Overview Of Diagnostic Functions; Diagnostics - Festo CPX-FB33 Manual

3. Diagnostics

3.1

Overview of Diagnostic Functions

Diagnostic Brief description
function
LED display Status LEDs, for display of
hardware errors, configura-
tion errors, bus errors, etc.
Status bits Internal inputs, which supply
coded common diagnostic
messages: 8 status bits are
cyclically transmitted to the
interface as "inputs" along
with all other inputs
I/O diagnostics Bus-independent diagnostic
interface interface at I/O level, which
enables access to the internal
data of the CPX terminal (16 I
and 16 O)
Tab. 3/1: Overview of the diagnostic options of the CPX terminal – Part 1
Festo P.BE-CPX-PNIO-EN en 1407c English
The CPX terminal provides comprehensive and user-friendly
options for diagnostics and error handling. Depending on the
configuration, the following functions are available as part of
PROFINET:
Benefits
Fast "on-site" error detec-
tion
Fast access to fault mes-
sages in the PLC user pro-
gram, independently of
the module and IO-Con-
troller
Read access to internal
parameters and data at
I/O level
Detailed de-
scription
Section 3.2
Section 3.3
CPX system de-
scription, section
on diagnostics and
error elimination
(P.BE-CPX-SYS...),
notes in section
3.4 (P.BE-CPX-
PNIO...)
3-3