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Chapter 11 Diagnosis
11-9
11.3.4 Two response frame are dealt with as unknown when executing frame monitor
Phenomenon
Reason
Trouble shooting
Two response frame are dealt with as unknown when executing frame
monitor
Communication
type in XG5000 is
set as RS-422 but
output wiring
method is RS-485
Change
communication
type in XG5000 or
wiring method
11.3.5 Unavailable to execute individual reset
Phenomenon
Reason
Trouble shooting
Unavailable to execute individual
reset
OS version Cnet I/F module
is less than 2.0
Upgrade version of Cnet I/F module more
than 2.0
11.3.6 Unable to analyze TRX frame
Phenomenon
Reason
Trouble shooting
Unable to analyze TRX frame
More than one server sends
frame
1. Execute 1:1 communication with server
and check if it works properly.
2. Take interlock for servers not to sends
frame simultaneously.
In case parity bit setting is not
coincident
Set the parity bit to be same each other
In case stop bit setting is not
coincident
Set the stop bit to be same each other
In case communication
speed setting is not
coincident
Set the communication speed to be same
each other
In case of multi drop,
terminal resistance is not
installed
Install terminal resistance
11.3.7 Unable to know which one is reason of error, client or server
Phenomenon
Reason
Trouble shooting
Unable to know which one is reason
of error, client or server
-
1. Check Cnet I/F module
- Check module’s equipment status
- Check wiring
2. Execute Loop Back test
3. Check CPU status
Summary of Contents for XGL-C22A
Page 172: ...Chapter 8 Modbus Communication 8 23 ...
Page 246: ...Chapter 10 Program Examples 10 40 XG 5000 program Sequence Program 1 2 3 4 ...
Page 247: ...Chapter 10 Program Examples 10 41 Sequence Program 5 6 ...
Page 289: ...Appendix A 23 Sub procedure module When port open event occurs perform the next module ...
Page 291: ...Appendix A 25 The lower code shows BCC check setting ...