5
FUNCTIONS
5.2 Master Function
5.2.1 Automatic communication function
5 - 8
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
MODBUS(R) STANDARD
FUNCTIONS
5
FUNCTION
6
PRE-OPERATIONAL
PROCEDURES AND
SETTINGS
7
PARAMETER SETTING
8
UTILITY PACKAGE
(GX Configurator-MB)
(3) Execution sequence in the automatic communications
Automatic communication is executed in order from Automatic communication
parameter 1.
After the final automatic communication parameter is executed, the automatic
communication parameters are executed from automatic communication parameter 1
again.
Example: If Automatic communication parameters 1 to 3 are set
Automatic communications are executed in the order: 12312
POINT
If no automatic communication parameter is set, no automatic communication is
executed.( Section 7.2.1 (1))
For example, if Automatic communication parameter 2 has no setting in the Figure
5.8, automatic communication will be executed in the order: 1313
Figure 5.8 Automatic communication execution sequence
Request interval timer
Response
monitoring timer
(Broadcast)
Request
message
Response
message
Automatic
communication
parameter
1
Request interval timer
Request interval timer
Broadcast delay
Response
message
Request
message
Response
monitoring timer
Automatic
communication
parameter
2
Automatic
communication
parameter
3
Request
message
Request
message
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