Calling Up Remedy Information; Diagnostic Information Via Communication; Interface; Reading Out Diagnostic Information - Endress+Hauser SpectraSensors J22 TDLAS Operating Instructions Manual

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Diagnostic Informa-
tion via Communica-
tion Interface
116
Symbol
Failure
A device error has occurred. The measured value is no longer valid.
Function check
The device is in service mode (e.g., during a simulation).
Out of specification
The device is operated:
Outside its technical specification limits (e.g., outside the process tem-
perature range)
Maintenance required
Maintenance is required. The measured value is still valid.
The status signals are categorized in accordance with VDI/VDE 2650 and
NAMUR Recommendation NE 107.

Calling up remedy information

Remedy information is provided for every diagnostic event to ensure that
problems can be rectified quickly. These measures are displayed in red along with
the diagnostic event and the related diagnostic information.

Reading out diagnostic information

Diagnostic information can be read out via Modbus RS485 register addresses.
• Via register address 6820 (data type = string): diagnosis code, e.g., F270
• Via register address 6800 (data type = integer): diagnosis number, e.g., 270
For an overview of diagnostic events with diagnosis number and diagnosis code
→  117

Configuring error response mode

The error response mode for Modbus RS485 communication can be configured in
the Communication submenu using 2 parameters.
Navigation
Setup → Communication
J22 TDLAS Gas Analyzer
Meaning
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