Siemens SIMATIC S5 CP 523 Manual page 91

Print Mode
Example: Evaluating the status of the printer
The module is set to start address 128.
If the printer is not ready, output 4.1 is to be set.
STL FB 101
NAME :ERROR2
:L KH 0000
:T PW 128*
:L KH 00F0
:L PY 129
:AW
:L KH 0010
:><F
:BEC
:S Q
:BE
* 5.2
Date and time of day (bytes 1 to 7)
The CP 523 supplies the current clock data in BCD.
The status of the printer is specified in byte 1, bit 4. This information is independent of the current
day of the week, which is specified in byte 1, bits 0 to 3.
Byte Value Range
1 1 to 7
2 01
BCD
3 01
BCD
4 00
BCD
5 00
BCD
01
BCD
81
BCD
6 00
BCD
7 00
BCD
6-36
Transfer nonrelevant data to the CP. The CP then updates the
transfer memory with current data.
Evaluation of "Status of the printer" byte.
Compare status byte with 10
If not equal,
block End
Otherwise, set output 4.1.
Block end.
4.1
Table 6-17. Status of the Printer, Date and Time of Day
Bit 0 to 3
Bit 4=0
Bit 4=1
to 31 Day
BCD
to 12 Month
BCD
to 99 Year
BCD
to 23 Hour 24h clock
BCD
to 12 12h clock a. m. (Bit 7=0)
BCD
to 92 12h clock p. m.(Bit 7=1)
BCD
to 59 Minute
BCD
to 59 Second
BCD
Explanation
.
H
Meaning
: 1=Sunday, 2=Monday, 3=Tuesday,
4=Wednesday, 5=Thursday, 6=Friday,
7=Saturday
: Printer ready
: Printer not ready
CP 523
EWA 4NEB 811 6044-02a