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MELSEC-GOT
4 MONITORING SPECIFICATION
4.3.2 Details of the I/O signals
The function of each I/O signal is described below
(1) GOT complete flag (RX(n+3)0, RX(n+7)0), and GOT request flag
(RY(n+3)0, RY(n+7)0)
By turning on the GOT request flag, each command which uses the GOT internal
device to monitor (excluding the initial setting command, monitor request
command, and always write request command) is executed.
After each command processing is complete, the GOT complete flag turns on.
When the GOT request flag is turned off, the GOT complete flag turns off as well.
GOT request flag
Command data storage
To instruction
Command processing
GOT compete flag
Command
ON
ON
(2) Initial data setting complete flag (RX(n+3)9,RX(n+7)9), and initial
data setting request flag (RY(n+3),RY(n+7)9)
By turning on the initial data setting request flag, the initial setting command to
monitor using the GOT internal device, is executed.
When the initial setting command processing is complete, the initial data setting
complete flag turns on.
When the initial data setting request flag is turned off, the initial data setting
complete flag turns off as well.
Initial data setting request flag
Command data storage
To instruction
Command processing
Initial data settin
g
com
p
ete fla
g
Initial setting command
ON
ON
POINT
When performing dedicated command monitor, the initial data setting request flag
must be turned ON to execute the initial setting command.
Refer to Section 4.6.1 for the initial setting command.