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Weighing Functions
Name
Type
Trace overflow
Memory for trace
Memory segment for
BYTE
trace function
Memory segment for logs
BYTE
Trace function Recording
BYTE
cycle
Table 5-3
DR 7 Allocation
5.6.1
DR 7 - Source for Weight Simulation
Instead of the actual weight determination, a weight simulation can be activated for
test purposes. The simulated weight values can be defined over the SIMATIC
interface or the RS232 interface (SIWATOOL FTA). The weight simulation makes
commissioning a scale much easier in certain situations.
5.6.2
DR 7 - Decade used for rounding the decimal places of the process values
This parameter can be used to define to how many decimal places that the
(weight) process values should be rounded. This entry decouples the display of
weight values which trigger the restrictions of the calibration requirements and the
values that are used in the control software.
5.6.3
DR 7 - Force in Service Operation
After activating this function, the digital outputs can be forced independent of their
parameter definitions. Force control is only possible in service operation and only
with the SIMATIC interface.
!
Warning
Before using this function, you must ensure that the system will not achieve any
hazardous state that could be caused by forced control of digital outputs of the
SIWAREX FTA.
5-78
Address
Default
Range of Values / Explanation
overwritten
Bit 1 :
0: No overwriting of trace data is possible
1: The oldest trace data is overwritten when the
card is full
Bit 2 :
0: Trace data is stored in RAM
1: Trace data is stored in the MMC
Bit 3 - 7 not used
DBB077
50
Up to 100% but the total for trace function and
log may not exceed 100%
DBB078
50
Up to 100% but the total for trace function and
log may not exceed 100%
DBB079
1
1...n x 10 msec
80
Reference
5.6.27
5.6.28
5.6.29
SIWAREX FTA
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