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S5-115U Manual
11.3.4 Rules for Setting Parameters in DB1
DB1 consists of the following:
A start block ID
One or more parameter blocks
A parameter block consists of:
A block end symbol: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . END
The following is a list of all the rules you must observe when changing parameters in DB1 or when
completing whole parameter blocks. If you do not observe these rules, the CPU cannot interpret
your entries. The structure of this DB1 depends on whether interprocessor communication flags
must be defined or not!
1. If interprocessor communication flags must be defined:
DB1 begins with the definition of the interprocessor communication flags as described in
Section 12.1.1. The "DB1" start identifier for the other DB1 parameters follows the inter-
processor communication flag end identifier (EEEE
separated by spaces. The "DB1" start identifier must be followed by at least one space.
If no interprocessor communication flags must be defined:
DB1 begins with the "DB1" start identifier. The three characters must not be separated by
spaces. The "DB1" start identifier must be followed by at least one space.
2. The start identifier (including space) is followed by the block identifier of a parameter block.
The parameter blocks can follow any order in DB1. The block identifier indicates a block of
related parameters. The block identifier "TFB" stands for " T imer F unction B lock" (time-con-
trolled execution). The block identifier must be followed immediately by a colon (:). If the
colon is missing, the CPU skips this block and outputs an error message. The block identifier
and its colon must be followed by at least one space.
3. The parameter name comes next
parameter block. Within a block, the first four characters of a parameter name must be
different from each other. After the parameter name, you must add at least one filler.
EWA 4NEB 811 6130-02b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . e. g.: TFB: OB13 100
A block ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . e. g.: TFB:
One or more parameters . . . . . . . . . . . . . . . . . . e. g.: OB13 100
A parameter consists of:
A parameter name . . . . . . . . . . . . . e. g.: OB13
One or more arguments
A block end ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : ; (Semicolon)
.
Parameter names are names for single parameters within a
: DB1
. . . . . . . . e. g.: 100
). The three characters must not be
H
Integral Blocks
11-49
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