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Chapter 6 Communication Object Description
The communication object is the medium through which the device communicates with other
devices on the bus, that is, only the communication object can perform bus communication.
The function of each communication object of each function block is described in detail below.
Note: “C” in the property bar of the table below represents the communication function of the
communication
object;
“W” represents the value of the communication object can be rewritten by the bus;
“R” represents the value of the communication object can be read through the bus;
“T” stands for communication object with transmission function;
“U” means that the value of the communication object can be updated.
6.1 “General setting” communication object
Fig.6.1 “General” communication object
NO.
Object Function
Name
Data Type Flag
DPT
1
In operation
General
1bit
C,R,T
1.001 switch
This communication object is used to periodically send a telegram “1” to the bus to indicate that
the device is working properly.
Table 6.1 “General setting ” communication object
