Siemens 420 manual Monitoring parameters

Issue 07/04 3 Functions

Monitoring parameters

These can only be read – "r" parameters

These parameters are used to display internal quantities, for example states and actual values. These parameters are indispensable, especially for diagnostics.

Notation:
r0002	monitoring parameter 2
r0052.3	monitoring parameter 52, bit 03
r0947[2]	monitoring parameter 947 index 2
r0964[0...4]	monitoring parameter 964 with 5 indices (indices 0 to 4)

Abbreviated notation

r0964[5] monitoring parameter 964 with 5 indices (indices 0 to 4)

NOTE

A parameter (e.g. P0013[20]) with x consecutive elements (in this case: 20) is defined using an index. x is defined by the numerical index value. When transferred to a parameter this means that an indexed parameter can assume several values. The values are addressed via the parameter number including the index value (e.g. P0013[0], P0013[1], P0013[2], P0013[3], P0013[4], ...). Index parameters, for example, are used for:

Table functions Sub-functions

P0013[0]

P0013[1]

P0013[2]

.

P0013[18] P0013[19]

In addition to the parameter number and parameter text, every setting and monitoring parameter has different attributes which are used to individually define the properties/characteristics of the parameter. The attributes are listed in the following Table (refer to Table 3-1) which are used for MICROMASTER.

MICROMASTER 420	Operating Instructions
6SE6400-5AA00-0BP0	39