Industrial
Electronic Devices
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User Manual
LoRaWAN / S7comm Client
Document code: MN67D39_ENG Revision 1.000 Page 22 of 30
Figure 5b: “S7comm Access
S7comm Write” window
The means of the fields in the window “S7comm Write” are the following:
If the field “
Enable
” is checked, the SNMP request is enabled;
In the field “
PLC Address
” the IP address of the PLC that contains the data to be read is defined;
In the field “
PLC Port
” the port used for S7comm communication is defined;
In the field “
PLC Type
” the family of the PLC is defined;
In the field “
Rack
” the Rack’s ID of the PLC is defined;
In the field “
Slot
” the Slot’s ID is defined;
In the field “
Data Type
” the data format of the variable to write is defined;
In the field “
Data Identifier
” the identifier of the variable to write is defined;
In the field “
DB Number
” the number of the DB of the PLC to write is defined;
In the field “
PLC Area
” the memory area where the data is located inside the PLC is defined;
In the field “
PLC Add
” the starting memory address where the data is located is defined;
In the field “
PLC Bit
” the starting bit of the selected PLC Address is defined;
In the field “
Poll Time
” the frequency of the request is defined (in ms);
By checking the field “
On Change
” the S7comm write request is sent only if LoRaWAN data are changed;
By checking the field “
On CMD
” the S7comm write request is sent when a LoRaWAN message for the selected variable is received;
In the field “
Position
” the starting byte of the internal memory array from which taking the data to write is defined.