4 FUNCTIONS
4.2 PROFIBUS-DPV0
25
4
Acquisition of diagnostic information and extended diagnostic
information
This function enables acquisition of diagnostic information and extended diagnostic information generated at DP-Slaves
during data exchange by using the buffer memory.
An error causes in the DP-Slaves can be checked with the diagnostic information and extended diagnostic information on the
FX5-DP-M.
Procedure for acquisition of diagnostic information/extended diagnostic information
The procedure for acquisition of diagnostic information and extended diagnostic information is as follows.
1.
Check if diagnostic information is generated.
• BF LED turns on.
• 'Diagnostic information detection signal' (Un\G0.b1) turns on.
2.
Check which DP-Slave sent the diagnostic information.
(
Page 25 How to check DP-Slaves with communications errors)
3.
Acquire the diagnostic information sent from the DP-Slave from the buffer memory of the FX5-DP-M.
(
Page 25 Acquisition of diagnostic information)
4.
Check whether that occurrence of extended diagnostic information has been notified from DP-Slave.
(
Page 26 How to check if extended diagnostic occurs)
5.
If the DP-Slave has extended diagnostic information stored in it, acquire the information from the DP-Slave.
(
Page 26 Acquisition of extended diagnostic information from DP-Slaves)
6.
Check the diagnostic information and extended diagnostic information for the error cause and take necessary action.
How to check DP-Slaves with communications errors
Diagnostic information detection status of DP-Slaves is stored in 'Slave status area (Diagnostic information detection)'
(Un\G23056 to Un\G23060).
For stations that sent diagnostic information, the relevant bit of 'Each station's diagnostic status' (Un\G23057 to Un\G23060)
is turned on.
Acquisition of diagnostic information
Acquire diagnostic information of DP-Slaves from the following buffer memory area. (
Page 144 Diagnostic information
area)
• 'Diagnostic information area' (Un\G23072 to Un\G23199)
(1) DP-Slave
Communications error occurs
The DP-Slave notifies the FX5-DP-M of diagnostic information.
Extended communications error occurs
The DP-Slave notifies the FX5-DP-M of extended diagnostic information.
(1)
(1)
(1)
FX5-DP-M
Summary of Contents for FX5-DP-M
Page 1: ...MELSEC iQ F FX5 User s Manual PROFIBUS ...
Page 2: ......
Page 9: ...7 MEMO ...
Page 12: ...10 INDEX 168 REVISIONS 170 WARRANTY 171 TRADEMARKS 172 ...
Page 13: ...11 CONTENTS ...
Page 19: ...1 DESCRIPTION 17 1 MEMO ...
Page 100: ...98 9 PROGRAMMING 9 2 DP Master settings DP Slave FDL address 2 ...
Page 101: ...9 PROGRAMMING 9 2 DP Master settings 99 9 DP Slave FDL address 3 ...
Page 108: ...106 9 PROGRAMMING 9 8 Program Example of the Global Control Function ...
Page 109: ...9 PROGRAMMING 9 8 Program Example of the Global Control Function 107 9 ...
Page 110: ...108 9 PROGRAMMING 9 8 Program Example of the Global Control Function ...
Page 112: ...110 9 PROGRAMMING 9 9 Program Example of Acyclic Communication Acyclic Communication ...
Page 114: ...112 9 PROGRAMMING 9 10 Program Example of the Alarm Acquisition Function ...
Page 169: ...APPX Appendix 4 Processing Time 167 A MEMO ...
Page 175: ......