Definition of element paths and PI AF template named for each element

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Last UpdatedFeb 23, 2023
2 minute read

A Microsoft Excel representation of Table 1 in the measurement configuration CSV file

For the row in the picture which has no Element Path, the row in the configuration file would be:

,root_t,,

Constructing the table

The header row of the table must contain two columns with the explicit text as follows in order to be valid:

[Element Path]

[Template*]

[Element Path]

The path to each element.
[Template*]

The name of the template for the leaf element of the path.

Note: The "*" sign after the header content means this column is mandatory and cannot be left empty.

For example, a row like:

Parent\Child

Child T

The element path indicates a Parent element under the root element, and there is a Child element under the Parent element. The template for the Child element is named Child T.

To create the table correctly, apply the following rules:

Column name	Rules
[Element Path]	Optional; an empty entry refers to root element. Use the "full path" starting from the top-most element below the root element -without a leading backslash (\). Elements in the path must be delimited using a backslash (\) character. Duplicate element paths are not allowed. Each element in each path must have a template name defined. All names must be valid for PI Asset Framework. The first element in any element path cannot start with the reserved element names cnc_rdalmmsg or cnc_rdopmsg3.
[Template*]	Template name for the root element must be defined by specifying empty value in [Element Path] and <Root Element Template Name> in [Template] See the second row in the section above titled A Microsoft Excel representation of Table 1 in the measurement configuration CSV file. Template name cannot be any of the reserved template names: cnc_rdalmmsg cnc_rdopmsg3 cnc_rdalmmsg_cnc_rdopmsg3 cnc_rdsvmeter_cnc_rdspmeter cnc_rdsvmeter cnc_rdspmeter cnc_rdspmeter_splaod_spspeed cnc_rdaxisdata cnc_rdaxisdata_axis cnc_rdpm_item cnc_rdpm_item_data cnc_rdspeed cnc_rdspeed_feedRate_spindleSpeed All names must be valid for PI Asset Framework.

Column name

Rules

[Element Path]

Optional; an empty entry refers to root element.
Use the "full path" starting from the top-most element below the root element -without a leading backslash (\).
Elements in the path must be delimited using a backslash (\) character.
Duplicate element paths are not allowed.
Each element in each path must have a template name defined.
All names must be valid for PI Asset Framework.
The first element in any element path cannot start with the reserved element names cnc_rdalmmsg or cnc_rdopmsg3.

[Template*]

Template name for the root element must be defined by specifying empty value in [Element Path] and <Root Element Template Name> in [Template] See the second row in the section above titled A Microsoft Excel representation of Table 1 in the measurement configuration CSV file.
Template name cannot be any of the reserved template names:
- cnc_rdalmmsg
- cnc_rdopmsg3
- cnc_rdalmmsg_cnc_rdopmsg3
- cnc_rdsvmeter_cnc_rdspmeter
- cnc_rdsvmeter
- cnc_rdspmeter
- cnc_rdspmeter_splaod_spspeed
- cnc_rdaxisdata
- cnc_rdaxisdata_axis
- cnc_rdpm_item
- cnc_rdpm_item_data
- cnc_rdspeed
- cnc_rdspeed_feedRate_spindleSpeed
All names must be valid for PI Asset Framework.

Text example of Table 1 in a measurement configuration file

# MyCompany/Installation,,,
#Date or version,,,
# Table 1: Definition of element paths and PI AF templates for each element,,,
[Element Path],[Template*],,
,root_t,,
cnc,cnc_root,,
pmc,pmc_root,,
pmc\pmc_rdmcrng,message_t,,
cnc\cnc\alarm,alm_t,,
cnc\cnc_exeprgname,exe_prg_t,,
cnc\cnc_rdmacro,pos_t,,
cnc\cnc_rdprgnum,prg_num_t,,
cnc\cnc_statinfo,stat_t,,
cnc\cnc_sysinfo,info_t,,
cnc_modal,cnc_root,,
cnc\cnc_acts,acts_t,,
cnc\cnc_actf,actf_t,,
cnc\cnc_rdseqnum,seqnum_t,,
cnc\cnc_absolute,absolute_t,,
cnc\cnc_machine,machine_t,,
cnc\cnc_relative,relative_t,,
cnc\cnc_distance,distance_t,,
cnc\cnc_rdsvmeter,svmeter_t,,
cnc\cnc_rdspmeter,spmeter_t,,
cnc\cnc_rdaxisdata,axisdata_t,,

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