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Scale parameters and functions
8.26 DR 48 date and time 2 (for Modbus)
8.26
DR 48 date and time 2 (for Modbus)
The SIWAREX module has its own hardware clock. The current date and the time can be set
and read using data record DR 48. The clock is buffered with a capacitor and can continue
operating for up to approximately 70 hours without supply voltage. If you are not using the
Modbus protocol, data record DR 8 is used for the date and time.
Procedure
● Set the date and time
● Transfer the data record to the SIWAREX module
Table 8- 27
Assignment of data record 48
Variable
Note
Data record
Contains no. of the data record
number
Length
Data record length information
Application
Information on which application
the data record belongs to
Version iden-
Information on the current data
tifier
record version
Year
Year
Month
Month
Day
Day in month
Hour
Hour
Minute
Minute
Second
Second
Millisecond
Millisecond
Day of the
Day of the week
week
130
Type
Len
Rw
gth
(byt
es)
USHORT
2
r
USHORT
2
r
USHORT
2
r
USHORT
2
r
USHORT
2
rw
USHORT
2
rw
USHORT
2
rw
USHORT
2
rw
USHORT
2
rw
USHORT
2
rw
USHORT
2
rw
USHORT
2
rw
Default
Min.
Max.
48
-
-
24
-
-
101
-
-
1
1
65635
2012
2012
2010
1
1
12
1
1
31
0
0
23
0
0
59
0
0
59
0
0
999
1
1
7
Manual, 07/2014, A5E31238908A-02
Modbus
registers
6960
6961
6962
6963
6964
6965
6966
6967
6968
6969
6970
6971
SIWAREX WP231
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