4 diagnostic memory – Festo Электромотор MTR-DCI User Manual
Page 184
6. Diagnostics and fault display
6-12
Festo P.BE-MTR-DCI-PB-EN en 1209a
6.4
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)
200
201
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)
(see section B.1.8)
Tab. 6/9: Diagnostic memory: structure
Configuration of the diagnostic memory with parameter 204 (see section B.1.8)
SI
Description
Specifi-
cation
Min.
Max.
1
= 1: Record incoming and outgoing
*)
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
*) Outgoing fault = time when the fault was acknowledged (= reset).
Tab. 6/10: Diagnostic memory: configuration