CIRCUTOR PowerStudio Series - Manual (Page 174)

PowerStudio PowerStudio
174 User Manual
Where
• Identifier: Allows each of the numeric variables to be used in expressions and conditions, to
be identified, see 'Editor Manual'.
• Name: Name of the numeric variable used to identify it better.
• Description: Short description of the variable.
• Address: Modbus map address of the device where the variable can be found.
• Records: Number of registers which occupy the variable on the Modbus map.
• Type: Selects the type of variable; i.e., read, write or both. If the variable is write or read/write
the value can be forced on the device.
• Read function code: Selects the read function. You can select the 0x03 or 0x04 function.
• Format: Indicates the format in which the device returns the variable value. The value can be
expressed in the IEE754 format, with a symbol, and the number of decimal points may be
indicated.
• Units: Units in which the value is expressed. You can select one of the predefined units or
define a new user unit.
• Grouping criteria: Enables the grouping criteria of the values of the variable to be selected in
graphs, tables, or reports, and the value to be saved in the values register. For example, if in
the period between saving information we have 3 values (10, 12 and 7) these will be saved in
the log.
 Maximum value. The maximum value of the 3 (12) will be saved
 Minimum value: The minimum value of the 3 (7) will be saved.
 Average value: The average value of the 3((10 + 12 + 7) / 3 = 9.66) will be
saved.
 Last value: The last value will be saved (7).
 Sum of the values: The sum of 3 values (10 + 12 +7 = 29).