Siemens SIMATIC HMI OP3 Equipment Manual page 73

Network: 2
DAT OPN
Network: 3
CLK: OPN #DBTDOP
Network: 4
SET: CALL "SET_CLK"
Network: 5
Operator Panel OP3
Edition 11/99
New date
#DBTDOP
CALL "READ_CLK"
RET_VAL :=#ERROR_SFC
CDT :=#DAT_TIME
L DBB 21
T LB 7
L DBB 22
T LB 2
L DBB 23
T LB 1
L DBB 24
T LB 0
SPA SET
New time
CALL "READ_CLK"
RET_VAL :=#ERROR_SFC
CDT :=#DAT_TIME
L DBB 15
T LB 3
L DBB 16
T LB 4
L DBB 17
T LB 5
SPA SET
Set PLC clock with SFC 0
PDT :=DAT_TIME
RET_VAL :=#ERROR_SFC
Reset all
OPN #DBTDOP
L 0
T DBW 15
T DBW 17
T DBW 21
T DBW 23
SET
R #NEW_DATE
R #NEW_TIME
Communication
// read current time
// SFC1 –– Read System Clock
// Load weekday from DBTDOP
// in DAT_TIME
// Load day from DBTDOP
// in DAT_TIME
// Load month from DBTDOP
// in DAT_TIME
// Load year from DBTDOP
// in DAT_TIME
// Read current time
// SFC1 –– Read System Clock
// Load hours from DBTDOP
// in DAT_TIME
// Load minutes from DBTDOP
// in DAT_TIME
// Load seconds from DBTDOP
// in DAT_TIME
// With SFC 0 read time from DAT_TIME
// SFC0 –– Set System Clock
// Save in PLC clock
// Save any errors in ERROR_SFC
// Reset all used data
// areas
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