6
FUNCTIONS
6.12 Writing in Program during CPU Module RUN
6.12.3 Precautions for online change
6 - 89
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 using
built-in Ethernet ports of
CPU module
8
Communication with
Intelligent Function
Module
Figure 6.59 shows the trailing edge instruction operation based on the "Instruction
operational settings for online change" setting in GX Developer.
Figure 6.59 Operation comparison of trailing edge instruction
END
1 scan
END END00 0
OFF OFF
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON OFF
X0 status
X0
M0
X0
M0
[ PLF M0 ]
X0
A
A
Completion of online
change
The trailing edge instruction is not
executed even the execution condition is
OFF OFF
Operation when "Trailing edge instructions are not executed"
is unchecked.
(a)
END
1 scan
END END00 0
OFF OFF
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON OFF
X0 status
X0
M0
X0
M0
[ PLF M0 ]
X0
A
A
(b)
Completion of online
change
The trailing edge instruction is not
executed even the execution condition is
OFF OFF
The trailing edge instruction is not
executed when the timing of online
change completion
and the timing of ON OFF
(execution condition)meet
Operation when "Trailing edge instructions are not executed"
is checked.