Mitsubishi Q00JCPU User Manual page 260

6
FUNCTIONS
(6) Accuracy of Clock Data
(7) Comparison of Clock Data
6
6.5 Clock Function
- 19
The accuracy of the clock function differs with the ambient temperature, as shown
below:
Ambient Temperature (°C)
0
+ 25
+ 55
Table6.7 Accuracy of High Performance model QCPU and Process CPU
Ambient Temperature (°C)
0
+ 25
+ 55
Ambient Temperature (°C)
0
+ 25
+ 55
To compare High Performance model QCPU's clock data with a sequence program,
use the DATERD instruction to read the clock data.
Since the clock data read instruction (DATERD) reads the year data in four digits, the
data can be compared by the comparison instruction without making any
modifications.
Table6.6 Accuracy of Basic model QCPU
Accuracy (Day difference, S)
- 3.2 to + 5.27(TYP.+ 1.98)
- 2.57 to + 5.27(TYP.+ 2.22)
- 11.68 to + 3.65(TYP.- 2.64)
Accuracy (Day difference, S)
- 3.18 to + 5.25(TYP.+ 2.12)
- 3.93 to + 5.25(TYP.+ 1.9)
- 14.69 to + 3.53(TYP.- 3.67)
Table6.8 Accuracy of Redundant CPU
Accuracy (Day difference, S)
- 3.2 to + 5.27(TYP.+ 2.07)
2.77 to + 5.27(TYP.+ 2.22)
- 12.14 to + 3.65(TYP.- 2.89)