC’s memory that is designed to hold a specific type of data, e.g.,
the LR area is designed to hold common data in a PC Link System.
Allows for the connection of up to 32 PCs in a Net Link System where each is
contributing information to a common memory area. Data links may be estab-
lished in the LR and/or DM memory areas.
An automation concept in which control of each portion of an automated system
is located near the devices actually being controlled, i.e., control is decentralized
and “distributed” over the system. Distributed control is a concept basic to PC
Systems.
A C2000H PC that operates using two CPUs mounted to the CPU Rack. One
CPU controls the system while the other CPU assumes a standby status.
A Unit in the C2000H Duplex System that switches control between the two
CPUs.
[E(lectrically) E(rasable) P(rogrammable) R(ead) O(nly) M(emory)] A type of
ROM in which stored data can be erased and reprogrammed. This is accom-
plished using a special control lead connected to the EEPROM chip and can be
done without having to remove the EEPROM chip from the device in which it is
mounted.
Glossary
117
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