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W
F
EIGHING
UNCTIONS AND
Name
Type
Reserve 4
DWORD
MMC Parameter
Log overflow
BYTE
Trace overflow
Memory for trace
Memory segment for
BYTE
trace function
Memory segment for logs
BYTE
Trace function Recording
BYTE
cycle
Table 5-4
Allocation of DR 7
5.6.1
DR 7 - Source for the Weight Simulation
Instead of the actual weight determination, a weight simulation can be activated for
test purposes. The simulated weight value can be defined through the SIMATIC
interface or through the RS232 interface (SIWATOOL FTC). The weight simulation
makes commissioning the scale much easier in certain situations.
5.6.2
DR 7 - Decade for Rounding the Decimal Places for 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 from 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.
SIWAREX FTC
P
ARAMETERS
Address
Default
DBB072
0
0
DBB076
1
1
0
DBB077
50
DBB078
50
DBB079
1
80
5-61
Range of Values / Meaning
Reserve 4
Bit 0:
0: with full memory, the logging procedure is
stopped
1: with full memory, the oldest
entries are overwritten
Bit 1:
0: No overwriting of trace data is possible
1: the oldest trace data is overwritten with full
card
Bit 2:
0: Trace data is stored in RAM
1: Trace data is stored in the MMC
Bit 3 – 7 not used
Up to 100% but the total for trace function and log
may not exceed 100%
Up to 100% but the total for trace function and log
may not exceed 100%
1...n x 10 msec
Reference
5.6.25
5.6.26
5.6.27
5.6.28
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