Siemens SIMATIC S7 System Manual page 236
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101BExtended instructions
8.1 Date and time-of-day
Table 8- 10
Data types for the parameters
Parameter and type
IN
IN
RET_VAL
OUT
OUT
OUT
● The local time is calculated by using the time zone and daylight saving time offsets that
● Time zone configuration is an offset to UTC or GMT time.
● Daylight saving time configuration specifies the month, week, day, and hour when
● Standard time configuration also specifies the month, week, day, and hour when standard
● The time zone offset is always applied to the system time value. The daylight saving time
Note
Daylight saving and standard start time configuration
The "Time of day" properties for "Start for daylight saving time" of the CPU device
configuration must be your local time.
Condition codes: ENO = 1 means no error occurred. ENO = 0 means an execution error
occurred, and a condition code is provided at the RET_VAL output.
Table 8- 11
Condition codes
RET_VAL (W#16#....)
0000
0001
8080
8081
8082
8083
8084
8085
8086
8087
80B0
236
Data type
DTL
Int
DTL
you set in the device configuration general tab "Time of day" parameters.
daylight saving time begins.
time begins.
offset is only applied when daylight saving time is in effect.
Description
The current local time is in standard time.
Daylight saving time has been configured, and the current local time is in daylight saving
time.
Local time not available
Illegal year value
Illegal month value
Illegal day value
Illegal hour value
Illegal minute value
Illegal second value
Illegal nanosecond value
The real-time clock has failed.
Description
Time of day to set in the CPU system clock
Execution condition code
RD_SYS_T: Current CPU system time
RD_LOC_T: Current local time. including any adjustment for
daylight saving time, if configured
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
- Quick Links:
- Introducing the S7-1200 Plc
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