GE X3.28 manual Virtual Connection Configuration Table Parameters, Field Range Description

Page 26

 

Protocol X DCA

GE Energy Services

Configuration Guide

 

Field

 

 

 

Range

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Termination

 

 

Disabled

 

 

 

If ‘Disabled’ is chosen, the virtual connection will terminate only if a VC

Character

 

 

USE ESCAPE SEQUENCE

 

 

Channel Timeout occurs or if the telnet connection is dropped.

 

 

 

 

 

 

If ‘USE ESCAPE SEQUENCE’ is selected, the user should describe an

 

 

 

 

^A

(1)

 

 

 

 

 

 

 

 

escape sequence in the ‘Describe Escape Sequence’ sub-table.

 

 

 

 

 

 

 

 

 

 

 

 

^B

(2)

 

 

If a termination character is selected (^A, ^B, etc.), this indicates the

 

 

 

 

 

 

 

 

 

 

 

 

^C

(3)

 

 

character that should be detected for the virtual connection to close.

 

 

 

.

 

 

 

Note:

‘^’ means to press the CTRL key and, while holding it, press

 

 

 

.

 

 

 

the key for the specified letter.

 

 

 

 

 

 

Values in parentheses represent the ASCII value of the control

 

 

 

.

 

 

 

 

 

 

 

 

 

characters.

 

 

 

 

^Z

(26)

 

 

The default value is ^C (3).

 

 

 

 

 

 

Describe Escape

 

 

40 Characters

 

A string that will be displayed in the WESMAINT screen explaining to

Sequence

 

 

 

 

 

 

the user how to enter the escape sequence.

 

 

 

 

 

 

Esc Seq

 

 

0..FF (Hex value)

 

Virtual Terminal Escape Sequence. A table with 16 hexadecimal entry

 

 

 

 

 

 

 

 

values that describe the escape sequence. The hexadecimal ASCII value

 

 

 

 

 

 

 

 

of each character of the desired escape sequence should be entered on

 

 

 

 

 

 

 

 

each field. The unused fields should be set to zero.

 

 

 

 

 

 

 

 

If any value other than ‘USE ESCAPE SEQUENCE’ is selected in the

 

 

 

 

 

 

 

 

Termination Character field, this table will be ignored.

 

 

 

 

 

 

 

Pre/Post Esc. Seq.

 

1..300

 

 

 

Time (in seconds) that must elapse before the escape sequence can be

Timer

 

 

 

 

 

 

accepted, and the time that must elapse after the correct escape sequence

 

 

 

 

 

 

 

 

is received, without any characters being received so that it is accepted.

 

 

 

 

 

 

 

 

The default value is 2 seconds.

 

 

 

 

 

 

VT Connection

 

0 .. 65535

 

 

Time (in seconds) that must elapse, with no activity, for the virtual

Timeout

 

 

 

 

 

 

connection to time out. If a timeout occurs, the virtual channel is

 

 

 

 

 

 

 

 

automatically closed. This feature is disabled if the field is set to zero.

 

 

 

 

 

 

 

 

The default value is 0 (timeout disabled).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 11 Virtual Connection Configuration Table Parameters

A197-0CG-1.00-2Restricted

16

Full

 

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Contents Configuration Guide Allen-Bradley Ansi X3.28 DCATrademark Notices Table of Contents Configuring WIN for the Ansi X3.28 DCA Appendix a Messages Logged by the Ansi X3.28 DCAList of Figures System OverviewList of Tables Who should use this Guide About this GuideAbout this Guide Additional Documentation Overview Product PerspectiveSystem Overview Ansi X3.28 DCA Configuration Tables Configuring TablesAnsi X3.28 DCA Configuration Tables Table Name DescriptionConfiguration Sequence Name Range Description Configuring the Main Application Table A197MAINMain Application Configuration Table Parameters Protocol X DCA Configuring Communication Port Table A197COM Communication Port Configuration Table ParametersProtocol X DCA Character Times Baud Rate One Character Time msProtocol X DCA Configuring the SRU Table A197SRU SRU Configuration Table ParametersProtocol X DCA Configuring the Partition Definition Table A197PAR Partition Definition Table ParametersType Start Address word address Num. Words Word Address System Parameter UnitConfiguring System Parameters Table A197SYS System Parameters Table ParametersAddress System Parameter Unit Value Default Coupler for Allen-Bradley Data Highway System ParametersConfiguring the Virtual Connection Table A197VC Virtual Connection Configuration Table Parameters Field Range DescriptionConfiguring WIN for the Ansi X3.28 DCA Wesdac Point AllocationProtocol X DCA Appendix a Messages Logged by the Ansi X3.28 DCA A197F001 Unable to locate table tablename Fatal Error MessagesF004 COM rec x, Interchar Timeout must be less than Rx Time F002 A197SRU rec x, duplicate SRU address yF100 Future expansion points not Nullptr F005 A197PAR rec x and y, Partitions overlapF006 A197COM rec x, Only one SRU allowed in Full-Duplex F101 Unable to find table tablenameF104 Unable to spawn process, processname F102 Unable to open a channel to WINF103 Unable to create an exchange, name, status=y F105 Not enough memoryWesdac Point Types F107 Unable to get pointer table nameF108 Not enoughx points, y required F109 User data memory overflowF202 Unable to spawn process F200 Unable to get pointer to COM config record =F201 Unable to create exchange, exchage, status=x F203 L062COMEXTENSIONS should be initializedE102 Not enough memory Non-Fatal Error MessagesE101 Restart failed for processname E110 Unable to open comport, status =E201 Com initialization failed, status = comport E112 comport unable to set timers, status =E111 comport unable to set parameters, status = E204 a child process has died, suspending E205 Encountered error = x while closing comportE202 Not enough memory Information Messages I101 Unable to find table A197MAIN, deletingControl Request Return Codes

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