Festo CMMO-ST-C5-1-LKP, Original Instructions Manual

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7 Diagnostics
78 Festo – GDCP-CMMO-ST-LK-C-HP-EN – 2017-05b – English
7.1.3 Diagnostic memory
The motor controller has a permanent diagnostic memory for logging diagnostic messages. The dia­
gnostic memory is designed as a ring memory with a capacity of 200 diagnostic messages.
The following information is included in the diagnostic messages of the diagnostic memory:
Information PNU Description
Counter
(Counter)
–
1)
Counter number of the diagnostic message
Type
(Type)
200 Classification of the diagnostic message
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Tab. 7.1
Number
(No.)
201 Hexadecimal number of the message (0x = hex prefix)
è
7.2.2
Message
(Message)
–
1)
Brief description of the diagnostic message
Timestamp
(Timestamp)
202 Time of the diagnostic message in the form "HH.MM.SS:nnn
(HH = hours, MM = minutes, SS = seconds, nnn = milliseconds).
Time base is the respective switch-on time of the motor controller.
Additional
information
(Additional Info)
203 Additional information for Festo Service in case of complex faults
1) Not available via FHPP
Tab. 7.5 Structure of diagnostic messages
The diagnostic messages are written one after the other in the diagnostic memory. The entry is optional
for parameterisable diagnostic messages
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7.2.2. If the diagnostic message has reached the maxi­
mum capacity, the oldest diagnostic message is overwritten by the newest one.
Structure of the diagnostic memory in the FHPP
PNU
1)
200 201 202 203
Content Diagnostic event Diagnostic number Timestamp Additional
information
Format uint8 uint16 uint32 uint32
Subindex 1 Newest saved diagnostic message
Subindex 2 2nd saved diagnostic message
Subindex ... ...
Subindex 200 200th saved diagnostic message
1)
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B.4.5
Tab. 7.6 Components of the diagnostic memory in PNU 200 ... 203
The diagnostic memory can be deleted as needed with web server, FCT or FHPP (PNU
204.3). During deletion, the switch-on event 3Dh (start-up event) is generated and
entered in the diagnostic memory. The counter is not reset.