Commissioning
5.9 Parameters
Control Units CU240S
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
109
5.9
Parameters
Overview of parameters
The inverter is adapted to a particular application using the corresponding parameters. This
means that each parameter is identified by a parameter number and specific attributes (e.g.
monitoring parameter, write parameter, BICO attribute, group attribute etc.). Within any one
particular inverter system, the parameter number is unique.
Parameters can be accessed using the following operator units:
● BOP
● PC-based commissioning (start-up) tool STARTER.
There are two main types of parameters; those that can be altered and those that are read-
only.
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Figure 5-4
Parameter types
5.9.1
Write parameters
Description
Parameters which can be written into and displayed are indicated by the prefix "P".
These parameters directly influence the behavior of a function. The value of this parameter is
saved in non-volatile memory (EEPROM) as long as the appropriate option was selected
(non-volatile data save). Otherwise, these values are saved in the volatile memory (RAM) of
the processor, which are lost after power failure or power-off/power-on operations.
Examples of the standard notation used throughout our manuals is given below.
Notation examples:
P0970
parameter 970
P0748.1
parameter 748, bit 01
P0819[1]
parameter 819 index 1
P0013[0 ... 19]
parameter 13 with 20 indices (indices 0 to 19)
