Diagnostics And Error Handling - Festo CPX-FB39 Description

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Diagnostics and error handling

4 Diagnostics and error handling
4.1 Summary of diagnostics options
The CPX terminal provides comprehensive and user-friendly options for diagnostics and error handling.
The following options are available, depending on the configuration:
Diagnostic Brief description
possibility
LED display The LEDs show directly
configuration errors, hardware
errors, bus errors, etc.
Status bits Internal inputs that supply
coded common diagnostic
messages.
I/O Bus-independent diagnostic
diagnostics interface at I/O level, which
interface enables access to the internal
data of the CPX terminal
(16 inputs and 16 outputs).
Diagnostics via Diagnostic information can be
the operator displayed on the operator unit
unit (CPX-MMI) in a convenient and
menu-driven manner.
Diagnostics Access to all system data of
via Sercos III the CPX terminal over the
network.
Tab. 4.1
Please Note
Note that the available diagnostic information is dependent on the DIL switch settings
on the bus node, (è 2.4.5 Setting of the diagnostic mode (remote I/O)) as well as on
the parameterisation of the CPX terminal.
You can find additional information on general diagnostics of the CPX terminal in the CPX
system description (è P.BE-CPX-SYS-...).
Information on diagnostics of the pneumatics, of the pneumatic interface and of the I/O
module are found in the corresponding descriptions.
Festo – P.BE-CPX-FB39-EN – 1504NH – English
Benefits
Fast "on-the-spot" error
detection
Fast access to error
messages, irrespective of
the module and master.
Detailed error recognition:
the diagnostic data can be
processed further, e.g.
with a PLC user program.
Fast "on-the-spot"
recognition of errors
Detailed error detection
Detailed
Description
Section 4.2
Section 4.3 and CPX
system description
(è P.BE-CPX-SYS-...)
Section 4.4 and CPX
system description
(è P.BE-CPX-SYS-...)
Operator unit
description
(è P.BE-CPX-MMI-1-...)
Section 4.5
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