Mitsubishi Electric FX3G SERIES Programming Manual page 575

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2. 32-bit operation (DHTOS and DHTOSP)
The time data (hour, minute, and second) stored in
"second", and stored to
Command
input
FNC164
DHTOS
S hour
S +1 minute
S +2 second
For example, when "35 hours 10 minutes 58 seconds" is specified, the operation is as follows:
S 35
S +1 10
S +2 58
Error
An operation error is caused in the following case; The error flag M8067 turns ON, and the error code is stored in
D8067.
• When the data of
Program example
In the program shown below, the time data read from the built-in PLC real time clock is converted into data in units of
"second", and stored to D100 and D101 when X020 turns ON.
X020
Operation
• Clock data reading operation by TRD (FNC166) instruction
Real time
clock
• Conversion operation into "second" by DHTOS (FNC164) instruction
D13 20
D14 21
D15 23
D +1, D .
S D
D
(0 to 32767)
(0 to 59)
(0 to 59)
D
S , S + 1 or S + 2 is outside the allowable range (error code: K6706)
FNC166
TRD
FNC164
D13 D100
DHTOS
END
D10 2004 Year
D11 1 Month
D12 31 Day
D13 20 Hour
D14 21 Minute
D15 23 Second
D16 6 Day of week
D101,D100
73283
21 Real Time Clock Control – FNC160 to FNC169
21.5 FNC164 – HTOS / Hour to Second Conversion
S , S +1, and S
+1 D
second
+1 D
126658
D10
Clock data
Time data
+2 is converted into data in units of
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