Hitachi S10VE, Руководство пользователя

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11. Operation
11-13
11.6 Clock functionality
This section describes the clock functionality and how to specify the relevant settings. You can set the clock by
using tools and ladder programs.
The following describes how to set the clock by using ladder programs. For details about setting the clock by
using tools, see Chapter 8. Tools .
11.6.1 System register for clock control
This is a register used for real-time control with ladder programs. It consists of a time register and a time
control register.
(1) Time register
This register stores time information consisting of the year, month, day, hour, minute, and second. Set
the time in this area when you want to adjust the time. The data is in binary (hexadecimal) format.
(MSB) 2
15
2
8
2
7
2
0
(LSB)
SW0280 Reserved Second
SW0290 Reserved Minute
SW02A0 Reserved Hour
SW02B0 Reserved Day
SW02C0 Reserved Month
SW02D0 Year (Western calendar)
SW02E0 Reserved Day of the week
Notes on setting the clock
- Enter a numerical value for the day of the week.
1: Sunday, 2: Monday, 3: Tuesday, 4: Wednesday, 5: Thursday, 6: Friday, 7: Saturday
- If a non-existent time is entered (such as 0 or 13 for the month, 0 or 35 for the day, 25 for the hour, 60
for the minute, or 60 for the second), the value is ignored and not reflected.
- Enter the hour in 24-hour format.