Festo Электромотор MTR-DCI - Manual (Page 203)

6. Diagnosis and error display
6-13
Festo P.BE-MTR-DCI-DN-EN en 1209a
6.4.2 Diagnostic memory
The diagnostic memory contains the last 16 diagnostic mess-
ages. It is secured if possible in the event of power failure.
If it is full, the oldest element will be overwritten (circular
buffer).
Structure of the diagnostic memory
Parameter 1) PNU 200 PNU 201 PNU 202
Format uint8 uint16 uint32
Meaning Diagnosis event Fault number Time
Subindex 1 Current diagnostic message
Subindex 2 Previous diagnostic message
... ...
Subindex 16 Oldest diagnostic message
1) Access via Explicit Messaging see Tab. 6/8
Tab. 6/9: Diagnostic memory: Structure
Configuration of the diagnostic memory (PNU 204)
SI Description Specifi-
cation Min. Max.
1 = 1: Record incoming and outgoing 2) faults
= 2: Record only incoming faults
1 1 2
2 = 1: Time stamp resolution 10 ms
= 2: Time stamp resolution 1 ms 1 1 2
3 Deleting the diagnostic memory.
– Writing with value = 1 deletes the diagnostic memory
– Read will always be answered with value = 0.
0 0 1
4 Number of valid entries in the diagnostic memory. 0 0 16
1) Access via Explicit Messaging see Tab. 6/8
2) Outgoing fault = time when the fault was acknowledged.
Tab. 6/10: Diagnostic memory: configuration