2 diagnostic memory – Festo Электромотор MTR-DCI User Manual

Page 203

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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

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