Levelflex M FMP40 FOUNDATION Fieldbus Appendix
Endress+Hauser 117
11.6 Diagnostic Block
11.6.1 Operation
The diagnostic block contains the error messages of the device. These parameters can also be
addressed by using the VU331 display module.
The diagnostic block is opened by clicking on the "diagnostic" line. Parameter changes from the tool
are made off-line while the device is operating. The changes are downloaded by first setting
MODE_BLK = OOS then pressing the WRITE CHANGES button. Press the READ ALL button to
check the values stored in the device. In order to resume operation, change MODE_BLK to AUTO
5)
.
11.6.2 Block administration parameters
11.6.3 Methods
The FOUNDATION Fieldbus specification provides for the use of so-called methods to simplify the
operation of the device. A method is an interactive sequence of steps that must be followed in order
to obtain a particular function from the device.
The Levelflex M has got the following methods:
• Set to customer default
•Diagnostics
Most of these methods are identical to the respective function group in the operating menu.
A detailed description of them can be found in the BA00245F/00/EN "Description of Instrument
functions".
11.6.4 Device specific parameters
5) If MODE_BLK refuses to be changed to AUTO, an error is present. Control all parameters, perform the required changes and try again to change MODE_BLK
to AUTO.
Parameter Description
MODE_BLK See description in Resource block. The possible operating modes of the Sensor block are:
– AUTO: the block is operating as normal.
– OOS: the block is out of service.
TAG_DESC User description of the intended application of the block.
BLOCK_ERROR Shows the error status associated with the block components
– Out-of-Service: the block is in OOS mode.
Parameter Position
Indicator
rel.
Index
Variable Name Size
[bytes]
Type Access Storage
Class
Changeable
in Mode
present error 0A0 13 PARACTUALERROR 2 Unsigned16 RO dynamic Auto, OOS
previous error 0A1 14 PARLASTERROR 2 Unsigned16 RO non-vol. Auto, OOS
clear last error 0A2 15 PARCLEARLASTERROR 1 Unsigned8 RW dynamic Auto, OOS
reset 0A3 16 PARRESET 2 Unsigned16 RW dynamic OOS
unlock parameter 0A4 17 PAROPERATIONCODE 2 Unsigned16 RW non-vol. OOS
protocol+sw-no. 0C2 18 PARPROTSOFTVERSIONSTRING 16 VisibleString RO const Auto, OOS
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