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6
Diagnostics
124
Festo – GDCP-CMMO-ST-EA-SY-EN – 2017-05c – English
6.2
Diagnostic memory
The motor controller has a non-volatile diagnostic memory for the recording of diagnostic messages.
The diagnosis memory is designed as a ring memory with a capacity of 200 diagnostic messages. The
relevant diagnostic messages are written consecutively to the diagnosis memory. Whenever the dia
gnostic memory is full, the oldest diagnostic message will be overwritten when a new diagnostic mes
sage arrives. The diagnostic message that gets logged can be defined by the FCT error management
function
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FCT [...][Controller][Error Management].
Access to the diagnostic memory
– Interrogate, display, delete or export diagnostic memory
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FCT online tab “Diagnosis”
– Interrogate and display diagnostic memory
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“Diagnosis” memory: “Diagnostic Memory”
The most recent diagnostic message is displayed in the top row.
Deleting the diagnostic memory
The diagnostic memory can also be cleared using FCT. When deleting, a “Start-up event” (message
3Dh) is generated and is logged in the diagnostic memory. The counter is not reset.
Information
Description
Counter
(Counter)
Counter number of diagnostic message. The most recent message
(top) has the highest number.
Type
(Type)
Classification of the diagnostic message (
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number
(No.)
Hexadecimal number of the message (0x = hex prefix).
Message
(Message)
Brief description of the diagnostic message
Timestamp
(Timestamp)
Time of the fault in the format "HH.MM.SS:nnn (HH = hours,
MM = minutes, SS = seconds, nnn = milliseconds).
The time base is the respective switch-on time of the motor
controller.
Additional info
(Additional Info)
Additional information for Festo Service in respect of complex
malfunctions
Tab. 6.2
Displays in the diagnostic memory