Siemens SIMATIC S5-100U System Manual page 176

STEP 5 Operations
Output of the Current Time
You can use a load operation to put the current time into ACCU 1 and process it further from there
(see Figure 8-4).
Use the "Load in BCD" operation for digital display output.
L T1
Binary time value
indicates bit positions occupied by "0".
Figure 8-4. Output of the Current Time (Example)
1
The current time is the time value in the addressed timer.
8-18
1
Current time in T1
ACCU 1
LD T1
Time Three-digit time value
base in BCD code
EWA 4NEB 812 6120-02b
S5-100U