Dr 48 Date And Time 2 - Siemens SIWAREX WT241 Manual

Communication

11.29 DR 48 Date and time 2

11.29 DR 48 Date and time 2
The SIWAREX module has its own hardware clock. You can set and read the current date
and time using data record DR 48. The clock is buffered with a capacitor and continues to
operate for up to approximately 70 hours without a 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 11- 29 Assignment of data record 48
Variable Note
Data record Contains no. of data record
number
Length Data record length information
Application Information about which application the data
record belongs to
Version identifier Information about current data record ver-
sion
Year Year
Month Month
Day Day in month
Hour Hour
Minute Minute
Second Second
Millisecond Millisecond
Day of the week Day of the week
170
Type L Rw De-
fault
USHO 2 r 48
RT
USHO 2 r 24
RT
USHO 2 r 104
RT
USHO 2 r 1
RT
USHO 2 rw 2012
RT
USHO 2 rw 1
RT
USHO 2 rw 1
RT
USHO 2 rw 0
RT
USHO 2 rw 0
RT
USHO 2 rw 0
RT
USHO 2 rw 0
RT
USHO 2 rw 1
RT
Min. Max. Register
- - 6960
- - 6961
- - 6962
1 65635 6963
2012 2010 6964
1 12 6965
1 31 6966
0 23 6967
0 59 6968
0 59 6969
0 999 6970
1 7 6971
SIWAREX WT241
Manual, 05/2015, A5E36046748A