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Name
Display
Ext. Remote display
definition
Table 5-11
DR 18 Allocation
5.12.1 External remote display definition
A value can be preset using DR 18 and this value can be displayed on the external
display. This way, the external display (Siebert) can be used for displaying any
value that is calculated in SIMATIC.
5.13 DR 20 Set Weight (AWI)
The set value for a weighing procedure that can change often in a process is
passed onto the scale through DR 20. Normally, the set weight is changed when
switching materials.
Procedure:
o
Define the set weight
o
Send DR 20 to the scale
Name
Set weight
Set weight
Table 5-12
DR 20 Allocation
5.14 DR 21 Load set value (AWI)
In loading operation, the overall amount of the material to be loaded is defined. The
scale performs the individual weighing procedure according to the defined set
weight for an individual weighing procedure In loading operation, the set weight is
defined with zero. Procedure:
o
Define the set weight
o
Send DR 20 to the scale
Name
Load set value
Load set value
REAL
Table 5-13
DR 21 Allocation
SIWAREX FTA
Type
Address
Default
REAL
DBD000
0
4
Type
Address
Default
REAL
DBD000
50
Wizzard:
WR
4
Type
Address
Default
DBD000
1000
Wizzard:
WB
4
Range of Values / Explanation
Remote display control with a default value.
Range of Values / Explanation
Set weight for the weighing procedure
*0.5
nmax
Range of Values / Explanation
Total set weight for filling operation
*10
nmax
Weighing Functions
Reference
Reference
Reference
5-91
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