6
FUNCTIONS
6.5 Clock Function
6
- 18
1
Overview
2
Performance
Specification
3
Sequence Program
Configuration and
Execution Conditions
4
I/O Nunber Assignment
5
Memories and Files
Handled by CPU Module
6
Functions
7
Communication with
Intelligent Function
Module
8
Parameters
(5) Precautions
(a) Initial clock data setting
The clock data is not factory-set.
The clock data is used by the CPU module system and intelligent function
modules for error history, etc.
When using the CPU module for the first time, be sure to set the precise time.
(b) Clock data correction
If part of the clock data is corrected, all data must be written to the CPU module
again.
(c) Range of new clock data
Write new clock data within the range given in (3) of this section.
If impossible time data is written to the CPU module, normal clock operation
cannot be performed.
However, if the data is impossible as time, an error will not occur when it is within
the range given in (3) of this section.
Table6.5 Example of data written to clock data
Write to CPU module CPU module operation status
February 30 Executed Error is not detected
32 of month
13
Not executed
When DATEWR instruction is executed:
OPERATION ERROR (Error code 4100)
When SM210 is on: SM211 is on
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