Clock Functionality; System Register For Clock Control - Hitachi S10VE User Manual

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)
SW0280
SW0290
SW02A0
SW02B0
SW02C0
SW02D0
SW02E0
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.
15
2
Reserved
Reserved
Reserved
Reserved
Reserved
Year (Western calendar)
Reserved
8 7
2 2
Second
Minute
Hour
Day
Month
Day of the week
11-13
11. Operation
0
2 (LSB)