Siemens SIMATIC Distributed I/O System DP/ASi Link Specifiche Pagina 125

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Commissioning and Diagnostics
6-17
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
6.4.1 Structure of the Slave Diagnosis
Notes on Enhanced Diagnosis
To use channel-specific diagnosis, you must enable the diagnostic interrupt in each
I/O module using parameter assignment.
When you parameterize the IM 153-x, you can enable or disable the diagnostic,
process and insert/remove module interrupts regardless of whether or not the
enhanced diagnosis is enabled.
Using the DPV1 parameters (as of device master file rev. 3) you can disable and
enable the individual blocks of the enhanced diagnosis. Disabled diagnoses are
removed from the diagnostic frame.
Important: If you have enabled enhanced diagnosis during parameter assignment
and do not enable diagnostic interrupts for a module until the ET 200M is in
operation, a channel fault will not be entered in the diagnostic frame immediately.
Not until the first diagnostic interrupt of the module is triggered after being enabled
will a channel fault be entered in the diagnostic frame.
To delete channel faults from the diagnostic frame, you must disable enhanced
diagnosis.
With IM 153-2Bx00
With the IM 153-2Bx00, the enhanced diagnosis is available by default in
DPV0/DPV1 mode. It can be deselected (disabled) in blocks during
parameterization.
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