SMAR TP302, Owner'S Operation And Maintenance Manual, Page: 26 / 54

TP302 – Operation, Maintenance and Instructions Manual
3.6
NOTE
Trim mode exit via local adjustment occurs automatically should the magnetic tool not be used during some
seconds. Keep in that even when parameters LOWER or UPPER already present the desired value, they must
be actuated so that calibration is performed.
NOTE
Codes for XD_ERROR:
16: Default Value Set
22: Out of Range
26: Invalid Calibration Request
27: Excessive Correction
Display Transducer Block
The local adjustment tree is completely configured by Syscon. It means the user can select the best
options to fit his application. From factory, the equipment is configured with the options to set the
upper and lower trim, for monitoring the input transducer output and check the tag. Normally, the
transmitter is much better configured by Syscon, but the local functionality of the local indicator
permits an easy and fast action on certain parameters, since it does not rely on communication and
network wiring connections. Among the possibilities by local adjustment, the following options can
be emphasized: mode block, outputs monitoring, tag visualization and tuning parameters setting.
The interface between the user is described at this manual in the section related to programming
using local adjustment. it shows significantly the resources on this transducer display. All Series 302
field devices from Smar have the same methodology to handle with it. Therefore, since the user has
learned once, he is capable to handle all kind of field devices from Smar.
All functions blocks and transducers defined according Foundation Fieldbus™ have a description of
their features written on binary files, by the device description language. This feature permits that
third parties configurator enabled by device description service technology can interpret these
features and make them accessible to configure. The function blocks and transducers of 302 series
have been defined rigorously according the Foundation Fieldbus™ specifications in order to be
interoperable to other parties.
In order to enable the local adjustment using the magnetic tool, it is necessary to prepare previously
the parameters related with this operation via Syscon (System Configurator). The figure 3.7 shows
all parameters and their respective values, which shall be configured in accordance with the
necessity of being locally adjusted by means of the magnetic tool. All values shown on the display
are default values.
There are seven groups of parameters, which may be pre-configured by the user in order to allow a
possible configuration by means of the local adjustment. As an example, let’s suppose that you
don’t want to show some parameters; in this case, simply write an invalid tag in the parameter,
Block_Tag_Param_X. Doing this, the device will not take the parameter related (indexed) to the tag
as a valid parameter.
Definition of Parameters and Values
Block_Tag_Param
This is tag of the block to which the parameter belongs. Use up to a maximum of 32 characters.
Index_Relative
This is the index related to the parameter to be actuated or viewed (0, 1, 2…). Refer to the Function
Blocks Manual to know the desired indexes, or visualize them on the Syscon by opening the desired
block.
Sub_Index
In case you wish to visualize a certain tag, opt for the index relative equal to zero, and for the sub-
index equal to one (refer to paragraph structure block in the function blocks manual).
Mnemonic
This is the mnemonic for the parameter identification (It accepts a maximum of 16 characters in the
alphanumeric field of the display). Choose the mnemonic, preferably with no more than 5 characters
because, this way, it will not be necessary to rotate it on the display.