Stratos Multi E401N
129
7.2 Diagnostic Functions
The diagnostic functions are matched to NAMUR recommendation NE 107.
7.2.1 Overview of Diagnostic Functions
In diagnostics mode, you can access the following submenus without interrupting the measurement:
Submenus Description
Message List
Displays currently active messages in plain text. ➜ Messages, p. 129
Logbook Shows the last 100 events with date and time, e.g., calibrations, warning and failure
messages, power failure, etc. With TAN option FW-E104, at least 20,000 entries can be
recorded on a memory card (Data Card). ➜
Logbook, p. 129
Device Information Displays device information: Device type, serial number, hardware/firmware version
➜
Device Information, p. 130
HART Information With enabled HART function (TAN option FW-E050)
➜
HART Communication (TAN Option FW-E050), p. 97
Measurement Recorder With enabled measurement recorder (TAN option FW-E103): Graphical display of
recorded measured values ➜
Measurement Recorder (FW-E103), p. 211
Device Test
Display device diagnostics, perform a display or keypad test ➜ Device Test, p. 131
Meas. Point Description
Display tag number and notes. ➜ Measuring Point Description, p. 131
[I] [II] [Sensor] Depending on sensor type, e.g., sensor information, sensor monitor, sensor diagram,
calibration/adjustment record ➜
Channel I/II Diagnostic Functions, p. 131
7.2.2 Messages
All values determined by the measuring module or sensor can generate messages.
Configuring Messages
Process variable limits for the monitoring range can be selected in the Messages submenu:
Menu Selection
Parameter Setting
[I] [II] [Sensor]
Messages
Messages [Process Variable]
Monitoring
• Max. Device Limits: Messages are generated when the process variable is outside the measuring
range. The “failure” or “out of specification” icons are shown; the corresponding relay contact is
enabled. The current outputs can signal a 22-mA message (user-defined).
• Variable Limits: Upper and lower limits at which a message is generated can be defined for the
“failure” and “out of specification” messages.
Displaying Messages
Go to the Diagnostics menu if the “failure”, “maintenance required”, or “out of specification” icons are
flashing on the display.
Menu Selection
Diagnostics
Message List
All active messages are displayed in the “Message List” menu item with the following information:
Error number, type (failure, maintenance required, out of specification), channel, message text.
You can scroll forward and backward using the up/down arrow keys.
The error message disappears from the display around 2 s after the error is cleared.
An overview of message texts with notes on troubleshooting can be found in the “Troubleshooting”
chapter. ➜
Malfunction States, p. 136
7.2.3 Logbook
The logbook shows the last 100 events with message number, date, and time directly on the device,
e.g., calibrations, NAMUR messages, power failure. Messages that occur during the function check
(HOLD) operating state are not saved.
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