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4
Overview
Section 1-1
Note Since the C200HX/HG/HE PCs do not support the CMND instructions, arbi-
trary commands cannot be issued.
RAS
RAS performs real-time monitoring of the network status. If an error occurs in
the network, RAS records and displays the time and contents of the error.
Status Area
Data Link Status Area
When the data link function is used, the data link status is reflected in the data
link status area of the PC.
Network Status Area Other than the Data Link:
The network status such as the state of node participation is reflected in the
status area of the PC.
Error Log
The error log function records contents (codes) and times of errors that occur
in the network into the RAM or EEPROM, up to the maximum of 39 errors.
The recorded errors can be read using the Controller Link Support Software
or the message service function.
1-1-2
Features
The Controller Link Network has the following features to meet the various
requirements of FA sites.
Data Links
Flexible and efficient data links can be created for large capacities of data as
listed below.
Data links can be automatically set, or they can be set by the user to freely
change the sizes of the data areas used. A data link can also be created so
that one node receives only part of the data sent from another node. This
Controller Link Unit
CPU Unit
Status Area
•
Data link status
•
Status other than the data link
CPU Unit
Controller Link Unit
Controller Link Unit
Controller Link Unit
Controller Link Unit
Controller Link Unit
CS-series
CPU Unit
Error log table
C200HX/HG/
HE CPU Unit
CVM1, CV-
series CPU
Unit
CJ-series
CPU Unit
Item
Specifications
Number of send words
per node
1,000 max.
Number of send and
receive words per node
Controller Link Support Board: 32,000 max.
C200HX/HE/HG, CVM1, CV-series, and CQM1H-series PCs: 8,000 max.
CS/CJ-series PCs: 12,000 max.
IBM PC/AT or compatible: 32,000 max. (PCI or ISA Board)
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