Siemens SIMATIC S5-100U System Manual page 324

The Integral Real-Time Clock
FB13 STL
NAME :READ CLOCK
DES :WDAY I/Q/D/B/T/C:
DES :DAY I/Q/D/B/T/C:
DES :MON I/Q/D/B/T/C:
DES :YEAR I/Q/D/B/T/C:
DES :HOUR I/Q/D/B/T/C:
DES :AMPM I/Q/D/B/T/C:
DES :MIN I/Q/D/B/T/C:
DES :SEC I/Q/D/B/T/C:
DES :MODE I/Q/D/B/T/C:
:C DB 2
:L DR 0
:T =WDAY
:L DL 1
:T =DAY
:L DR 1
:T =MON
:L DL 2
:T =YEAR
:L DR 2
:L KH 007F
:AW
:T =HOUR
:TB D 2.7
:= =AMPM
:L DL 3
:T =MIN
:L DR 3
:T =SEC
:A F 11.1
:= =MODE
:BE
12-24
READING THE CLOCK
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BI
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BY
Q BI/BY/W/D/:BI
WEEKDAY
DAY
MONTH
YEAR
HOUR
ERASE AM/PM BIT
(ONLY RELEVANT IN 12-HOUR MODE)
DISPLAY AM/PM BIT
(ONLY RELEVANT IN 12-HOUR MODE)
MINUTE
SECOND
DISPLAY CLOCK MODE
MODE = 1, IN 12-HOUR MODE
Explanation
EWA 4NEB 812 6120-02b
S5-100U