Overview Of Online Diagnostics; Xdiag Parameter - Siemens SIPART PS2 Series Operating Instructions Manual

Refer to the corresponding parameter descriptions for additional information about parameters
1)
11.3.2

Overview of online diagnostics

Online diagnostics means diagnostics during ongoing operation. During operation of the
positioner, a few important values and parameters are continually monitored. In configuration
mode, you can configure that monitoring so that the fault message output will be activated if, for
instance, a limit is exceeded.
Information about what events can activate the fault message output can be found in the table
in section "Overview of error codes (Page 229)".
This section contains particular information about the following situations:
● Possible causes of the fault message.
● Events which activate the fault message output or alarm outputs.
● Settings of parameters needed for event monitoring.
● Cancelling an error message
When the fault message output is triggered in "Automatic" or "Manual" mode, the display shows
which fault triggered the message. The two digits on the lower left show the corresponding error
code. If multiple triggers occur at the same time, they are displayed one after the other
cyclically. The device status, including all fault messages, can be called up using command
"#48" over HART.
See also
'52.XDIAG' Activating for extended diagnostics (Page 162)
Advanced diagnostic parameters A to U (Page 163)
11.3.3

XDIAG parameter

You can use the extended diagnostics parameters to display error messages in one, two or
three stages. In addition to the fault message output, the digital outputs A1 and A2 are then
used. For this purpose, set the "XDIAG" parameter as described in the following table:
XDIAG settings
OFF
On1
On2
On3
Possible parameter setting 'XDIAG'
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
Message due to
Extended diagnostics not activated
Fault message output for threshold 3 error message (maintenance alarm, single-stage)
Fault message output for threshold 3 error messages and digital output A2 for threshold 2
error messages (maintenance demanded, two-stage)
Fault message output for threshold 3 error messages, digital output A2 for threshold 2 error
messages and digital output A1 for threshold 1 error messages (maintenance required,
three-stage)
Diagnostics and troubleshooting
11.3 Online diagnostics
231