Technical data

Data format of the time in a DB of the PLC (S5 155 U format)
Possible values (hexadecimal):
1/100 seconds:
1/10 seconds
units seconds
tens seconds
units minutes
tens minutes
units hours
0...9
0...9
0...9
0...5
0...9
0...5
0...9
tens hours 0...1 / 0...2
bit 15 = 1: 24-hour format
bit 14 = 0: AM
bit 15 = 1: PM
Weekday
units days
tens days
units months
tens months
units years
tens years
Mo...Su = 0...6
0...9
0...3
0...9
0...1
0...9
0...9
Correction value:
The correction value corresponds formally to the correction value for
representing the local time (refer to Fig. 13.1) from the SINEC clock frames
Bit 0...5 deviation in 1/2 hour 0..24
Bit 7 sign 0 = plus (+) / 1 = minus (-)
15 12 11 8 7 4 3 0
DW n: tens sec units sec 1/10 sec 1/100 sec
DW n+1: tens hr units hr tens min units min
DW n+2: tens day units day weekday 0
DW n+3: tens year units year tens month units month
DW n+4: correction value
Clock Services C8976060/02
Volume 1 13 - 10