Diagnostics And Error Handling; Summary Of Diagnostics Options - Festo CPX-M-FB20 Manual

3. Diagnostics and error handling

3.1

Summary of diagnostics options

Diagnostics Brief description
option
LED display The LEDs show directly configuration
faults, hardware faults, bus faults, etc.
Diagnostics Depending on diagnostic mode (2, 3,
modes 2, 3 or 4) the diagnostic bytes can be
and 4 allocated at the beginning or end of the
input image table.
Diagnostics Diagnostic information can be shown on
via the the handheld in a user-friendly manner
1)
handheld by means of menus.
1)
Please note that during diagnostics via the handheld the allocated inputs of diagnostic
modes 2 ... 4 are not displayed.
Tab. 3/1: Diagnostics options
Festo P.BE-CPX-FB20/21-EN en 1202a
The CPX terminal provides extensive and user-friendly
possibilities for diagnostics and error handling. The following
possibilities are available depending on the configuration:
Peripheral fault (PF)
If a fault is recognized by the CPX terminal, a peripheral fault
will be triggered, transmitted to the module and displayed
there (see section 3.3.2).
Note
Note that the diagnostic information displayed can be de-
pendent on the DIL switch settings on the bus node, as
well as on the parameterisation of the CPX terminal.
Advantages Detailed
description
Fast "on-the-spot" Section 3.2
recognition of
errors
Valve diagnosis Section 3.3.1
Fast "on-the-spot" Description for the
recognition of handheld
faults
3-3